Instruction/ maintenance manual of the product MTA128ST Multi Tech Equipment
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Models MTA128ST and MTA128NT External ISDN Terminal Adapter User Guide.
2 User Guide Model MTA128ST/NT S000305C Rev. C This publication may not be repr oduced, in whole or in part, withou t prior wr itten p ermission from Multi-Tech Syst em s, Inc. All rights rese rved. Copyright © 2004- 07 by Multi-Tech Syst ems, Inc. Multi-Tech Systems, Inc.
Contents 3 Contents Chapter 1: Introducti on and Desc ription ....................................................................................... ................................. 4 Welcome to the world of ISDN communications. ....................
Introduction and Description 4 Chapter 1: Introduction and Description Welcome to the world of ISDN communic ations. You have acquired one of the finest ISDN termina l ad apters (TAs) available today, model MTA1 28ST/NT from Multi-Tech Systems.
Introduction and Description 5 Your ISDN TA is compat ible with prevalent ISDN switch protocols. It communicates using ISDN BRI (2B+D) service, which provides up to 128 K bps data communication s.
Introduction and Description 6 If your ISDN product operates with a S/T outlet interf ace, you need an NT1 device to co nnect to the ISDN switch. MTA128ST adapters nee d an NT1 device to connect to the ISDN switch, but the MTA128NT adapter does not require NT1 device.
Introduction and Description 7 LED Indicators The ten LED indicators on the front pane l (see figure below) of the MTA1 28ST/N T report status and line ac t iv it y . Transmit Data Flashes when data is bei ng transmitted (on for a space, off for a mark).
Introduction and Description 8 Data Protocol 128 LED P1 LED P2 LED V. 11 0 V .120 X.75 (1 channel) PPP (1 channel) MLPPP (2 channels) OFF ON.
Introduction and Description 9 Technical Specifications Trade Name Iway Hopper™ Model Number MTA128ST (International), M T A 1 2 8 N T Network Interfac e ST-Four-wire S/T interface NT-2-wire “U” interface Switch Compatibiltiy EuroISDN (ETSI/DSS1/NET3), VN4, INS64, U.
Hardware Installation 10 Chapter 2: Hardware Installation This chap ter shows you step-b y-step how to s et up your MTA1 28ST /NT terminal adapter (TA) to your co mp ut er , power, network terminator, and an auxiliary analog device. Pl ease follow these instructions carefu lly to a void damage to your TA.
Hardware Installation 11 Turn on the TA by sliding the power switch to ON and verify opera tion by observing the LEDs on the front panel. The LEDs first flash in a self-test pattern. Then the LS LED r emains on. If the TA does not appear to be working, Refer to Chapter 5 for tro ubleshooting hel p.
Configuration Utilities 12 Chapter 3: Config uration Utilities Introduction You can configure the MTA128ST/NT to match your ISDN se rvice and the remote terminal adapter (TA) wi th any of four methods listed below: • ISDN TA Configuration Utility This configuration utility is recommended for computers running Windows 98/NT/ME operating systems.
Configuration Utility 13 Vo i c e TE I___________________________________________ Voice TEI is the TEI assigned to the voice channel. Choi ces are: Auto TEI, a fixed TEI number, or Di sable.
Configuration Utility 14 V.120 Protocol —Similar to V.1 10 protocol, but provides rates u p to 64000 bps on each B channel. X.75 Protocol —Packet-switched ne twork protocol for international use. Layer 2 portion of this p rotocol is used commonly as a rate adaption protocol.
Configuration Utility 15 DCD Drop Time _____________________________________ Sets the time, in 0.1-second increments, that a carri er must be lost before the TA disconnects. The default value is 0.7 seconds; however, you can set it anywhere in the range 0–254 (0–25.
Configuration Utility 16 Configuring your TA If you use Windows 98/Me/NT, perform t he following procedure using the Confi guration Utility provided on your system CD. If you are using another operating system, you can configure the TA using the firmware-b as ed configuration utility or AT commands .
Configuration Utility 17 3. Searching for TA screen is displayed with please wait while the configuration utilit y searches for your ISDN TA(s ). This may take up to 20 seconds . Then the Searc hing for TA sc reen wi th Devic es have been identified. Please select a device to configure Click Next to continue.
Configuration Utility 18 5. The Network Switch Type screen is displayed with Pl ease select the settings for the Network Switch Ty pe. Select the network switch type you listed in t he Before You Start section of this chapter.
Configuration Utility 19 7. The TEI (Terminal Endpoint Identifier) scree n is displa yed with Please select the settings yo u would lik e fo r Data TEI and Voice TEI. The TEI is a unique number assigned to the TA at subscription time. The TEI is used by the telephone c en tra l office (CO) to identify the various TAs conne cted to the ISDN network.
Configuration Utility 20 and tracking. A SPID is assigned by yo ur local ISDN prov ider whe n you subscribe, they are in t h e f o rm o f a string of up to 20 character s. A SPID points to a specific location in the pr ovider’s central off ice mem ory where service and feature parameters are stored.
Configuration Utility 21 10. The Data Protocol Setu p screen is displayed with Please select the setting yo u desire for the Data P rot oco l. If you would like the TA to d etect th e data protocol of a n incoming data call and automatically change the TA’s protocol to match the incoming call, cli c k auto protocol detecti on check box.
Configuration Utility 22 12. The Port Cont rol Setup 1 screen is displayed with Please select the settings you would like for the DTR det ect time, DCD drop time, DTR, DSR, CTS, and DCD signals. lick Next when you have finished enteri ng your settings.
Configuration Utility 23 14. The POTS Port screen is displayed with Please select the setting s for the PORTS port. When your selections are compl ete, click Next. 15 The Save Configuration screen is displayed with Please ent er the name to store the configuration as in the .
Configuration Utility 24 16. The Load Configuration screen i s displayed wi th To load the configuration now, click Next. 17. Your ISDN TA is currently being configu red. When the F inish button bec omes active, click Finish. 18. The Configured screen is displayed.
AT Commands, S-Registe rs, & Result Cod es 25 Chapter 4: ATCommands, S-Registers, and Result C o d e s MTA128S T/NT Comma nds and S-Registers All references to “ TA” in this chapter refer to the MTA1 28 ST/NT. This chapter also assumes knowledge of issuing AT commands.
AT Commands, S-Registers, and Result Codes 26 AT Commands by Function Command Execution AT Attention code A / Repeat AT Command Return or Enter Command execution +++AT<CR> In-band escape code &l.
AT Command, S-Registers, and Result Codes 27 Sr = n Set S-register Sr? Read S-register Vn Verbose Result Codes &Wn Store Active Profile Xn Connect Messages Z Reset to Stored Profile &Zn= Store.
AT Commands, S-Registers, and Result Codes 28 S34 Maximum Escape Sequence Length S44 POTS Port Ring Frequency S45 Use Dial Tone From Central Office S46 Pulse-Dial Recognition S49 POTS Port Dial Tone Gain S50 Caller Line ID (CLI) S51 POTS Port Dial Tone Suppression S52 Auto-Protocol Detection S53 Maximum X.
AT Command, S-Registers, and Result Codes 29 Result Codes When the MTA128ST/NT receives an AT command from the co mputer or terminal, it attempts to execute the command, then sends a status message to the computer or terminal that reports t he result of the com man d.
AT Commands, S-Registers, and Result Codes 30 Making a Call Before you can place a data call, configure the MTA1 28ST/NT for the local swit ch type, serial port speed, and the data type of the ISDN device you want to call. See Chapte r 3, C onfiguration Utilities.
AT Command, S-Registers, and Result Codes 31 Answering Manually If your communication program is in terminal mode when the RING result code appears on your monitor, you can manually answer the call by typing ATA < cr > . Answering Automatically To cause the MTA128ST/NT to automatically answer a call: 1.
Troubleshooting 32 Chapter 5: Troubleshoot ing Troubleshooting the TA Introduction This chapter d escribes basic problems you may run into with your MTA128ST/NT and h ow to solve them. Y our MTA1 28ST/NT was thoroughly tested at the factory before it was shipped.
Troubleshooting 33 Debugging/Logging/Troubleshooting Commands The AT commands in this section can be used in a ttempting to troublesh oot or debug a current problem. Some commands may be enhanced or limited by the debugg ing/logging/troubles hooting S-regist ers.
Troubleshooting 34 • The MTA1 28ST/NT or powe r supply may be defec tive. If you have another Mu lti-Tech MTA1 28ST/N T, try swapping MTA128ST/NTs. If the problem goes away, th e first MTA128ST/NT or power supply may b e defective. Call Tech Support for assistance.
Troubleshooting 35 you should change their IRQs to unused one s, if possible. Right-cl ick on My Compute r, select Propertie s from the menu, click on the Device Manager tab, double-c l i ck o n Ports, then double-click on the Co mmunications Port your MTA1 28S T/NT is connec ted to.
Troubleshooting 36 You cannot place two simultaneous data calls • You may not have ordered an ISDN line configuration that supports two simultaneous calls. Check your contract or latest statement of service from your ISDN provider. Also, your ISDN provider may have programmed the swit ch incorrectly.
Troubleshooting 37 When using X.75 data pr otocol to transfer data via the Zmodem, the Zmodem displays Intermittent bad packet errors and data throughput dr ops. This occurs in cases when the X.75 packet size is greater than 1024 bytes and the terminal adapter sending the fi le has a fast seri al baud rate (e.
PPP/MLPPP 38 Chapter 6: Point -t o-Point Communications: PPP/MLPPP Bonding Using the &, I and + Characters You can use t he &, ! and + characters to b ond two chan nels togethe r when perfor ming channel bo nding (available only with the MLPPP protocol).
PPP/MLPPP MTA128ST/NT 39 If an outgoing analog c all is desired or there is an incoming analog call, a da ta channel can be bumped (removed) to allow analog POTS port use. Bandwidth-on-Demand (BO D) checks the data throughput to de termine whether a channel should be added or removed.
PPP/MLPPP 40 for a relatively long per iod of time (long Low Threshold Sampling Period [S62] with a small Low Throughput Threshold [S63]). • If data transmits or is received in bursts and the TA add.
Warranty, Service, and Tech Supp ort 41 Chapter 7: Warranty, Service, and Tech Support Multi-Tech Systems, Inc. Wa rranty & Repairs Policies Warranty Multi-Tech Systems, Inc.
Warranty, Service, and Tech Supp ort 42 Repair Procedures for International Customers (Outside U.S.A. and Canada) Your original point-of-purchase Reseller may offer t he quickest and most economical rep air option for your Multi-Tech product.
Appendice s MTA128ST/NT 43 AppendixA:Configuration Profiles Quick Setup Factory Profiles For quick setup, the MTA1 28ST/NT includes six Quick Setu p Facto ry Profiles, each of which is configured f or a specific type of port o peration.
44 Appendices Appendix B: Ordering Your ISDN Li ne There are two ways to specify your ISDN line confi guration to your service provide r. One is by using ISDN "ordering codes" i n which the user, th e Local Exch ange Carrier (L EC) or Internet Servi ce Provider (ISP) are using common no menclature t o describe eleme nts of service.
45 Appendices equipment to your p hone line. At this time the switch gives your d evice a Terminal Equipme nt Id en ti fie r ( TEI ) w hi ch is us ed fr om the n o n t o i den ti fy al l connection requests from that piece of equipment.
46 Appendices J3 (previously 'Generic Data J-1DN') This ISDN ordering code supports: • 2B Service, • alternate voice and data on one B, data only on other B channel, and • One directory number. J3 is not available on the Northe rn Telecom switch.
47 Appendices Ordering ISDN Without IOCs This sectio n guides you and yo ur telepho ne company in spe cifying and o btaining ISDN servi ce when IOCs are not used. To support most ISDN TA feat ures, your telephone service must meet certain requireme nts.
48 Appendices EKTS (Electronic Key Telephone Sets) Shared Directory Numbers Accept Special Type of Number Intercom Groups Modem Pools (Network Resource Selector) Message Waiting Hunting I nterLATA Competition 5b.
49 Appendices Number of CSV Calls: 2 CSV Bearer Chan nels: Any Number of CSD Calls: 2 Circuit Switched: Any Terminal Type Bearer Channel s: Type A Multipoint lines require the ph one company to create a SPID fo r each phone number on the line.
50 Appendices AppendixC: F CCand Canadian Regulat ion FCC 1. This equipme nt complies with Part 68 of the Federal Communications Commission (FCC) rules. On the outside surface of this equipment is a label that cont ains, amon g other information, the FCC registration number and ringer equivalence number ( REN).
Appendices 51 Canadian Limitations Notice Notice: The ringer equival ence number (REN) a ssigned to each terminal device provides an indication of the maximum number of terminals allowe d to be connected to a teleph one interface.
Appendices 52 AppendixD: Configuration Methods Firmware-based Configuration Utility 1. If you are using another operating system, turn on your computer and start your data communications p rogram. 2. The TR (Terminal Ready) LED lights to indicate that your computer is ready to communi cate with the TA.
Glossary MTA128ST/NT 53 Glossary Symbol 2B1Q (2 bits, 1 quarternary) — A line code at layer one f or th e BR I U interface . Two bits of data (2B) are mapped into one of four line val ues (1Q , or 1quarternary).
Glossary MTA128ST/NT 54 more than o ne bit is represented by a single c ycle of the carrier. BRI (basic rat e interface)—A lso called 2B+D. One of tw o f or ms o f ISDN service. BRI provides tw o 64 Kbps B-channels for video, vo ice or da ta, a nd one 16 Kbp s D-channel for control information.
Glossary 55 us er in f or mation. DTE is a telecomm unications term that usually refe rs to PCs, terminals, printers, etc. DTMF (dual-tone multifrequency)—A generic push- bu t to n c o n ce p t made popular by AT&T TouchTone. DTMF detection —A capability in some fax/da ta modems that ca n differe ntiate bet ween DT MF or fax calling tones.
Glossary MTA128ST/NT 56 organizat ion that prep ares standards fo r resolving communications i ssues and probl ems . L LA PB (Link Access Pr ocedure Ba lanced)—Bas ed o n t h e X. 2 5 Layer 2 specification. A full-duplex, point- to-point, bit-synchronous proto col c ommo nly u sed a s a data link c ontrol pr otocol to interface X .
Glossary 57 off-hoo k —The condition of a device that has a ccessed a phone line ( wit h or wi t ho ut u si ng t he l in e) . I n modem use, this is equivalent to a t el ephone handset being picked up. Dialing and transmission are all o we d, but incoming calls are not ans wered.
Glossary MTA128ST/NT 58 S S reference po int —Provides t he connecti on between N T2 equipment and the TA or TE-1. Can provide bot h primary a nd basic rate ser vice s.
Glossary 59 telematics —User-oriented ISDN information transfer se r vi c e s (e . g ., teletex , videotex, facsimile). Teleservices —A tele communication s service th at provides the compl ete capability for communication bet ween sub scri ber s acc ord ing to protocols agreed to by RPOAs.
Index MTA128ST/NT 60 Index A a n s w e r i n g a c a l l manually 33 Appendix A:Configuration P ro f i l e s 48 Appe ndix C: Ordering Your ISDN Line 49 ISDN, ordering 49 Appendix D: FCC and Canad ian .
Index 61 IRQ conflicts 37 ISDN BRI Line 5 ISDN line 37 ISDN, ordering 49 ISDN Solutions Group 50 ISDN TA Configuration utility 13 L LED Indicators Link Status 8 LED indicators 10, 36 128 Kbps 8 Bearer.
An important point after buying a device Multi Tech Equipment MTA128ST (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Multi Tech Equipment MTA128ST 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 Multi Tech Equipment MTA128ST - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Multi Tech Equipment MTA128ST you will learn all the available features of the product, as well as information on its operation. The information that you get Multi Tech Equipment MTA128ST will certainly help you make a decision on the purchase.
If you already are a holder of Multi Tech Equipment MTA128ST, 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 Multi Tech Equipment MTA128ST.
However, one of the most important roles played by the user manual is to help in solving problems with Multi Tech Equipment MTA128ST. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Multi Tech Equipment MTA128ST 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
