Multi-Tech Systems MTA128ST manuale d’uso

User Guide Models MT A128ST and MT A128NT External ISDN T erminal Adapter[...]

User Guide Model MTA128ST/NT S000305B Rev. B This publication may not be reproduced, in whole or in part, without prior written permission from Multi-Tech Sys- tems, Inc. All rights reserved. Copyright © 2004 by Multi-Tech Systems, Inc. Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifi-[...]

C C C C C ont ont ont ont ont ents ents ents ents ents Chapter 1: Introduction and Description ....................................................................................... .............................. 4 W elcome to the world of ISDN comm unications. .......................................................................................[...]

Introduction and Description MT A128ST/NT 4 C C C C C hapt hapt hapt hapt hapt er 1: Intr er 1: Intr er 1: Intr er 1: Intr er 1: Intr o o o o o duc duc duc duc duc tion and D tion and D tion and D tion and D tion and D escription escription escription escription escription W elcome to the world of ISDN communications. Y ou hav e acquired one of the[...]

Introduction and Description MT A128ST/NT 5 This manual documents the f ollowing models: • MT A128ST for S/T interf ace with one PO TS por t • MT A128NT for U interf ace with one PO TS por t Some analog de vices, including telephone set, ans wering machine, and modem, can be connected to the PO TS por t via an RJ-11 jac k. This User Guide will [...]

Introduction and Description MT A128ST/NT 6 If your ISDN product oper ates with a S/T outlet interface , you need an NT1 de vice to connect to the ISDN s witch. MT A128ST adapters need an NT1 de vice to connect to the ISDN switch, b ut the MT A128NT adapter does not require NT1 device . In the UK, and in many European countries, NT1 de vice is supp[...]

Introduction and Description MT A128ST/NT 7 U Interface The U interface uses a 2-conductor twisted pair cab le terminated with an RJ-45 jack. An RJ-45 jack located on the terminal is used to connect the ter minal to the Digital Subscriber Loops using this twisted pair cable . In T able 2-2 the Pin Number , T er minal Pin Signal Name and UILC Pin Si[...]

Introduction and Description MT A128ST/NT 8 LED Indicators The ten LED indicators on the front panel (see figure below) of the MT A128ST/NT repor t status and line activity . TD T ransmit Data Flashes when data is being transmitted (on f or a space, off f or a mar k). RD Receive Data Flashes when data is being received (on f or a space, off f or a [...]

Introduction and Description MT A128ST/NT 9 Data Protocol 128 LED P1 LED P2 LED V. 1 1 0 V .120 X.75 (1 channel) PPP (1 channel) MLPPP (2 channels) OFF ON[...]

Introduction and Description MT A128ST/NT 10 T echnical Specifications T rade Name IW ay Hopper™ Model Number MT A128ST (Inter national), MT A128NT Network Interface ST -F our-wire S/T interface NT– 2-wire “U” interf ace Switch Compatibility EuroISDN (ETSI/DSS1/NET3), VN4, INS64, U .S. NI-1, A T&T 5ESS, DMS-100 (both models suppor t all[...]

Hard ware Installation MT A128ST/NT 11 Safety W arnings • Use this product only with UL-listed and CUL-listed computers. • Ne ver install phone wiring during a lightning stor m. • Ne ver install a phone jac k in a wet location unless the jac k is specifically designed for wet locations. • Ne ver touch uninsulated phone wires or terminals un[...]

Hard ware Installation MT A128ST/NT 12 Connect the T A to the AC Power Outlet Plug the DC pow er transformer into an AC po wer outlet or power strip . Plug the DC pow er transformer into the POWER jac k on the T A. Note: Use only the DC power transformer supplied with the TA. Use of any other transformer voids the warranty and can damage the TA. T [...]

Configuration Utilities MT A128ST/NT 13 C C C C C hapt hapt hapt hapt hapt er 3: C er 3: C er 3: C er 3: C er 3: C onf onf onf onf onf igur igur igur igur igur ation Utilities ation Utilities ation Utilities ation Utilities ation Utilities Introduction Y ou can configure the MT A128ST/NT to match your ISDN service and the remote ter minal adapter ([...]

Configuration Utilities MT A128ST/NT 14 The Data MSN (multiple subscriber number) allows a caller to specify an individual T A when more than one T A is connected to you network ter minator . If you don’t assign a value to the MSN, the T A accepts all incoming calls. If you only assign a base address to the MSN, the T A accepts any incoming call [...]

Configuration Utilities MT A128ST/NT 15 V .120 Protocol —Similar to V .110 protocol, but pro vides rates up to 64000 bps on each B channel. X.75 Protocol —P ack et-switched network protocol for international use. Lay er 2 por tion of this protocol is used commonly as a rate adaption protocol. MLPPP Protocol —MLPPP (Multi-Link PPP) protocol pr[...]

Configuration Utilities MT A128ST/NT 16 DTR Control _________________________________ A high DTR (Data T er minal Ready) signal on the RS232 serial por t indicates your computer or terminal is ready to communicate with your T A. It nor mally goes high when a comm unication program star ts or is ready to dial. Nor mal causes the T A to break the lin[...]

Configuration Utilities MT A128ST/NT 17 Configuring y our T A If you use Windows 98/Me/NT , perform the follo wing procedure using the Configuration Utility provided on your system CD . If you are using another operating system, y ou can configure the T A using the fir mware- based configuration utility or A T commands. Procedures for using the fir[...]

Configuration Utilities MT A128ST/NT 18 3. Searching for TA screen is displayed with please wait while the configuration utility searches for your ISDN TA(s). This may take up to 20 seconds. Then the Searching for TA screen with Devices have been identified. Please select a device to configure Click Next to continue. 4. The Configuration screen is [...]

Configuration Utilities MT A128ST/NT 19 5. The Network Switch Type screen is displayed with Please select the settings for the Network Switch Type. Select the network switch type you listed in the Before You Start section of this chapter. 6. Please select the settings for dynamic bandwidth allocation, high and low sampling period and throughput, an[...]

Configuration Utilities MT A128ST/NT 20 7. The TEI (Terminal Endpoint Identifier) screen is displayed with Please select the settings you would like for 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 central office (CO) to identify the various TAs connected to the ISDN ne[...]

Configuration Utilities MT A128ST/NT 21 SPID is only used in North America. A SPID is the ISDN network parameter for local terminal identification and tracking. A SPID is assigned by your local ISDN provider when you subscribe, they are in the form of a string of up to 20 characters. A SPID points to a specific location in the provider’s central [...]

Configuration Utilities MT A128ST/NT 22 10. The Data Protocol Setup screen is displayed with Please select the setting you desire for the Data Protocol. If you would like the TA to detect the data protocol of an incoming data call and automatically change the TA’s protocol to match the incoming call, click auto protocol detection check box. Click[...]

Configuration Utilities MT A128ST/NT 23 12. The Port Control Setup 1 screen is displayed with Please select the settings you would like for the DTR detect time, DCD drop time, DTR, DSR, CTS, and DCD signals. Click Next when you have finished entering your settings. 13. The Port Control Setup II screen is displayed with Please select the settings yo[...]

Configuration Utilities MT A128ST/NT 24 14. The POTS Port screen is displayed with Please select the settings for the PORTS port. When your selections are complete, click Next . 15. The Save Configuration screen is displayed with Please enter the name to store the configuration as in the .ini file. You can enter any name up to 35 characters or less[...]

Configuration Utilities MT A128ST/NT 25 16. The Load Configuration screen is displayed with To load the configuration now, click Next . 17. Your ISDN TA is currently being configured. When the Finish button becomes active, click Finish . 18. The Configured screen is displayed. Click Finish to exit the Configuration Utility.[...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 26 C C C C C hapt hapt hapt hapt hapt er 4: A er 4: A er 4: A er 4: A er 4: A T C T C T C T C T C ommands, S-R ommands, S-R ommands, S-R ommands, S-R ommands, S-R egist egist egist egist egist ers, and R ers, and R ers, and R ers, and R ers, and R esult C esult C esult C esult C esult C o o [...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 27 AT Attention code A / Repeat AT Command Return or Enter Command execution +++AT<CR> In-band escape code <BREAK>AT<CR> Out-of-band escape code General Information Commands In Display Product Information Ln List Active Profile Information !L Display Network Configuration &[...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 28 En Command Mode Echo %En Escape Sequence Options &Fn Load Factory Profile %Mn Management Mode Qn Quiet Mode 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 Telephone Number !Z=n R[...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 29 S-Registers S-registers are sections of memory in which values are stored that aff ect how the T A operates. S-registers are so-called because each has a name that begins with the character S. Use the S r = n command to assign a value to an S-register or use the S r ? command to read the [...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 30 S63 Bandwidth-On-Demand (BOD) Low Throughput Threshold S64 Call Bumping (CB) S65 POTS Call Bump Forwarding Delay S66 Country Selections for POTS Ring Signal S67 Single or Dual Cadence POTS Ring Signal S68 POTS Ring Signal First Active Duration S69 POTS Ring Signal First Idle Duration S70 [...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 31 Result Codes When the MT A128ST/NT receives an A T command from the computer or ter minal, it attempts to e x ecute the command, then sends a status message to the computer or ter minal that reports the result of the command. The MT A128ST/NT provides y ou with sev eral of these response [...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 32 • Data Mode —MTA128ST/NT enters data mode when it makes a successful data communications link with a remote device. In data mode, the TA can send and receive data, but it does not respond to AT commands. Instead it treats them as data and transmits them to the remote device. • Onlin[...]

A T Commands, S-Registers , and Result Codes MT A128ST/NT 33 Displaying a Stored Number T o display a stored telephone number , type &Zn? in terminal mode, where n is the memor y register in which the number is stored. For e xample, type A T&Z5? <cr> to display the telephone n umber in memor y register 5. T o list all ten telephone nu[...]

T roub leshooting MT A128ST/NT 34 C C C C C hapt hapt hapt hapt hapt er 5: T er 5: T er 5: T er 5: T er 5: T r r r r r oublesho oublesho oublesho oublesho oublesho oting oting oting oting oting T roub leshooting the T A Introduction This chapter describes basic problems you ma y r un into with y our MT A128ST/NT and how to solv e them. Y our MT A12[...]

T roub leshooting MT A128ST/NT 35 SITU A TION 4: The autobauding code does not repor t the n umber of stop bits. This may become a prob lem if the terminal is expecting a cer tain number of stop bits. The addition of the %S3 command and use of $SB n , @P3= n , @P4 = n , and @P6= n will help work around this limitation. See the description f or the [...]

T roub leshooting MT A128ST/NT 36 None of the LEDs light when the MTA128ST/NT is on When you turn on the MT A128ST/NT , the LED indicators on the front panel should flash br iefly as the T A runs a self-test. If the LEDs remain off , the T A probab ly is not receiving power . • Make sure the MTA128ST/NT’s power switch is on, especially if you n[...]

T roub leshooting MT A128ST/NT 37 • Is this the first time you have used the cable? If so, check the cable description on the packaging to make sure the cable is correct for your computer. • Peripheral expansion cards, such as bus mouse and sound cards, may include a serial port preconfig- ured as COM1 or COM2. The extra serial port, or the car[...]

T roub leshooting MT A128ST/NT 38 • If the MTA128ST/NT reports NO DIALTONE , check that the ISDN S/T cable is securely connected to both the TA’s ISDN jack (not the PHONE jack) and the ISDN network terminator or wall jack. If the cable looks secure, try replacing it. If that doesn’t work, the problem may be in your building’s telephone inst[...]

T roub leshooting MT A128ST/NT 39 File transfer appears slower than it should be • If you have a Universal Asynchronous Receiver/Transmitter (UART) that is compromising data throughputs, we recommend replacing it with a special I/O card. • If you are running under Windows 3.1 and have a 16550AFN UART, replace the Windows serial driver, COMM.DRV[...]

T roub leshooting MT A128ST/NT 40 The MTA128ST/NT receives garbage characters after receiving several good characters when connected to a 3Com Sonix adapter. Most likely , the Sonix has compression tur ned on. The compression used by the Sonix is incompatib le with the compression used by the MT A128ST/NT . Disconnect the data connection and the gi[...]

PPP/MLPPP MT A128ST/NT 41 C C C C C hapt hapt hapt hapt hapt er 6: P er 6: P er 6: P er 6: P er 6: P oint-t oint-t oint-t oint-t oint-t o-P o-P o-P o-P o-P oint C oint C oint C oint C oint C ommunic ommunic ommunic ommunic ommunic ations: PPP/MLPPP ations: PPP/MLPPP ations: PPP/MLPPP ations: PPP/MLPPP ations: PPP/MLPPP Bonding Using the &, ! an[...]

PPP/MLPPP MT A128ST/NT 42 If throughput drops below a given threshold, the second channel is remo v ed to sav e the cost of having the second B-channel active b ut not fully used. If an outgoing analog call is desired or there is an incoming analog call, a data channel can be bumped (remov ed) to allow analog PO TS por t use. Bandwidth-on-Demand (B[...]

PPP/MLPPP MT A128ST/NT 43 • Ideally, the second channel should be added quickly (short High Threshold Sampling Period [S60] with a relatively small High Throughput Threshold [S61] ). Also, the second channel should not be disconnected for a relatively long period of time (long Low Threshold Sampling Period [S62] with a small Low Throughput Thresh[...]

W arranty , Service, and T echnical Suppor t MT A128ST/NT 44 C C C C C hapt hapt hapt hapt hapt er 7: W er 7: W er 7: W er 7: W er 7: W arr arr arr arr arr ant ant ant ant ant y y y y y , S , S , S , S , S er er er er er vic vic vic vic vic e, and T e, and T e, and T e, and T e, and T ech S ech S ech S ech S ech S upp upp upp upp upp or or or or or[...]

W arranty , Service, and T echnical Suppor t MT A128ST/NT 45 Repair Procedures for International Customers (Outside U.S.A. and Canada) Y our original point of purchase Reseller may off er the quick est and most economical repair option f or your Multi-T ech product. Y ou ma y also contact an y Multi-T ech sales office for inf or mation about the ne[...]

W arranty , Service, and T echnical Suppor t MT A128ST/NT 46 Please direct your questions regarding technical matters , product configuration, v erification that the product is defectiv e, etc., to our T echnical Suppor t depar tment at 800 972-2439 or e-mail tsuppor t@m ultitech.com . Please direct your questions regarding repair e xpediting, rece[...]

W arranty , Service, and T echnical Suppor t MT A128ST/NT 47 T echnical Suppor t Multi-T ech Systems has an excellent staff of technical suppor t personnel a vailab le to help you get the most out of your Multi-T ech product. If you ha ve an y questions about the operation of this unit, please call 800 972-2439 (USA and Canada) or 763 785-3500 (int[...]

Appendices MT A128ST/NT 48 App App App App App endix A:C endix A:C endix A:C endix A:C endix A:C onf onf onf onf onf igur igur igur igur igur ation P ation P ation P ation P ation P r r r r r of of of of of iles iles iles iles iles Quick Setup F actory Pr ofiles F or quick setup , the MT A128ST/NT includes six Quick Setup F actory Profiles, each of[...]

Appendices MT A128ST/NT 49 App App App App App endix B: Or endix B: Or endix B: Or endix B: Or endix B: Or dering Y dering Y dering Y dering Y dering Y our ISDN L our ISDN L our ISDN L our ISDN L our ISDN L ine ine ine ine ine There are two wa ys to specify y our ISDN line configuration to your service provider . One is by using ISDN "ordering[...]

Appendices MT A128ST/NT 50 Bearer Service The options of Circuit Switch V oice Bearer (CSV) and Circuit Switch Data Bearer (CSD) are broad categories of Bearer Ser vices that the phone companies can pro vide. Different bearer services provide different types of guar antees about the reliability and synchronization of the data. There are currently t[...]

Appendices MT A128ST/NT 51 I2 (previously "Generic Data I-1DN") This ISDN ordering code suppor ts: • 2B Ser vice , • Data only on each B channel, and • One director y number . I2 is not av ailable on the Norther n T elecom switch. T wo director y n umbers are required f or 2B operation; in this case use J2. J2 (previously "Gene[...]

Appendices MT A128ST/NT 52 Ordering ISDN Without IOCs This section guides you and y our telephone company in specifying and obtaining ISDN ser vice when IOCs are not used. T o suppor t most ISDN T A features , your telephone ser vice m ust meet cer tain requirements. These requirements are described in the follo wing sections. Some f eatures ma y b[...]

Appendices MT A128ST/NT 53 T ur n these f eatures OFF: P ac ket Mode Data MultiLine Hunt Multiple Call Appearances EKTS (Electronic K ey T elephone Sets) Shared Directory Numbers Accept Special T ype of Number Intercom Groups Modem P ools (Networ k Resource Selector) Message W aiting Hunting InterLA T A Competition 5b. Nor thern T elecom DMS-100 : [...]

Appendices MT A128ST/NT 54 The requirements for the 5ESS line are sho wn below: B1 Service: DMD (On-demand) B2 Service: DMD (On-demand) Data Class Line: PM (P oint-to-MultiP oint) Max. B Channels: 2 Number of CSV Calls: 2 CSV Bearer Channels: Any Number of CSD Calls: 2 Circuit Switched: Any T erminal T ype Bearer Channels: T ype A Multipoint lines [...]

Appendices MT A128ST/NT 55 Line T ype: Basic r ate , functional EKTS: No CA CH: No Initializing terminal: Y es Bearer ser vices: Circuit-s witched v oice & data per mitted (Pac k et mode data not per mitted) Circuit- s witched ser vice: Y es P ac ket-s witched ser vice: No Protocol version: Functional Pvc1 TEI: Dynamic[...]

Appendices MT A128ST/NT 56 App App App App App endix C: FC endix C: FC endix C: FC endix C: FC endix C: FC C and C C and C C and C C and C C and C anadian R anadian R anadian R anadian R anadian R egulation egulation egulation egulation egulation FCC 1. This equipment complies with P ar t 68 of the F ederal Comm unications Commission (FCC) r ules. [...]

Appendices MT A128ST/NT 57 Canadian Limitations Notice Notice: The ringer equivalence n umber (REN) assigned to each ter minal de vice provides an indication of the maximum number of terminals allowed to be connected to a telephone interf ace. The termination of a interface ma y consist of any combination of devices subject only to the requirement [...]

Appendices MT A128ST/NT 58 App App App App App endix D: C endix D: C endix D: C endix D: C endix D: C onf onf onf onf onf igur igur igur igur igur ation Metho ation Metho ation Metho ation Metho ation Metho ds ds ds ds ds Firmware-based Configuration Utility 1. If you are using another operating system, turn on your computer and start your data com[...]

Glossary MT A128ST/NT 59 Glos Glos Glos Glos Glos sar sar sar sar sar y y y y y Symbol 2B1Q (2 bits, 1 quarternary) — A line code at layer one for the BRI U interface. T wo bits of data (2B) are mapped into one of four line values (1Q, or 1quarternary). This coding scheme allows a single copper pair to carry 160 Kbps of information bidirectionall[...]

Glossary MT A128ST/NT 60 bus— A common channel between hardware devices, either inter- nally between components in a computer , or externally between stations in a communications network. byte— A unit of information consisting of eight binary digits (bits). A byte holds the equivalent of a single or character (such as the letter A). C Call Bump[...]

Glossary MT A128ST/NT 61 been approved by a regulatory group. exchange area— A geographical area with a uniform set of charges (tariffs), approved by a regulatory group for telephone services. Calls between any two points within an exchange area are local calls. See digital PBX and PBX . F fax (facsimile)—Refers to the bit-mapped rendition of a[...]

Glossary MT A128ST/NT 62 compressed in a secure manner before being encrypted with a private (secret) key under public-key cryptisystem. MLPPP (Multilink Point-to-Point Protocol, also the PPP Multilink Pr otocol or MP )—is an Internet standards track protocol for a methyod of splittingm recombining, and sequencing datagrams across multiple logica[...]

Glossary MT A128ST/NT 63 information. Usually used to connect high-cpacity CPE, such as PBXs, to the network. Also called 23B+D in the U.S. and 30B+D in Europe.) See also ISDN and BRI . primitive —An abstract representation of interaction accross the access points indicating that information is being passed between the service user and the servic[...]

Glossary MT A128ST/NT 64 data to it at 56 Kbps. It is a relatively low cost service, widely used in North America for telecommuting, videoconferencing and high speed data transfers. Many phone companies are phasing out switched 56 in favor of ISDN service. switched line —In communications, a physical channel established by dynamically connecting [...]

Inde x MT A128ST/NT 65 Index Index Index Index Index A answering a call manually 33 Appendix A:Configuration Profiles 48 Appendix C: Ordering Y our ISDN Line 49 ISDN, ordering 49 Appendix D: FCC and Canadian Regulation 56 FCC Canadian Regulation 56 Appendix E: Configuration Methods Configuration Methods 58 async data format 10 A T commands !C0= 13 [...]

Inde x MT A128ST/NT 66 ISDN line 37 ISDN, ordering 49 ISDN Solutions Group 50 ISDN T A Configuration utility 13 L LED Indicators Link Status 8 LED indicators 10, 36 128 Kbps 8 Bearer Channel 1 8 Bearer Channel 2 8 Data Protocol 8 Link Status 8 Off Hook 8 Receive Data 8 T erminal Ready 8 Transmit Data 8 Loop Qualification 49 M manual organization 9 [...]