Instruction/ maintenance manual of the product 7500 series AT&T
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AT&T 555-025-201 DEFINITY ® Communications System Network and Data Connectivity.
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CONTENTS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________.
iv CONTENTS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
CONTENTS v _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
vi CONTENTS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
CONTENTS vii _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Parallel vs.
viii CONTENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
CONTENTS ix _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ________.
x CONTENTS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
CONTENTS xi _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Figure 6-3.
xii CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________.
CONTENTS xiii _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Figure B-11.
xiv CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________.
CONTENTS xv _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 8-8.
xvi CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________.
ABOUT THIS DOCUMENT _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
xviii ABOUT THIS DOCUMENT _ ___________________________________________________________________________________________________________________________ _ ______________________________________________.
ABOUT THIS DOCUMENT xix _ ______________________________________________________________________________________ _ _____________________________________________________________________________________.
xx ABOUT THIS DOCUMENT _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
1. INTRODUCTION TO CONNECTIVITY _ ______________________________________________________________________________________ _ _____________________________________________________________________________.
1-2 INTRODUCTION TO CONNECTIVITY _ ___________________________________________________________________________________________________________________________ _ _______________________________________.
TRANSMISSION TYPES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _.
1-4 TRANSMISSION TYPES _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
TRANSMISSION TYPES 1-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________.
1-6 TRANSMISSION TYPES _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
TRANSMISSION STATES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
1-8 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ ________________________________________________.
TRANSMISSION STATES 1-9 _ ______________________________________________________________________________________ _ _____________________________________________________________________________________.
1-10 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
TRANSMISSION STATES 1-11 _ ______________________________________________________________________________________ _ ____________________________________________________________________________________.
1-12 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
TRANSMISSION STATES 1-13 _ ______________________________________________________________________________________ _ ____________________________________________________________________________________.
1-14 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
TRANSMISSION STATES 1-15 _ ______________________________________________________________________________________ _ ____________________________________________________________________________________.
1-16 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ _______________________________________________.
MULTIPLEXED COMMUNICATION _ ______________________________________________________________________________________ _ ___________________________________________________________________________________.
1-18 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-20 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-22 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-24 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-26 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Facilities using RBS carry digital data at 56 kbps.
1-28 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-29 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-30 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-31 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-32 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
MULTIPLEXED COMMUNICATION 1-33 _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
1-34 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ _________________________________________.
TRUNKING _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________.
1-36 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-37 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-38 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-39 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Access can also be switched or nonswitched.
1-40 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-41 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-42 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-43 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-10.
1-44 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-45 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-11.
1-46 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-47 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-48 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-49 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-13.
1-50 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
TRUNKING 1-51 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
1-52 TRUNKING _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
2. COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ______________________________________________________________________________________ _ __________________________________________________________.
2-2 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-3 _ ______________________________________________________________________________________ _ _________________________________________________________.
2-4 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ network calls.
2-6 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-7 _ ______________________________________________________________________________________ _ _________________________________________________________.
2-8 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ____________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-9 _ ______________________________________________________________________________________ _ _________________________________________________________.
2-10 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-11 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-12 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-13 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-14 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-15 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-16 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-17 _ ______________________________________________________________________________________ _ ________________________________________________________.
2-18 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 2-3.
2-20 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________.
3. TANDEM TIE TRUNK NETWORKS _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
3-2 TANDEM TIE TRUNK NETWORKS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
4. MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ______________________________________________________________________________________ _ _______________________.
4-2 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-3 _ ______________________________________________________________________________________ _ ______________________.
4-4 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-5 _ ______________________________________________________________________________________ _ ______________________.
4-6 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-7 _ ______________________________________________________________________________________ _ ______________________.
4-8 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ _______________________________________________________________________________________________________________.
MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-9 _ ______________________________________________________________________________________ _ ______________________.
4-10 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ______________________________________________________________________________________________________________.
5. ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ______________________________________________________________________________________ _ _________________________________________.
5-2 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-3 _ ______________________________________________________________________________________ _ ________________________________________.
5-4 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-5 _ ______________________________________________________________________________________ _ ________________________________________.
5-6 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-7 _ ______________________________________________________________________________________ _ ________________________________________.
5-8 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-9 _ ______________________________________________________________________________________ _ ________________________________________.
5-10 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ __.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-11 _ ______________________________________________________________________________________ _ _______________________________________.
5-12 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ __.
ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-13 _ ______________________________________________________________________________________ _ _______________________________________.
5-14 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ __.
6. DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ______________________________________________________________________________________ _ __________________________________________________________________.
6-2 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-3 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-4 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-5 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-6 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-7 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-8 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ____________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-9 _ ______________________________________________________________________________________ _ _________________________________________________________________.
6-10 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-11 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-12 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-13 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-14 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 6-3.
6-16 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-17 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-18 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-19 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-20 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-21 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-22 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-23 _ ______________________________________________________________________________________ _ ________________________________________________________________.
6-24 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________.
7. DATA CONNECTIVITY — AN OVERVIEW _ ______________________________________________________________________________________ _ ________________________________________________________________________.
7-2 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-3 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-4 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-5 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-6 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-7 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-8 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ __________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-9 _ ______________________________________________________________________________________ _ _______________________________________________________________________.
7-10 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA CONNECTIVITY — AN OVERVIEW 7-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
7-12 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ _________________________________.
8. DATA COMMUNICATIONS CAPABILITIES _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-2 DATA COMMUNICATIONS CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
DTE CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____.
8-4 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________.
DTE CONNECTIONS 8-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
8-6 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________.
DTE CONNECTIONS 8-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
8-8 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________.
DTE CONNECTIONS 8-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ TABLE 8-1.
8-10 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
DTE CONNECTIONS 8-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _.
8-12 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LOCAL AREA NETWORK CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
8-14 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
LOCAL AREA NETWORK CONNECTIONS 8-15 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-16 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
LOCAL AREA NETWORK CONNECTIONS 8-17 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-18 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
LOCAL AREA NETWORK CONNECTIONS 8-19 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-20 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ______________________________________________________________________________________ _ _________________________________________________________________.
8-22 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-23 _ ______________________________________________________________________________________ _ ____________________________________________________________.
8-24 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-25 _ ______________________________________________________________________________________ _ ____________________________________________________________.
8-26 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 8-7.
8-28 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-29 _ ______________________________________________________________________________________ _ ____________________________________________________________.
8-30 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ _______________________.
TELEMARKETING HOST CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________.
8-32 TELEMARKETING HOST CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TELEMARKETING HOST CONNECTIONS 8-33 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
8-34 TELEMARKETING HOST CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
DATA NETWORK ADMINISTRATION _ ______________________________________________________________________________________ _ _________________________________________________________________________________.
8-36 DATA NETWORK ADMINISTRATION _ ___________________________________________________________________________________________________________________________ _ _______________________________________.
9. DATA COMMUNICATIONS CONFIGURATIONS _ ______________________________________________________________________________________ _ _______________________________________________________________________.
9-2 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA COMMUNICATIONS CONFIGURATIONS 9-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
9-4 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA COMMUNICATIONS CONFIGURATIONS 9-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
9-6 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
DATA COMMUNICATIONS CONFIGURATIONS 9-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________.
9-8 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ _________________________________.
A. RELATED DOCUMENTS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _.
A-2 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-4 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-6 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-8 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ __________________________________________________.
RELATED DOCUMENTS A-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
A-10 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ _________________________________________________.
B. SYNCHRONIZATION OF DIGITAL FACILITIES _ ______________________________________________________________________________________ _ ____________________________________________________________________.
B-2 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-3 _ ______________________________________________________________________________________ _ ___________________________________________________________________.
B-4 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ synchronized together.
B-6 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-7 _ ______________________________________________________________________________________ _ ___________________________________________________________________.
B-8 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ______________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-9 _ ______________________________________________________________________________________ _ ___________________________________________________________________.
B-10 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-11 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-12 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-13 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-14 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-15 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-16 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 2.
B-18 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-19 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-20 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-21 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-22 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-23 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-24 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ B A .
B-26 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ .
B-28 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-29 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-30 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
SYNCHRONIZATION OF DIGITAL FACILITIES B-31 _ ______________________________________________________________________________________ _ __________________________________________________________________.
B-32 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ _____________________________.
C. TRUNKING TERMS AND CAPABILITIES _ ______________________________________________________________________________________ _ __________________________________________________________________________.
C-2 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-3 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-4 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-5 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-6 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-7 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-8 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ____________________________________.
TRUNKING TERMS AND CAPABILITIES C-9 _ ______________________________________________________________________________________ _ _________________________________________________________________________.
C-10 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-11 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-12 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-13 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-14 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-15 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-16 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-17 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-18 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-19 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-20 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-21 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-22 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-23 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-24 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-25 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-26 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-27 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-28 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-29 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-30 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
TRUNKING TERMS AND CAPABILITIES C-31 _ ______________________________________________________________________________________ _ ________________________________________________________________________.
C-32 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________.
D. COMMUNICATIONS PROTOCOLS _ ______________________________________________________________________________________ _ _________________________________________________________________________________.
D-2 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-3 _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
D-4 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-5 _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
D-6 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table D-2.
D-8 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________.
COMMUNICATIONS PROTOCOLS D-9 _ ______________________________________________________________________________________ _ ________________________________________________________________________________.
D-10 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • The Bell standard for X.
D-12 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ data frames are multiplexed into a DCP and DS1 frame.
D-14 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-15 _ ______________________________________________________________________________________ _ _______________________________________________________________________________.
D-16 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-17 _ ______________________________________________________________________________________ _ _______________________________________________________________________________.
D-18 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
COMMUNICATIONS PROTOCOLS D-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Physical Layer.
D-20 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ __________________________________________.
E. LEAD DEFINITIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ .
E-2 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LEAD DEFINITIONS E-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-2.
E-4 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LEAD DEFINITIONS E-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-4.
E-6 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
LEAD DEFINITIONS E-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-6.
E-8 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________.
F. NETWORKING FEATURES——AVAILABILITY MATRIX _ ______________________________________________________________________________________ _ _____________________________________________________________.
F-2 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ _______________________.
NETWORKING FEATURES——AVAILABILITY MATRIX F-3 _ ______________________________________________________________________________________ _ ____________________________________________________________.
F-4 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ _______________________.
NETWORKING FEATURES——AVAILABILITY MATRIX F-5 _ ______________________________________________________________________________________ _ ____________________________________________________________.
F-6 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ _______________________.
ABBREVIATIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
AB-2 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________.
ABBREVIATIONS AB-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _.
AB-4 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________.
ABBREVIATIONS AB-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _.
AB-6 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________.
GLOSSARY _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________.
GL-2 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
GL-4 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ BRI See basic rate interface .
GL-6 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______.
GL-8 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________.
GLOSSARY GL-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ DDC See Direct Department Calling .
GL-10 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-12 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-14 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-16 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ MPDM See modular processor data module .
GL-18 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-20 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-22 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
GLOSSARY GL-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _____.
GL-24 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________.
INDEX _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________.
IN-2 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-4 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-6 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-8 INDEX _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________.
INDEX IN-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ _________.
IN-10 INDEX _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
INDEX IN-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ________.
IN-12 INDEX _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________.
An important point after buying a device AT&T 7500 series (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought AT&T 7500 series yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data AT&T 7500 series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, AT&T 7500 series you will learn all the available features of the product, as well as information on its operation. The information that you get AT&T 7500 series will certainly help you make a decision on the purchase.
If you already are a holder of AT&T 7500 series, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime AT&T 7500 series.
However, one of the most important roles played by the user manual is to help in solving problems with AT&T 7500 series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device AT&T 7500 series along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
