Instruction/ maintenance manual of the product CSMIM-T1 Cabletron Systems
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CSMIM-T1 SN 1 2 3 4 5 6 7 8 CD TX RX 16 15 14 13 12 11 10 9 MODEM PORT ST A TUS 24 23 22 21 20 19 18 17 1-8 17-24 9-16 MODEM CONFIG ST A TUS TEST LOS SYNC RED BLU YEL NETWORK ST A TUS/ ALARMS ON LINE .
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iii NO TICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes ha ve been made.
iv CSMIM-T1 Hardware Installation Guide FCC NO TICE This device complies with P art 15 of the FCC rules. Operation is subject to the following two conditions: (1) this de vice may not cause harmful interference, and (2) this device must accept any interference recei ved, including interference that may cause undesired operation.
CSMIM-T1 Hardware Installation Guide v Notice to Users of T1 Service The following instructions are pro vided to ensure compliance with the Federal Communications Commission (FCC) Rules, Part 68. 1.) All direct connections to T1 lines must be made using standard plugs and jacks.
vi CSMIM-T1 Hardware Installation Guide Equipment Attachment Limitations NOTICE: The Indusrty Canada label identif ies certif ied equipment. This certif ication means that the equipment meets certain telecommunications network protecti ve operational and safety requirements.
CSMIM-T1 Hardware Installation Guide vii EXCLUSION OF W ARRANTY AND DISCLAIMER OF LIABILITY 1. EXCLUSION OF W ARRANTY . Except as may be specifically provided by Cabletron in writing, Cabletron makes no warranty , expressed or implied, concerning the Program (including Its documentation and media).
viii CSMIM-T1 Hardware Installation Guide.
CSMIM-T1 Hard ware Installation Guide ix T ABLE OF CONTENTS CHAPTER 1 INTRODUCTION 1.1 General ........................................................................................ 1-1 1.2 Organization of This Document .............................
T able of Contents x CSMIM-T1 Hard ware Installation Guide 2.8.1 Invoking the Console Monitor ........................................ 2-15 2.8.2 Self-Booting the CSMIM-T1 .......................................... 2-15 2.8.3 Reloading EFS Key Value .
T able of Contents CSMIM-T1 Hard ware Installation Guide xi 5.3.1 Boot Error Report .......................................................... 5-10 5.3.2 Correcting CSMIM-T1 Parameters ............................... 5-13 5.3.2.1 Load Server Host Not Responding .
T able of Contents xii CSMIM-T1 Hard ware Installation Guide APPENDIX A PORT PIN/SIGNAL ALLOCA TIONS A.1 General ....................................................................................... A-1 A.2 Console Port .............................
CSMIM-T1 Hard ware Installation Guide 1-1 CHAPTER 1 INTR ODUCTION 1.1 GENERAL W elcome to the Cabletron Systems’ CSMIM-T1 Hardware Installation Guide .
Chapter 1: INTRODUCTION 1-2 CSMIM-T1 Har dware Installation Guide • Chapter 5, T roubleshooting Procedures, provides T roubleshooting and diagnostic information. • Chapter 6, Modem Guide, describes modem features and setup. • Chapter 7, A T Commands and Registers, provides a listing of modem commands and parameters.
Getting Help CSMIM-T1 Hard ware Installation Guide 1-3 1.4 GETTING HELP If you need additional support related to this de vice, or if you hav e any questions, comments, or suggestions concerning this .
Chapter 1: INTRODUCTION 1-4 CSMIM-T1 Har dware Installation Guide 1.5 CSMIM-T1 OVERVIEW The CSMIM-T1 is a dual-slot, Annex Software compatible system designed to reside in the MMA C series of hubs. The module takes the existing CSMIM2 core and adds enhanced processing po wer in the form of dual 486SXLC2-40 clock doubled processors.
CSMIM-T1 Front P anel CSMIM-T1 Hard ware Installation Guide 1-5 1.5.1 Software Information The CSMIM-T1 is shipped to our customers with software that provides network access to the following networks.
Chapter 1: INTRODUCTION 1-6 CSMIM-T1 Har dware Installation Guide Figure 1-1 CSMIM-T1 Fr ont Panel 1.6.1 Console P or t The Console Port is used for system setup and diagnostic purposes only . A single RJ45 connector is used to connect a VT terminal and access the command set.
CSMIM-T1 Front P anel CSMIM-T1 Hard ware Installation Guide 1-7 1.6.2 System LED Indicators There are 7 indicators to sho w system acti vity and status. A TTN The amber Attention LED is on when the module requires operator attention, and flashes when a problem is detected.
Chapter 1: INTRODUCTION 1-8 CSMIM-T1 Har dware Installation Guide 1.6.4 T -1 Network Access There are two ports on the front panel that allo w access to the T -1 network. The T -1 Network Interf ace Port is an 8-pin, RJ48C port that provides access for the digital T -1 line.
CSMIM-T1 Front P anel CSMIM-T1 Hard ware Installation Guide 1-9 RED - Red Alarm This red indicator is ON during a locally detected carrier failure. During the “red” alarm condition, a “yello w” alarm is transmitted to the telephone network.
Chapter 1: INTRODUCTION 1-10 CSMIM-T1 Hard ware Installation Guide 1.6.8 EFS Ke y Number The sticker on the front panel ne xt to the serial number is the EFS K ey . This ke y is factory loaded and enables all options on the module. The EFS v alue is stored in the EEPR OM, and will be erased when executing the “erase” command.
T elco Connection Information CSMIM-T1 Hard ware Installation Guide 1-11 T able 1-1 T elco Configuration Information 1.8.2 Connecting the CSMIM-T1 to a Fractional T -1 Line In a fractional T -1 setup, only a portion of the 24 timeslots or DS-0’ s are used.
Chapter 1: INTRODUCTION 1-12 CSMIM-T1 Hard ware Installation Guide 1.9 COMPATIBILITY The modems used in the CSMIM-T1 hav e the following features: • Data modem throughput to 115.2 Kbps -V.34 compatibility -V.32 bis, V.32, V.22bis, V.22A/B, V.23 and V.
CSMIM-T1 Physical / Statistical Inf ormation CSMIM-T1 Hard ware Installation Guide 1-13 W eight: 4.75 lbs (2.16 kg) P ower: (per slot) +5VDC @ 9.0 A +12VDC @ 300 mA -9VDC @ 1.
Chapter 1: INTRODUCTION 1-14 CSMIM-T1 Hard ware Installation Guide.
CSMIM-T1 Hard ware Installation Guide 2-1 CHAPTER 2 INST ALLING THE CSMIM-T1 2.1 GENERAL This chapter details the installation and set up procedures for the CSMIM-T1.
Chapter 2: INST ALLING THE CSMIM-T1 2-2 CSMIM-T1 Har dware Installation Guide 2.2 LOCATING THE ETHERNET JUMPER S The CSMIM-T1 has a single jumper block that contains two Ethernet jumpers and one Subnet jumper. Figure 2-1 shows the locations and jumper numbers for the Ethernet and Subnet jumpers.
Locating the Ethernet Jumper s CSMIM-T1 Hard ware Installation Guide 2-3 2.2.1 Setting the Ethernet Jumper s The Ethernet jumpers determine how your CSMIM-T1 operates on the network. You can set the jumpers so that the CSMIM-T1 operates on channel A, B, or C.
Chapter 2: INST ALLING THE CSMIM-T1 2-4 CSMIM-T1 Har dware Installation Guide To set the Subnet jumper, refer to Figure 2-1 and configure pin row A of J12 as follows: • Normal Operation (maintain continuity of the backplane: Default): Place a jumper ov er the center pin and pin 3 in pin row A.
Installing the CSMIM-T1 CSMIM-T1 Hard ware Installation Guide 2-5 Using Bypass Mode will allo w a connection to the network to be maintained e ven though the system is po wered down (or not on-line).
Chapter 2: INST ALLING THE CSMIM-T1 2-6 CSMIM-T1 Har dware Installation Guide 1. Remove Security Bars from MMAC chassis, and blank plates from desired slots. 2. Holding the CSMIM-T1 by the front panel, or by the edges of the board, align the bottom and top edges of the board with the guide slots.
Making Connections CSMIM-T1 Hard ware Installation Guide 2-7 2.5 MAKING CONNECTIONS This section describes how to connect the CSMIM-T1 to a console to access the boot commands, and connecting the T-1 interface as well as the Drop and Insert connection.
Chapter 2: INST ALLING THE CSMIM-T1 2-8 CSMIM-T1 Har dware Installation Guide T o put the CSMIM-T1 into R OM Monitor mode, press the SET UP b utton within 30 seconds of po wering up. Y ou can also reset and set up the CSMIM-T1 by pressing the SET UP button until the TRAF LED comes ON, release the button and then press it again.
P ower-up and T est CSMIM-T1 Hard ware Installation Guide 2-9 2.5.3 Connecting a Drop/Insert Interface The Drop/Insert Interface is used to connect v arious CSMIM-T1 channels to a local PBX or other equipment. The Drop/Insert Interf ace port is located on the front panel of the CSMIM-T1.
Chapter 2: INST ALLING THE CSMIM-T1 2-10 CSMIM-T1 Hard ware Installation Guide At the monitor prompt on the console, type config and press the Return key.
A uto-initializing the R OMs CSMIM-T1 Hard ware Installation Guide 2-11 2.7 A UTO-INITIALIZING THE ROMS The CSMIM-T1 is distributed without an IP address or preferred load host (UNIX/IP or MOP) defined in R OM.
Chapter 2: INST ALLING THE CSMIM-T1 2-12 CSMIM-T1 Hard ware Installation Guide 2.7.1 BOO TP For a successful BOO TP retriev al, a bootpd must be running on a host on the same network as the CSMIM-T1 and must ha ve the appropriate information in the bootptab file.
Software Installation Procedures CSMIM-T1 Hard ware Installation Guide 2-13 2.7.2 RARP If the CSMIM-T1 does not recei ve a successful BOO TP response, it uses RARP to get the boot information.
Chapter 2: INST ALLING THE CSMIM-T1 2-14 CSMIM-T1 Hard ware Installation Guide At the monitor prompt, 1. If necessary, execute the erase command to clear the EEPROM. (See the erase command in Chapter 3.) 2. Execute the addr command to enter CSMIM-T1 operating parameters described in Section 3.
Software Installation Procedures CSMIM-T1 Hard ware Installation Guide 2-15 2.8.1 In v oking the Console Monitor After the image boots, you can in voke a Console Monitor by pressing the <Enter> ke y on the console.
Chapter 2: INST ALLING THE CSMIM-T1 2-16 CSMIM-T1 Hard ware Installation Guide 2.8.3 Reloading EFS Ke y V alue In the e vent that the EFS v alue is lost, follow this procedure to reload the ke y . This requires Superuser pri vileges. If you do not hav e the correct access abilities, contact the Network Administrator for assistance.
CSMIM-T1 Hard ware Installation Guide 3-1 CHAPTER 3 R OM MONITOR COMMANDS 3.1 GENERAL This chapter describes the R OM Monitor commands. These commands are accessed through a terminal connected to port 1 when the CSMIM-T1 is in SETUP mode. Pressing the SETUP switch within 3 seconds of powering up puts the CSMIM-T1 into Set Up mode.
Chapter 3: ROM Monitor Commands 3-2 CSMIM-T1 Har dware Installation Guide T able 3-1 R OM Monitor Command addr [-d] Displa ys and sets EEPROM v alues relev ant to networ k addressing, including the CSMIM-T1’ s Internet address. boot [-v] [<file>] Manually boots and loads the CSMIM-T1’ s operating code.
Commands CSMIM-T1 Hard ware Installation Guide 3-3 3.2 COMMANDS Follo wing is an explanation of each of the R OM monitor commands, syntax and other usage information. 3.2.1 addr The addr command displays and sets se veral CSMIM-T1 operating parameters (EEPR OM values) rele vant to IP netw ork addressing: • Internet address.
Chapter 3: ROM Monitor Commands 3-4 CSMIM-T1 Har dware Installation Guide The addr command display looks like this: The addr -d command display looks like this: The CSMIM-T1 must have an Internet (IP) address in its memory before it can load its operational image across the Ethernet via the IP protocol.
Commands CSMIM-T1 Hard ware Installation Guide 3-5 do not define a subnet mask, the CSMIM-T1 uses the generic mask for the specified IP address. The Remote Annex tries to boot from a preferred UNIX load host.
Chapter 3: ROM Monitor Commands 3-6 CSMIM-T1 Har dware Installation Guide The boot command accepts a file name for the CSMIM-T1’s image. If the file name is not specified, boot displays the default file name and prompts for one. If you do not provide a file name, or have not defined one for the CSMIM-T1, boot requests the default file oper.
Commands CSMIM-T1 Hard ware Installation Guide 3-7 The status word “! ~XXXX~”, where XXXX are four he xadecimal digits, decodes as follo ws: 8000 = Command complete 4000 = Chip is busy 2000 = Comm.
Chapter 3: ROM Monitor Commands 3-8 CSMIM-T1 Har dware Installation Guide The next e xample shows a boot using tftp . The CSMIM-T1 always tries to open a file using bfs first.
Commands CSMIM-T1 Hard ware Installation Guide 3-9 The boot –l command display looks like this: NO TE The boot –l command is suppor ted only if the self-boot option is installed. After e x ecuting a boot –l , the ls command may not sho w the newly-loaded image .
Chapter 3: ROM Monitor Commands 3-10 CSMIM-T1 Hard ware Installation Guide The boot –v command displays the boot in verbose mode. This output includes the turnaround time in milliseconds for each request. This value equals the time lapse between sending the request and receiving the proper reply from the host.
Commands CSMIM-T1 Hard ware Installation Guide 3-11 3.2.3 config The config command displays the CSMIM-T1’ s total number of ports, total amount of memory , the ID number , the serial number , the major and minor hardware re vision numbers, and the R OM software re vision number .
Chapter 3: ROM Monitor Commands 3-12 CSMIM-T1 Hard ware Installation Guide 3.2.4 console-baud The console-baud command changes the console port’s baud rate.
Commands CSMIM-T1 Hard ware Installation Guide 3-13 2. From the CSMIM-T1 console port: • At the monitor prompt, enter console-baud. • At the Select baud rate prompt, enter the appropriate baud rate or auto. • Connect the modem to the CSMIM-T1 ’ s console port.
Chapter 3: ROM Monitor Commands 3-14 CSMIM-T1 Hard ware Installation Guide If the self-boot option is not installed, the command display looks like this: 3.2.6 help Entering help , or ? , displays brief descriptions of the CSMIM-T1 ROM Monitor commands.
Commands CSMIM-T1 Hard ware Installation Guide 3-15 The image –d command display looks like this: 3.2.8 ipx The ipx command sets se veral parameters associated with IPX booting and dumping. This is useful when loading the CSMIM-T1’ s operational image from a Nov ell file server .
Chapter 3: ROM Monitor Commands 3-16 CSMIM-T1 Hard ware Installation Guide The ipx –d command displays the current settings for all of the entries. The command display looks like this: 3.2.9 lat_key The lat_key command allows you to set the LAT key from the ROM monitor.
Commands CSMIM-T1 Hard ware Installation Guide 3-17 3.2.10 mop The mop command sets the MOP load/dump address. This is useful when the loading the CSMIM-T1’ s operational image from a V AX VMS load host. The command syntax is: mop [ –d ] The mop command display looks like this: The mop –d command displays the current MOP settings: 3.
Chapter 3: ROM Monitor Commands 3-18 CSMIM-T1 Hard ware Installation Guide If the unit passes this test, the console displays P ASSED. If the CSMIM-T1 fails, the console displays an error message. F ailing this test indicates that the CSMIM-T1 failed to communicate with the MicroMMA C.
Commands CSMIM-T1 Hard ware Installation Guide 3-19 The optional npackets entry is the number of packets to transmit. If you specify npackets , then you must also specify a data_size . The ping command display looks something like this: T o exit out of ping either w ait for npackets to be transmitted or, at an y point, type q .
Chapter 3: ROM Monitor Commands 3-20 CSMIM-T1 Hard ware Installation Guide Pressing the RETURN ke y after the prompt Selection (Return to exit) returns you to the monitor prompt. If you enter the ports –d command, only the data lines are tested. The outgoing control lines are asserted during this test.
Commands CSMIM-T1 Hard ware Installation Guide 3-21 3.2.15 sequence The sequence command edits the load/dump interface list. This list determines the order of the network interfaces, and either the local area network (LAN) or the SLIP interface the CSMIM-T1 will use for loading and dumping.
Chapter 3: ROM Monitor Commands 3-22 CSMIM-T1 Hard ware Installation Guide If you enter the command with the –d argument, the console displays the current load/dump interface list. You cannot specify both the –d argument and the interface list with the same command.
Commands CSMIM-T1 Hard ware Installation Guide 3-23 T able 3-2 . The slip Command Prompts Prompt Description Allow SLIP on this port Modifies the por t’ s mode. A y response changes the por t to a SLIP interf ace. An n response changes the por t’ s mode to CLI.
Chapter 3: ROM Monitor Commands 3-24 CSMIM-T1 Hard ware Installation Guide The slip command automatically sets the number of data bits to 8 for all SLIP interfaces.
Commands CSMIM-T1 Hard ware Installation Guide 3-25 3.2.17 stats The stats command displays current network statistics gathered by the ROM. Use stats along with the boot command to help isolate problems. Table 3-3 describes the network statistics displayed by the stats command.
Chapter 3: ROM Monitor Commands 3-26 CSMIM-T1 Hard ware Installation Guide Bad T ypes/ Lengths The number of unknown pac ket types if Ethernet IP encapsulation is being used. The number of pack ets with illegal lengths if IEEE 802.2/802.3 IP encapsulation is being used.
CSMIM-T1 Hard ware Installation Guide 4-1 CHAPTER 4 CSMIM-T1 P ARAMETERS 4.1 GENERAL The CSMIM-T1 comes with software that supports specific commands and parameters for the configuration and administration of the CSMIM-T1 module. These commands cannot be accessed through the console port.
Chapter 4: CSMIM-T1 P arameters 4-2 CSMIM-T1 Har dware Installation Guide stats -T The stats -T command displays T -1 network interface statistics for the Annex.
T -1 Commands CSMIM-T1 Hard ware Installation Guide 4-3 The information displayed at the beginning of e very stats -T command is described in T able 4-3. T able 4-3 stats-T Command Inf ormation Field Description Sync When Sync is true, the T -1 engine is detecting frame synchronization.
Chapter 4: CSMIM-T1 P arameters 4-4 CSMIM-T1 Har dware Installation Guide Online When illuminated, the T -1 engine is engaged with the network. Otherwise, the T -1 Network Interface and Drop/Inser t Interf ace are isolated from the T -1 engine. Up Time Amount of time the T -1 engine has been up , in hours, minutes, and seconds .
T -1 Commands CSMIM-T1 Hard ware Installation Guide 4-5 show t1 The show t1 command displays current T -1 configuration parameters: The syntax is: show t1 t1_parameter set t1 The set t1 command requires superuser pri vileges, and modifies CSMIM-T1 configuration parameters.
Chapter 4: CSMIM-T1 P arameters 4-6 CSMIM-T1 Har dware Installation Guide The reset inter nal_modem command resets the specified T -1 modem_set . There is no physical reset b utton.
T -1 Commands CSMIM-T1 Hard ware Installation Guide 4-7 T1_loopback The superuser T1_loopback command places the T -1 engine into loopback mode. None of the loopback conditions persist through a po wer do wn or reboot.
Chapter 4: CSMIM-T1 P arameters 4-8 CSMIM-T1 Har dware Installation Guide 4.3 T -1 PARAMETER S The CSMIM-T1 software comes with the follo wing new T -1 parameters: Keywo rd Description alarmsyslog Sets or displa ys parameter setting as yes or no . These values enab le or disable the alarm ev ent syslogs.
P arameter Descriptions CSMIM-T1 Hard ware Installation Guide 4-9 4.4 P ARAMETER DESCRIPTIONS The CSMIM-T1 software comes with the follo wing new parameters: alarmsyslog This T -1 parameter enables or disables the T -1 alarm e vent syslogs. A Y enables this parameter , an N disables it.
Chapter 4: CSMIM-T1 P arameters 4-10 CSMIM-T1 Hard ware Installation Guide map This T -1 parameter controls the mapping of the modems to the T1 Drop and Insert Interface (T1DII) and the T1 Network Interf ace (T1NI) DS0 slots/channels. The modems can be mapped to an y unoccupied slot on the T1NI or the T1DII.
P arameter Descriptions CSMIM-T1 Hard ware Installation Guide 4-11 sigproto This T -1 parameter is used to specify the inbound and outbound signaling protocols supported by each T -1 channel (DS0). Each channel supports an inbound protocol and an outbound protocol.
Chapter 4: CSMIM-T1 P arameters 4-12 CSMIM-T1 Hard ware Installation Guide tni_cloc k This T -1 parameter sets the clock for the T1 Netw ork Interface. P arameter settings include loop (service provider), local (Anne x), external (T1 Drop/Insert Interface).
Set T -1 Parameter s Example CSMIM-T1 Hard ware Installation Guide 4-13 tni_ones_density This T -1 parameter is used to defeat the CSMIM-T1 ones density monitor . The T -1 engine has a built in ones density monitor that will pro vide the network with the correct number of one pulses.
Chapter 4: CSMIM-T1 P arameters 4-14 CSMIM-T1 Hard ware Installation Guide T1 DS0 Map Parameters map: ds0=1 ds1_modem 1 ds0=2 ds1_modem 2 ds0=3 ds1_modem 3 ds0=4 ds1_modem 4 ds0=5 ds1_modem 5 ds0=6 ds.
Set T -1 Parameter s Example CSMIM-T1 Hard ware Installation Guide 4-15 ds0=19 loop_start loop_start ds0=20 loop_start loop_start ds0=21 loop_start loop_start ds0=22 loop_start loop_start ds0=23 loop_.
Chapter 4: CSMIM-T1 P arameters 4-16 CSMIM-T1 Hard ware Installation Guide.
CSMIM-T1 Hard ware Installation Guide 5-1 CHAPTER 5 T ROUB LESHOOTING PROCEDURES 5.1 GENERAL The CSMIM-T1 ’ s front panel contains a number of LEDs that provide information about normal operations and about problems that occur . Use these LEDs and the R OM Monitor commands to diagnose problems.
Chapter 5: T roubleshooting Procedures 5-2 CSMIM-T1 Har dware Installation Guide Refer to T able 5-1 for a description of the LEDs located on the front of the CSMIM-T1. T able 5-1 CSMIM-T1 Fr ont Panel LEDs LED(s) Description MODEM CONFIG ST A TUS These LEDs indicate the number of modems installed (8, 16, or 24).
General CSMIM-T1 Hard ware Installation Guide 5-3 NETWORK ALARMS RED - RED alarm indicator is ON during a locally detected carrier failure . During the RED alar m condition, a YELLOW alarm is transmitted across the telephone network. YEL - YELLO W alarm indicator is ON when receiving a YELLOW alarm condition from the telephone network.
Chapter 5: T roubleshooting Procedures 5-4 CSMIM-T1 Har dware Installation Guide During po wer-up and booting, it is more dif ficult to diagnose problems because they can originate in the CSMIM-T1, the netw ork, or the load server host. Ho wev er, the LEDs pro vide both a progress report and an error display to assist you in troubleshooting.
P ower-Up and Boot Pr ocedures CSMIM-T1 Hard ware Installation Guide 5-5 5.2.1.1 Normal Mode Err or-Free Sequence T able 5-2 summarizes the LED display states during error -free po wer-up in normal mode. The follo wing subsections describe these states.
Chapter 5: T roubleshooting Procedures 5-6 CSMIM-T1 Har dware Installation Guide 5.2.1.2 Normal Mode Err or Sequence T able 5-3 sho ws the state of the indicators when an error occurs at v arious stages of the start-up process. If the CSMIM-T1 fails during the hardware-test state (N2), the error condition is hardware f ailure NE2.
P ower-Up and Boot Pr ocedures CSMIM-T1 Hard ware Installation Guide 5-7 If you do not kno w why the CSMIM-T1 booted the wrong image, enter the R OM Monitor mode and issue an image -d command. The command display will list the image file the CSMIM-T1 is trying to load.
Chapter 5: T roubleshooting Procedures 5-8 CSMIM-T1 Har dware Installation Guide Activity T2: T esting the Hard ware During po wer-up, the CSMIM-T1 runs self-tests that e xecute diagnostics for the CPU, R OM, EEPR OM, FLASH, etc.
BOO T Failures CSMIM-T1 Hard ware Installation Guide 5-9 Activity TE2: Har dware Failure The R OM diagnostics detected a CSMIM-T1 hardware problem requiring service. Call T echnical Support. Activity TE7: Booted Wrong Image The CSMIM-T1 loaded an inappropriate image.
Chapter 5: T roubleshooting Procedures 5-10 CSMIM-T1 Hard ware Installation Guide The CSMIM-T1 requests a boot image from a pre-defined load host or by broadcasting a boot request. When a host responds, the CSMIM-T1 loads its operational image. The CSMIM-T1 requires setting certain configuration parameters.
BOO T Failures CSMIM-T1 Hard ware Installation Guide 5-11 The error count pinpoints the error that caused the boot failure. F or example, if the boot f ailed during a Read Request due to excessi ve Ex.
Chapter 5: T roubleshooting Procedures 5-12 CSMIM-T1 Hard ware Installation Guide T able 5-7 Err ors from Last Read Request T able 5-8 Err ors from Last Open Request Error Description Msgs with wrong size The correct host responded to the Read Request, but the data size is incorrect.
BOO T Failures CSMIM-T1 Hard ware Installation Guide 5-13 5.3.2 Correcting CSMIM-T1 Parameters The follo wing parameters must accurately reflect both the CSMIM-T1 and the network en vironment in which it operates. V erify the CSMIM-T1’ s IP address using the addr command.
Chapter 5: T roubleshooting Procedures 5-14 CSMIM-T1 Hard ware Installation Guide 5.3.2.1 Load Server Host Not Responding The CSMIM-T1 can boot from one of the follo wing hosts acting as a load server host: • A UNIX host on the network • Another CSMIM-T1 • A V AX VMS load server host • Any host (UNIX or non-UNIX) using tftp .
BOO T Failures CSMIM-T1 Hard ware Installation Guide 5-15 When the CSMIM-T1 boots in test mode, the console displays the load server host’ s Internet address, and indicates whether it receiv es a response to its Open File Request and to any of its Read File Requests.
Chapter 5: T roubleshooting Procedures 5-16 CSMIM-T1 Hard ware Installation Guide 5.3.2.4 V AX VMS Load Host on the LAN If the installation was successful and the NCP CIRCUIT SER VICE is enabled, but the CSMIM-T1 still f ails to boot, performing the following steps may locate your problem: 1.
CSMIM-T1 Dumps CSMIM-T1 Hard ware Installation Guide 5-17 5.4 CSMIM-T1 DUMPS The CSMIM-T1 dumps its memory image to a host running load server software when certain software or hardw are events occur . T able 5-9 sho ws the LED states during a dump. Events that trigger CSMIM-T1 dumps are: • Non-recov erable hardware or software errors.
Chapter 5: T roubleshooting Procedures 5-18 CSMIM-T1 Hard ware Installation Guide The assigned name depends on the number of characters per file name that the dump host supports. For hosts supporting file names longer than 14 characters (e.g., BSD hosts), dump files are named dump.
CSMIM-T1 Hard ware Installation Guide 6-1 CHAPTER 6 MODEM GUIDE 6.1 GENERAL The CSMIM-T1 uses 24 high performance, error-correcting, V .34 internal modems. The y are fully compatible with V .FC (V .Fast Class) modems and of fer support for cellular operations.
Chapter 6: Modem Guide 6-2 CSMIM-T1 Har dware Installation Guide 6.2 FEATURES The modems hav e the following features: • ITU-T standards: V .21, V .22, V .22bis, V .23, V .32, V .32bis, and V .34 • Compatibility with Rockwell International’ s V .
Using the A T Command Set CSMIM-T1 Hard ware Installation Guide 6-3 6.3 USING THE A T COMMAND SET Each command line must begin with the characters AT (the AT tention code). Both characters of the attention code must be in either upper case or lo wer case, but you may type the commands in an y combination.
Chapter 6: Modem Guide 6-4 CSMIM-T1 Har dware Installation Guide 6.3.1 Ke y A T Command F actory Defaults T able 6-1 K ey A T Command F actory Defaults AT Title Default $B n Serial-P or t Bps Rate 115,200 %B n Modem-P or t Bps Rate 28,800 %C n Compression Control 3 (MNP 5 & V .
Using the A T Command Set CSMIM-T1 Hard ware Installation Guide 6-5 Y ou are ready to establish a connection as either a dialing modem or an auto-answer modem. For tone dialing, type: ATDT <telephone number> <Enter> The modem automatically answers calls on the first ring if DTR is present.
Chapter 6: Modem Guide 6-6 CSMIM-T1 Hardware Installation Guide 6.3.3 V .32bis Cellular Connections Using A T Commands The internal V .34 modems may be set up in different ways to operate o v er a cellular telephone network. The follo wing are typical setups that might be used.
Modulation Protocols CSMIM-T1 Hard ware Installation Guide 6-7 6.4 MODULATION PROTOCOLS Using Multi-Protocol A uto-Answer The multi-protocol auto-answer feature allo ws auto-answer of incoming calls from modems using any of the follo wing protocols: V .
Chapter 6: Modem Guide 6-8 CSMIM-T1 Hardware Installation Guide V .32 and V .32bis Protocols The ITU-T V .32 protocol is for full-duplex data transfer ov er general switched telephone networks at 9,600 and 4,800 bps. V .32 employs echo cancellation and trellis coded modulation.
Modulation Protocols CSMIM-T1 Hard ware Installation Guide 6-9 V .22 and V .22bis Protocols V .22 protocol is used for 1200 bps and 600 bps full-duplex connections. The version of V .22 your modem supports is Alternativ e B. V .22bis protocol enhances V .
Chapter 6: Modem Guide 6-10 CSMIM-T1 Hard ware Installation Guide Bell 103 Protocol Bell 103 protocol is for 300 bps full-duplex connections. The features described in this guide apply to Bell 103 operation except that your modem does not support: • Digital (loop 1A) and analog (V .
Modulation Protocols CSMIM-T1 Hard ware Installation Guide 6-11 6.4.2 Speed and Protocol Connection Matrices The follo wing tables sho w the possible speed and protocol combinations for modem connections. The y also illustrate the action of an answer modem set to use multi-mode answering.
Chapter 6: Modem Guide 6-12 CSMIM-T1 Hard ware Installation Guide T able 6-4 Modem Speed and Pr otocol Combinations Mode Setting on Originating Modem Mode Setting on Answer Modem V .22[b] V .22[a] V .22bis V .32 V .32bis V .34/V .FC V .34/V .FC (14400-28800) — V .
Modulation Protocols CSMIM-T1 Hard ware Installation Guide 6-13 T able 6-5 Modem Speed and Pr otocol Combinations Mode Setting on Originating Modem Mode Setting on Answer Modem Bell103 Bell212A V .21 V .23[c] V .34/V .FC (2400-28800) Bell103 Bell212A — — V .
Chapter 6: Modem Guide 6-14 CSMIM-T1 Hard ware Installation Guide 6.5 ERROR CORRECTION MNP Classes The modem provides MNP Class 10 and supports MNP Class 5 data compression. It is compatible with all MNP products. Its enhanced MNP service is completely transparent to the user .
Error Correction CSMIM-T1 Hard ware Installation Guide 6-15 Other Classes of MNP MNP Class 2 uses standard asynchronous framing techniques for data transmission and error correction. Because of this protocol ov erhead, the actual throughput is less than the bps rate of the modem.
Chapter 6: Modem Guide 6-16 CSMIM-T1 Hard ware Installation Guide 6.6 DIAGNOSTICS The modem’ s diagnostic capabilities verify its performance and can isolate the source of a communications problem. If a problem exists, test all components of the communications path, including the data cable and all connectors.
Diagnostics CSMIM-T1 Hard ware Installation Guide 6-17 6.6.3 Local Analog Loopback Local Analog Loopback tests the local serial port and the local computer . This test requires you to type a sequence of characters at your computer . The modem then sends these characters back to your computer .
Chapter 6: Modem Guide 6-18 CSMIM-T1 Hard ware Installation Guide 6.6.5 Remote Digital Loopback Remote Digital Loopback tests the remote modem port, the telephone line, the local serial and modem ports, and the local computer . This test requires you to type a sequence of characters at your computer .
Diagnostics CSMIM-T1 Hard ware Installation Guide 6-19 The operator of the remote system no w types a sequence of characters. Y ou do not see any characters on your display while your modem echoes the characters typed by the operator of the remote modem back to the remote computer .
Chapter 6: Modem Guide 6-20 CSMIM-T1 Hard ware Installation Guide 6.7 RESULT CODES The modem can display these result codes when it attempts to establish a connection. See also Chapter 7, A T Commands and Registers for descriptions of the commands. 6.
Result Codes CSMIM-T1 Hard ware Installation Guide 6-21 T able 6-7 Long Form Connect Result Codes A TV1-M0W0 or A TV1-M0W1 Report DTE Speed DTE Speed (bps) Non-rel V1 rel, V2 rel V0 rel V3 rel, V4 rel.
Chapter 6: Modem Guide 6-22 CSMIM-T1 Hard ware Installation Guide T able 6-8 Long Form Connect Result Codes 1 If V2 or V4 is set and a reliable link is established, the message displays as one of the following formats: CONNECT <speed>/REL - MNP or CONNECT <speed>/REL - LAPM or CONNECT <speed>/REL - CELLULAR .
Result Codes CSMIM-T1 Hard ware Installation Guide 6-23 4 If V5 is set, the message displays as one of the following formats: CONNECT <speed>/<modulation>REL -CELLULAR , CONNECT <speed>/<modulation>REL - LAPM , or CONNECT <speed>/<modulation>REL - MNP , with the modulation /V.
Chapter 6: Modem Guide 6-24 CSMIM-T1 Hard ware Installation Guide T able 6-10 A TV0W2 Report Modulation Speed 1 Not Supported in synchronous mode 2 In synchronous mode or when V0 is set , the following numeric codes display: 14400 bps=34; 12000 bps = 44; 7200 bps = 40.
CSMIM-T1 Hard ware Installation Guide 7-1 CHAPTER 7 A T COMMANDS AND REGISTER S This chapter contains the follo wing sections: • The Command Set • Entering Commands • Issuing A T Commands at any Speed • Command Descriptions • Register Descriptions 7.
Chapter 7: A T Commands and Registers 7-2 CSMIM-T1 Hardware Installation Guide 7.1.1.1 Issuing A T Commands at any Speed Y ou can enter A T commands at any supported serial-port speed up to 115,200 bps. Y our modem automatically adjusts to the connection and command speeds (autobauds) up to 19,200 bps.
Commands CSMIM-T1 Hard ware Installation Guide 7-3 %A n Auto-Reliable Fallback Character Where n is an integer between 0 and 127 indicating an ASCII character (Default is 0, auto-reliable fallback character disabled). Sets the ASCII character recognized as the auto-reliable fallback character on the answering modem.
Chapter 7: A T Commands and Registers 7-4 CSMIM-T1 Hardware Installation Guide %B n Modem-Port Bps Rate Where n = 75; 300; 600; 1,200; 2,400; 4,800; 7,200; 9,600; 12,000; 14,400; 16,800; 19,200; 21,600; 24,000; 26,400; 28,800 bps. When you enter this locally, the modem-port bps rate is set.
Commands CSMIM-T1 Hard ware Installation Guide 7-5 Setting this command to 1 or 2 restricts the modem to using either MNP 5 Data Compression or V.42bis compression, respectively, or else a non-compression connection results.
Chapter 7: A T Commands and Registers 7-6 CSMIM-T1 Hardware Installation Guide C n Auto-Reliable Buffer C0 Does not buffer data during link negotiation.
Commands CSMIM-T1 Hard ware Installation Guide 7-7 D <dial string> Dial Where <dial string> is a string of up to 98 characters. Do not type < or >.Valid dial string characters are: 0 - 9 , dial modifiers, and for tone dialing A , B , C , D , # , and * .
Chapter 7: A T Commands and Registers 7-8 CSMIM-T1 Hardware Installation Guide R (Dial a Number in Answer Mode) Must follow the last character in the dial string. Causes the modem to dial in answer mode when calling an originate-only modem. For example: ATD 5551234R <Enter>.
Commands CSMIM-T1 Hard ware Installation Guide 7-9 ! (Flash) Inserted between characters in a dial string, causes the modem to go on hook for 1/2-second and then go back off hook, as though you depressed the switch-hook button on your telephone.
Chapter 7: A T Commands and Registers 7-10 CSMIM-T1 Hard ware Installation Guide U (Dial in Direct Mode) Placed anywhere in the dial string, causes the modem to override current operating mode and dial in direct mode for the current connection only.
Commands CSMIM-T1 Hard ware Installation Guide 7-11 &D n DTR Control &D0 Ignores DTR. DTR not needed for auto-answer. &D1 Enters command state on detecting On-to-Off transition of DTR; DTR not needed for auto-answer. &D2 Goes on hook on detecting On-to-Off transition of DTR and prepares the serial port to accept an AT at any speed.
Chapter 7: A T Commands and Registers 7-12 CSMIM-T1 Hard ware Installation Guide T able 7-1 The &C and D Settings NO TES Hardware flow control overrides &C and D settings for CTS. (See Q.) The modem ignores &C and D settings while connected in V.
Commands CSMIM-T1 Hard ware Installation Guide 7-13 E n Command Echo E0 Inhibits the echoing of commands to the local device. E1 Echoes commands to the local device. %E n Auto-Retrain %E0 Disables the automatic retrain sequence. %E1 Enables the automatic retrain sequence (at 2400 bps or higher).
Chapter 7: A T Commands and Registers 7-14 CSMIM-T1 Hard ware Installation Guide :E n Compromise Equalizer :E0 Disables the compromise equalizer only when the modem is in V.32bis or V.32 mode; may be useful for direct line connections or PBX-to-PBX connections.
Commands CSMIM-T1 Hard ware Installation Guide 7-15 &F Restore Factory Defaults Restores factory default settings. -F n Secondary Flow Control -F0 Disables secondary flow control characters. -F1 Enables secondary flow control characters. Controls whether the modem sends or receives secondary flow control characters on the serial port.
Chapter 7: A T Commands and Registers 7-16 CSMIM-T1 Hard ware Installation Guide G n Modem-Port Flow Control G0 Disables modem-port flow control. G1 Sets modem-port flow control to XON/XOFF. G2 Sets modem-port flow control to unidirectional XON/XOFF. Sets the flow control method used to pace data between modems during a normal mode connection.
Commands CSMIM-T1 Hard ware Installation Guide 7-17 *H n Link Negotiation Speed *H0 Link negotiation occurs at the highest supported speed. *H1 Link negotiation occurs at 1,200 bps. *H2 Link negotiation occurs at 4,800 bps. Sets the connection speed for link negotiation for connections before upshift occurs between two MNP 10 modems.
Chapter 7: A T Commands and Registers 7-18 CSMIM-T1 Hard ware Installation Guide When the modem establishes a reliable connection at speeds between 4,800 and 16,800 bps with bps rate adjust enabled, the serial-port speed adjusts to 9,600 bps. If the connection speed is above 16,800 bps, the serial port adjusts to 19,200 bps.
Commands CSMIM-T1 Hard ware Installation Guide 7-19 T able 7-2 illustrates the Kn command T able 7-2 The K n Command *Forces the modem to command state.
Chapter 7: A T Commands and Registers 7-20 CSMIM-T1 Hard ware Installation Guide %L n Speed Matching %L0 Provides partial speed matching. %L1 Enables speed matching. %L2 Disables speed matching. %L3 Enables V.8 Automode with fallback to ITU-T Automode.
Commands CSMIM-T1 Hard ware Installation Guide 7-21 T able 7-4 Modem Connections When %L1 or %L3 is Set The follo wing chart indicates the connections that the modem can establish when %L4 is set. Both modems must support the V .8 protocol when using %L4 or a connection will not be made.
Chapter 7: A T Commands and Registers 7-22 CSMIM-T1 Hard ware Installation Guide T able 7-5 Modem Connections When %L4 is Set T o restrict the possible connections that can result, %L0 or %L2 can be set on originating or answering modem. If %L2 is set, modem and connection speeds are identical.
Commands CSMIM-T1 Hard ware Installation Guide 7-23 T able 7-6 Modem Connections when %L0 is Set %M n Modulation Selection %M0 Allows connections through V.32bis. %M1 Allows connections through V.FC. %M2 Allows connections through V.34 (default). Controls the modem’s top modulation speed.
Chapter 7: A T Commands and Registers 7-24 CSMIM-T1 Hard ware Installation Guide )M n Power Level Adjustment for Cellular Telephone Connections )M0 For central site modems: Auto-adjustment (adjusts power level if remote modem is set to )M1 ). Use for MNP 10 modems that will connect to both cellular telephone and non-cellular telephone site modems.
Commands CSMIM-T1 Hard ware Installation Guide 7-25 N n Operating Mode N0 Sets normal mode. N1 Sets direct mode. N2 Sets reliable mode. N3 Sets auto-reliable mode. N4 Sets LAPM reliable mode. N5 Sets LAPM reliable mode with fallback to normal mode. N6 Sets LAPM reliable mode with fallback to MNP reliable mode.
Chapter 7: A T Commands and Registers 7-26 CSMIM-T1 Hard ware Installation Guide Auto-reliable mode (N3) allows the modem to communicate with remote systems which support the MNP or LAPM reliable link and with systems that do not support the reliable link.
Commands CSMIM-T1 Hard ware Installation Guide 7-27 T able 7-7 indicates the type of connections, depending on the operating mode. NC indicates No Connection. Where more than one operating mode is in a column, the first mode is for the originating modem and the second mode is for the answering modem.
Chapter 7: A T Commands and Registers 7-28 CSMIM-T1 Hard ware Installation Guide %O n V.23 Equalizer Control %O0 Disables equalizers in V.23 half-duplex mode. %O1 Enables equalizers in V.23 half-duplex mode. Determines if equalizers are set in V.23 half-duplex mode.
Commands CSMIM-T1 Hard ware Installation Guide 7-29 P Pulse Dial Changes the current dialing mode to pulse. Tone is the default. -P n Check Parity -P0 Ignores parity of special characters. -P1 Processes special characters only if their parity matches that of the serial port.
Chapter 7: A T Commands and Registers 7-30 CSMIM-T1 Hard ware Installation Guide Q n Quiet Q0 Enables output of result codes. Q1 Disables output of result codes. Q2 Disables answer mode result codes only. Determines whether the modem sends result codes and status codes ( OK , BUSY , RING , etc.
Commands CSMIM-T1 Hard ware Installation Guide 7-31 Q6 Keeps CTS Off until connection for bi-directional hardware flow control; ignores RTS until connection. Sets the type of flow control used on the serial port. If the serial-port speed is faster than the modem-port speed, data from your computer enter the modem faster than they leave.
Chapter 7: A T Commands and Registers 7-32 CSMIM-T1 Hard ware Installation Guide Q4 enables unidirectional XON/XOFF flow control. The modem serial port generates, but does not respond to, XON/XOFF flow control characters. This setting allows for computers to transmit data that has XON and XOFF data characters.
Commands CSMIM-T1 Hard ware Installation Guide 7-33 S Read Online Status Displays a list of modem commands and their current settings. This command also displays the active connection type, as well as the elapsed connect time and the telephone number most recently dialed.
Chapter 7: A T Commands and Registers 7-34 CSMIM-T1 Hard ware Installation Guide &T1 makes the modem display the characters on your screen exactly as you type them. The modem must be in normal or direct mode and set to 1200 bps or higher. &T3 allows a remote modem that does not support the ITU-T V.
Commands CSMIM-T1 Hard ware Installation Guide 7-35 You must enter AT%U0 when changing from 11-bit characters to 10-bit characters, and from 10-bit to 11-bit. When the serial-port speed is set to 38,400 bps, you cannot change it until you enter an AT%U n or reset it.
Chapter 7: A T Commands and Registers 7-36 CSMIM-T1 Hard ware Installation Guide CONNECT <speed> /REL-MNP or CONNECT <speed> /REL-LAPM or CONNECT <speed> /REL-CELLULAR V5 Displays V4 plus modulation V.34 , V.FC , V.32 , or V.22 . Determines whether result codes indicate that a reliable link connection is in effect.
Commands CSMIM-T1 Hard ware Installation Guide 7-37 When X0 is set, CONNECT displays, regardless of W setting. See the section entitled “Result Codes,” for a list of valid connect messages and result codes. %W n Pulse Digit Command %W0 n pulse digits dialed for each number.
Chapter 7: A T Commands and Registers 7-38 CSMIM-T1 Hard ware Installation Guide Save telephone numbers independently with the P n and &Z n = commands. The *W command saves the serial-port speed and parity and the modem-port speed in effect when you enter *W.
Commands CSMIM-T1 Hard ware Installation Guide 7-39 X n XON/XOFF Pass-Through X0 Processes XON/XOFF flow control characters. X1 Processes XON/XOFF flow control characters and passes them to the local or remote system so that the local or remote device also processes them.
Chapter 7: A T Commands and Registers 7-40 CSMIM-T1 Hard ware Installation Guide &Y n Designate Default User Profile Selects user profile n , where n = 0 to 3 (Default is 0). Designates which of four user profiles the modem loads into active configuration at power up, or when DTR drops when &D3 is set.
Registers CSMIM-T1 Hard ware Installation Guide 7-41 7.3 REGISTERS Some registers control a single function. Others control se veral functions and are bitmapped. W e recommend bitmapped registers for reading modem status only; we suggest you use commands to change the modem’ s settings .
Chapter 7: A T Commands and Registers 7-42 CSMIM-T1 Hard ware Installation Guide :T n ? Where n is an integer from 0 to 29, indicating a :T register. Displays the contents in decimal form only of register “ n ”.
Registers CSMIM-T1 Hard ware Installation Guide 7-43 S4= n Line Feed Character Range: 0 - 127, ASCII decimal Default: 10 (line feed) Sets the character recognized as a line feed. The line feed character follows the carriage return at the end of command lines and result codes.
Chapter 7: A T Commands and Registers 7-44 CSMIM-T1 Hard ware Installation Guide • Quiet answer when the “@” dial modifier is encountered in a dial string.
Registers CSMIM-T1 Hard ware Installation Guide 7-45 S11= n DTMF Tone Dialing Speed Range: 50 - 100 milliseconds Default: 75 milliseconds Sets the length of time after the last tone and before the next tone is sent when the modem is dialing over a touch tone line.
Chapter 7: A T Commands and Registers 7-46 CSMIM-T1 Hard ware Installation Guide T able 7-8 Saved Command Settings with S14 S16= n Bit Mapped Register, Test Options Commands enable and disable loopback test options.
Registers CSMIM-T1 Hard ware Installation Guide 7-47 T able 7-9 Saved Command Settings with S16 S18= n Test Timer Range: 0 - 255 seconds Default: 0 seconds (disables timer) Sets how long the modem conducts a loopback diagnostic test. Register S18 is available only in normal or direct mode.
Chapter 7: A T Commands and Registers 7-48 CSMIM-T1 Hard ware Installation Guide S21= n Bit Mapped Register (Table 7-10) T able 7-10 Saved Command Settings with S21 S22= n Bit Mapped Register (Table 7.
Registers CSMIM-T1 Hard ware Installation Guide 7-49 S23= n Bit Mapped Register (Table 7-12) T able 7-12 Saved Command Settings with S23 The modem ignores the Respond to Remote Digital Loopback option during reliable connections.
Chapter 7: A T Commands and Registers 7-50 CSMIM-T1 Hard ware Installation Guide S25= n Delay to DTR and Asynchronous Time Delay Range: Delay to DTR: 0 - 255 hundredths of a second Async mode: 0 - 255 seconds Default: Delay to DTR: 5 hundredths of a second (0.
Registers CSMIM-T1 Hard ware Installation Guide 7-51 This command requires 1200 bps or higher operation with %F0%L1 set. Determines how long the modem attempts to establish a V.32, V.22bis, or V.22 connection before attempting to establish a V.21 connection.
Chapter 7: A T Commands and Registers 7-52 CSMIM-T1 Hard ware Installation Guide When the originating modem is set for V.21 or V.23 operation, :T3 determines how long the modem waits after detecting answer tone before proceeding with the connection. When :T3 is set to 0, the originating modem does not wait for answer tone.
Registers CSMIM-T1 Hard ware Installation Guide 7-53 :T7= n Timer for False Answer Abort Where n is an integer from 0 to 255, representing seconds. Default n =60 seconds; setting :T7=0 disables this timer. This command takes effect only when the modem falls back to a normal mode V.
Chapter 7: A T Commands and Registers 7-54 CSMIM-T1 Hard ware Installation Guide :T11= n Secondary XON Flow Control Character Where n is a decimal from 0 to 255, representing an 8-bit character. Default is F9 hexadecimal (or 249 decimal). Defines the character used for secondary XON flow control on the modem’s serial port.
Registers CSMIM-T1 Hard ware Installation Guide 7-55 T able 7-14 T15 Command Settings :T16= n CTS Turn On Delay Timer Where n is an integer from 0 to 255 (in increments of 12.5 milliseconds). Default is 0. After DCD and/or DSR have been turned On while connecting, determines how long the modem waits before turning On CTS.
Chapter 7: A T Commands and Registers 7-56 CSMIM-T1 Hard ware Installation Guide :T19= n Bit Mapped Register Where n is an integer from 0 to 255 (see below for the valid values for n ).
Registers CSMIM-T1 Hard ware Installation Guide 7-57 :T26= n Bit Mapped Register (Table 7-17) T able 7-17 :T26 Settings :T42= n V.34/V.FC Connection Speed Selection 0 Default V.34/V.FC connection speed selection. 1 Highest V.34/V.FC connection speed selection (about 2 speeds above default).
Chapter 7: A T Commands and Registers 7-58 CSMIM-T1 Hard ware Installation Guide.
CSMIM-T1 Hard ware Installation Guide A-1 APPENDIX A POR T PIN/SIGNAL ALLOCA TIONS A.1 GENERAL This appendix supplies information regarding CSMIM-T1 port pinouts, signals and cabling. A.2 CONSOLE P ORT The console port is used at install to configure the CSMIM-T1.
Appendix A: PORT PIN/SIGNAL ALLOCA TIONS A-2 CSMIM-T1 Har dware Installation Guide A.3 INTERFACE P ORTS The T1 Netw ork interface port is used to connect the T1 line to the CSMIM-T1. The Drop/Insert interf ace is used to connect the CSMIM-T1 to other equipment, such as a PBX.
Additional Cabletr on Cables and Connectors CSMIM-T1 Hard ware Installation Guide A-3 • DCE (Cabletron part number 9372075) for DB25 male Table A-4 Connector Wiring A.
Appendix A: PORT PIN/SIGNAL ALLOCA TIONS A-4 CSMIM-T1 Har dware Installation Guide.
CSMIM-T1 Hard ware Installation Guide INDEX-1 Symbols $B to change serial-port speeds 6-3 $D and diagnostics 6-16 %G and protocol settings 6-10 ( 7-50 *H and cellular connections 6-6 +++ to enter comm.
INDEX INDEX-2 CSMIM-T1 Har dware Installation Guide bidirectional hardware flow control 7-31 bong detect dial modifier 7-9 boot command 3-5 examples 3-10 boot -l command 3-8 booting from Flash ROM 2-1.
INDEX CSMIM-T1 Hard ware Installation Guide INDEX-3 CTS 7-5, 7-11, 7-32, 7-48, 7-50 CTS control command 7-11 CTS off until connection 7-30 CTS turn-on delay timer 7-55 D data buffering by command 7-6 .
INDEX INDEX-4 CSMIM-T1 Har dware Installation Guide disable speed matching 7-20 disconnect buffer delay command 7-10 disconnect by command 7-16 display configuration register 7-41 registers 7-32, 7-41.
INDEX CSMIM-T1 Hard ware Installation Guide INDEX-5 flow control 7-25 characters 7-39, 7-53, 7-54 hardware 7-30 primary XON character 7-53 secondary XON character 7-54 serial port 7-30 XON/XOFF 7-39 f.
INDEX INDEX-6 CSMIM-T1 Har dware Installation Guide load/dump gateway setting 3-5 local analog loopback 6-17, 7-34 with self-test 7-34 local analog loopback by command 6-17 local analog loopback with .
INDEX CSMIM-T1 Hard ware Installation Guide INDEX-7 originate mode register 7-45 P parity check command 7-29 parity option register 7-49 parity, set by command 7-28 pause before dial 7-43 during dial .
INDEX INDEX-8 CSMIM-T1 Har dware Installation Guide repeat dial 7-11 repeat dial command 7-11 repeat last command 7-2 reset command 7-40 reset command reference 4-5 reset modem 7-40 respond to loopbac.
INDEX CSMIM-T1 Hard ware Installation Guide INDEX-9 software installation executing boot command 2-14 procedures 2-13 setting initial boot parameters 2-14 setting Internet address 2-14 speed 7-4 serial port 7-15, 7-17, 7-34 speed connection matrices 6-11 speed matching 7-20 speed matching command 7-20 speed reporting 7-36 speed selection, V.
INDEX INDEX-10 CSMIM-T1 Hardware Installation Guide V.22 6-2, 7-48, 7-51 V.22 overview 6-9 V.22, V.22bis, V.32 timer 7-50 V.22bis 6-2, 7-48, 7-51 V.22bis overview 6-9 V.23 6-2, 7-51 equalizer control 7-28 half duplex 7-28, 7-51, 7-52 V.23 half-duplex 6-8 V.
An important point after buying a device Cabletron Systems CSMIM-T1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cabletron Systems CSMIM-T1 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 Cabletron Systems CSMIM-T1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cabletron Systems CSMIM-T1 you will learn all the available features of the product, as well as information on its operation. The information that you get Cabletron Systems CSMIM-T1 will certainly help you make a decision on the purchase.
If you already are a holder of Cabletron Systems CSMIM-T1, 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 Cabletron Systems CSMIM-T1.
However, one of the most important roles played by the user manual is to help in solving problems with Cabletron Systems CSMIM-T1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cabletron Systems CSMIM-T1 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
