Avaya 6424D+M User Manual

[Page 1] Avaya 6424D+M

AT&T 555-021-729 Issue 1 November 1991 DEFINITY® Communications System ISDN Asynchronous Data Module Feature Package 3 User Manual ...

[Page 2] Avaya 6424D+M

NOTICE While reasonable efforts were made to ensure that the information in this document was complete and accurate at the time of printing, AT&T can assume no responsibility for any errors. Changes or corrections to the information contained in...

[Page 3] Avaya 6424D+M

Contents 1 Chapter 1 Introduction 1-1 Data Features 1-2 The System Administrator: An Important Note to All Users 1-3 On the ISDN Network: An Important Note on System Dependencies 1-3 Organization of the Users Manual 1-4 2 Chapter 2 Getting Starte...

[Page 4] Avaya 6424D+M

6 Chapter 6 Technical Information 6-1 EIA-232-D Lead Operation 6-1 Packet Assembler Disassembler (PAD) Capabilities 6-4 Messages on the Voice Terminal or the Attached Data Terminal Displays 6-7 7 Troubleshooting Troubleshooting 7-1 Use of the Data ...

[Page 5] Avaya 6424D+M

Introduction Congratulations on the addition of an Asynchronous Data Module (ADM II) to your AT&T Integrated Services Digital Network (ISDN) set. Following our tradition of excellent quality and high reliability, the ADM is designed to provide y...

[Page 6] Avaya 6424D+M

Data Features Asynchronous full-duplex operation at data rates from 1200 bits per second (bps) to 57.6 kilobits per second (Kbps) through an EIA-232-D interface. X.25 packet switched data communication including receipt of X.29 commands from a remote...

[Page 7] Avaya 6424D+M

The System Administrator: An Important Note to All Users Throughout this manual, we ask you to speak to your "system administrator." In your company, it is the person who has been given overall responsibility for the ISDN — including al...

[Page 8] Avaya 6424D+M

Organization of the User´s Manual This manual is arranged into the following chapters. Chapter 1: Introduction Chapter 2: Getting Started — Explains how to set some data options from the keypad and how to make a data call. Chapter 3: Using the CMD...

[Page 9] Avaya 6424D+M

Getting Started This chapter explains how to prepare your Asynchronous Data Module (ADM) for data operations and how to make data calls. Communicating With The ADM You can "talk" to the ADM through an attached data terminal by means of comm...

[Page 10] Avaya 6424D+M

Local Mode In local mode, commands typed at the data terminal keyboard are read, interpreted, and acted upon by the ADM to make and end data calls as well as to modify data option values. There are two varieties of local mode: local-idle and local-d...

[Page 11] Avaya 6424D+M

uncorrected (UI-frame) mode connections over 56 Kbps facilities. The data mode option setting must correspond to the capabilities administered on your ISDN telephone line. Contact your System Administrator for information on the proper setting of th...

[Page 12] Avaya 6424D+M

If you are viewing the options, press # to continue stepping through the display of all the options. Press * to quit once you have viewed the options. (When viewing the options, the currently active values are displayed.) If you are changing opti...

[Page 13] Avaya 6424D+M

Press 4 for odd. You hear a rising two-tone confirmation. 6 Select your desired Local Mode setting. Press 1 for CMD. (default setting) Press 2 for off. Press 3 for AT. Press 4 for Enhanced AT. You hear a rising two-tone confirmation. After...

[Page 14] Avaya 6424D+M

Making a Data Call You can use the keypad of your ISDN set to initiate a data call, or you can initiate it from your data terminal or PC. If you initiate the call from your data terminal or PC, you can use CMD commands or AT commands. Check the doc...

[Page 15] Avaya 6424D+M

2 At the CMD: prompt, type dial and the telephone number. For example, type dial 5551212 . Note: When dialing, type: dial ; then one (and only one) space; then the number. Strict adherence to this format is necessary. For example, typing dial...

[Page 16] Avaya 6424D+M

Making a Data Call From a Terminal or PC Using AT Local Mode Commands The Local Mode data option must be set for AT Local Mode. See the earlier section, "Setting Options To Make a Data Call". 1 Turn on your data terminal or PC. If you are ...

[Page 17] Avaya 6424D+M

Using the CMD and AT Commands When to Type Commands You can only type commands using the data terminal keyboard to dial calls, program, and maintain your system when your ADM is in Local Mode. When your ADM is in CMD Local Mode or AT Local Mode, you...

[Page 18] Avaya 6424D+M

Using CMD Local Mode Commands This section provides a list of the CMD commands, has information on getting on-screen help with commands, and procedures for using the commands. To execute a command, type the command, then press RETURN . You must pre...

[Page 19] Avaya 6424D+M

Help for CMD Commands You can ask for help any time that you have a CMD: prompt on the screen. When you type help , the system displays the following screen: CMD: help Type HELP and the topic you want to learn more about. Examples: help test, h a...

[Page 20] Avaya 6424D+M

CMD: help end The ADM responds: Type END to end a data call in progress. Abbreviating CMD Commands You can abbreviate command names. You need only type the "unique" part of the name (See Table 3-1). For example, dial becomes d, and conti...

[Page 21] Avaya 6424D+M

Changing from CMD Local Mode to AT Local Mode To change from CMD local mode to AT local mode, at the CMD: prompt, type &&h and press RETURN . The ADM responds: AT COMMAND MODE . X.25 Call Options If you are using the DX.25 Data Mode, you...

[Page 22] Avaya 6424D+M

Programming Telephone Numbers for Memory Dialing You can program up to nine telephone numbers for memory dialing of data calls and assign them customized names for easy access. Up to 30 digits can be entered. These numbers are labeled m1 through m9...

[Page 23] Avaya 6424D+M

Memory Dialing The ADM dials the number and loads any data profile that was stored with the telephone number. For example, use the following command to dial a number stored at memory location 1: At the CMD: prompt, type dial m1 or dial name or j...

[Page 24] Avaya 6424D+M

Using AT Local Mode Commands The AT Local Mode provides an interface similar to that available on many popular modems. In particular, the AT mode is appropriate when using a PC with communications software that uses AT commands. If you need to use A...

[Page 25] Avaya 6424D+M

Changing from AT Local Mode to CMD Local Mode To exit AT mode and return to the CMD local mode, type: at&&t or at&&a If there is no data call active, the ADM responds: Call Status: Idle Type H for help CMD: If there is a data call act...

[Page 26] Avaya 6424D+M

Table 3-2: AT Commands and Applications Command Application ata To answer an incoming call atd <string> or To dial a data call atdt<string> atdp<string> To dial a voice call from the terminal keyboard ate or ate0 To disable command...

[Page 27] Avaya 6424D+M

S-Registers The S-registers provide a means of changing or reading selected ADM options. In most cases, the values defined for the S-registers listed in Table 3-3 are acceptable. However, if the values are not acceptable, use the information below ...

[Page 28] Avaya 6424D+M

Dialing a Voice Call To dial a voice call from your PC or terminal keyboard type: atdp 5551212 and press RETURN where 5551212 is the telephone number you are calling. Depending on your ISDN set’s configuration, the ADM may automatically turn on ...

[Page 29] Avaya 6424D+M

Data Options and Profiles The ADM stores data options (configuration information) to tell it how to communicate with the far end. The options, listed in Table 4-1, are explained in this chapter. For most applications, you’ll find that the CMD Loca...

[Page 30] Avaya 6424D+M

Table 4-1: Data Option Values Option Possible Values Answer auto, manual Attention off, 3 of the same ASCII character (+++) Autoadjust on, off Break off, attention, interrupt, break, discard, reset bs Ctrl - H , delete DEL , #, offChar.erase D...

[Page 31] Avaya 6424D+M

Data Option Definitions The following descriptions assume single-stream operation which is the case when API is not being used. Refer to the ISDN Application Programming Interface Programmer’s Manual for more information on single-stream and autos...

[Page 32] Avaya 6424D+M

Autoadjust Option Values: on, off Applicable Data Protocols: All If Autoadjust is on, the ADM automatically adjusts to the speed and parity of your attached data terminal when you press BREAK , type AT , then press RETURN . After this sequence...

[Page 33] Avaya 6424D+M

DCD (Data Carrier Detect) Option Values: follow, ignore Applicable Data Protocols: All This option determines whether the ADM turns on the Data Carrier Detect (DCD) lead when a data call is in progress, and off when one is not (follow), or whether ...

[Page 34] Avaya 6424D+M

If you select on, the ADM echos characters sent by your data terminal during Data Mode. Select on if your host computer or other data endpoint does not echo characters. In addition, you will want to turn your data terminal’s echo capability off. I...

[Page 35] Avaya 6424D+M

Forwarding Option Values: off, cr (carriage return), ctrl (all control characters and DEL), alpha (all alphanumerics), all (all characters) Applicable Data Protocols: X.25, Mode 3, BV64I, BV56I The ADM sends data through the network in packets if t...

[Page 36] Avaya 6424D+M

Like Char.erase, Line.erase is enabled only when Edit is enabled. Select the character that best meets your needs. If you do not have a CANCEL key on your data terminal, you can hold down CONTROL and press X . To use NAK, hold down CONTROL a...

[Page 37] Avaya 6424D+M

Local.lf Option Values: Any ASCII character except NUL, SOH, Ctrl - X , Ctrl - U , Ctrl - S , or BS (default = LF) Applicable Data Protocols: N/A This option selects the character used as a linefeed during transmission of responses to Lo...

[Page 38] Avaya 6424D+M

approximately 10 milliseconds, then packets are transmitted to the network without artificial delay. This is the case for a person typing. If characters are received more closely spaced in time than as described above, characters are assembled into ...

[Page 39] Avaya 6424D+M

Note: Mode 2 and Mode 3 are defined in the AT&T Digital Multiplexed Interface (DMI) Technical Specification. For a copy of this manual, Document 555-025-204, call the Customer Information Center at 1-800-432-6600. DX25 An abbreviation for D-Chan...

[Page 40] Avaya 6424D+M

asynchronous data character end-to-end as information, rather than checking or generating a parity bit. V.120 data calls are accepted by your ADM from endpoints provided that the parity setting carried within the call setup information indicates a va...

[Page 41] Avaya 6424D+M

Speed Option Values: 1200, 2400, 4800, 9600, 19.2, 38.4, 57.6 Kbps Applicable Data Protocols: All Use this option to change the speed at which data communications take place. To set this option from an asynchronous attached terminal, do the follow...

[Page 42] Avaya 6424D+M

This option determines which method is used to control the flow of data from your data terminal to the ADM. When you select xon/xoff, the ADM sends your data terminal an xoff character (with current parity) when it is not ready to receive data. The ...

[Page 43] Avaya 6424D+M

Data Option Profiles This section describes the available data options profiles and how to create and use your own profiles. Types of Data Option Profiles A data option profile is a group of option settings. You create a profile by selecting values ...

[Page 44] Avaya 6424D+M

The system responds: pA updated To replace one stored profile with another, copy the replacement profile to the replaced profile; for example, type: copy p2 to p1 The above command copies the values of p2 into p1 so they are identical. Table 4-2 summ...

[Page 45] Avaya 6424D+M

1 At the CMD: prompt, type program p1 and press RETURN . The ADM displays the current option values for p1 and prompt: Type option name (or Q to quit): 2 Type the name of the option (for example, answer) that you want to change and press RETURN ...

[Page 46] Avaya 6424D+M

For example: set echo set text Note: Values in pA are not automatically stored. Unless you only want to temporarily change options, it is important to save any changes by copying pA to one of the stored profiles. In the event of a power failure, pA ...

[Page 47] Avaya 6424D+M

Replacing One Stored Profile With Another To replace one stored profile with another, type copy replacement profile to replaced profile. For example, type: copy p0 to p1 replaces the values of p1 with the values of p0. Note: In all of the above c...

[Page 48] Avaya 6424D+M

Typical Data Option Settings for Data Transfer This section describes the options you may need to modify for three common types of data transfer. Character by Character Transmission or ASCII File Transfer For typical character by character data trans...

[Page 49] Avaya 6424D+M

greater than 19.2 Kbps. For these data modes, you may or may not be able to successfully transfer files at speeds as high as 38.4 or 57.6 Kbps. Worksheet — Option Profile Settings Complete the following worksheet to record your desired option prof...

[Page 50] Avaya 6424D+M

...

[Page 51] Avaya 6424D+M

Testing You can perform three tests on your ADM: local loopback test, remote loopback test, and self- test. Taken together, these three tests help you to isolate data communications problems. Local Loopback Test The purpose of the local loopback tes...

[Page 52] Avaya 6424D+M

Remote Loopback Test This test requires compatible AT&T equipment at the remote end. The remote loopback test ensures that no problems with data transmission are occurring in the data transfer circuit. When you initiate a remote loopback test, d...

[Page 53] Avaya 6424D+M

Self-Test The self-test can be used to reset the data options in the Active profile. Unlike the Data ZAP command (see "Use of the Data ZAP Command to Clear a Lock-up ADM" in the Troubleshooting section), which resets the options to factory ...

[Page 54] Avaya 6424D+M

...

[Page 55] Avaya 6424D+M

Technical Information EIA-232-D Lead Operation The following description assumes single-stream operation which is the case when API is not being used. Refer to the ISDN Application Programming Interface Programmer’s Manual for more information on ...

[Page 56] Avaya 6424D+M

In the data mode, data transmitted to the data terminal consists of one start bit, eight information bits, and one stop bit. The parity of data received from the network is transported to the data terminal without alteration, except if requested to ...

[Page 57] Avaya 6424D+M

Pin 20 — Data Terminal Ready (CD) This circuit allows the attached terminal to control the ADM’s connection to the network. When the DTR option is set to FOLLOW, the ADM requires an ON condition to interact with the attached terminal or to initi...

[Page 58] Avaya 6424D+M

Packet Assembler Disassembler (PAD) Capabilities The ADM options provide capabilities outlined in the CCITT X.3, X.28, and X.29 specifications. The local mode commands provide the functions analogous to those specified in X.28. The ADM supports rece...

[Page 59] Avaya 6424D+M

Table 6-1: X.3 Parameters Parameter Parameter Selectable Parameter Class* Reference Description Values Meaning Number R/W RO NI 1 Pad Recall 0 Pad Recall Disabled X character 1 Character DLE 2-127, As coded in ASCII except 8,17,19,21,24 2 Echo 0 No...

[Page 60] Avaya 6424D+M

Parameter Parameter Selectable Parameter Class* Reference Description Values Meaning Number R/W RO NI 11 Binary speed of 3 1200 bit/s start-stop DTE 12 2400 bit/s 13 4800 bit/s 14 9600 bit/s 15 19200 bit/s 19 38400 bit/s 20 57600 bit/s 12 Receive F...

[Page 61] Avaya 6424D+M

Messages on the Voice Terminal or the Attached Data Terminal Displays This section describes various messages that may appear on your 7506 or 7507 display or your attached data terminal. CONTINUE may appear when dialing a call or a particular feature...

[Page 62] Avaya 6424D+M

...

[Page 63] Avaya 6424D+M

Troubleshooting Use of the Data ZAP Command to Clear a Locked-up ADM Following is a list of circumstances which can result in a lock-up condition between the ADM and your data terminal or PC. Note, there may be other similar conditions which will ca...

[Page 64] Avaya 6424D+M

Use of the Self-Test to Clear a Locked-up ADM Self-test can also be used to reset the data options in the Active profile. Unlike the Data ZAP, which resets the options to their factory default values, the self-test resets all the data options in the...

[Page 65] Avaya 6424D+M

Appendix A — Cause Code Tables The Text option allows you to select numeric (diagnostic) or verbal formats for the ADM’s presentation of network generated call progress and error code information. These tables are used to translate between numeri...

[Page 66] Avaya 6424D+M

Table A-1: X.25 Cause Messages Packet Type Stimulus Clear Reset Restart 40 Character LCD & EIA Port 24 Character LCD Decimal Decimal Decimal Verbal Text Abbreviated Text Cause,Diag. Cause,Diag. Cause,Diag. ENDED RESET RESTART 0,0 or 128,0 0,0 or...

[Page 67] Avaya 6424D+M

Table A-2 Q.931 Signal Messages Decimal Value LCD and EIA Port Text 0 DIAL TONE ON 1 RINGING 2 INTERCEPT TONE ON 3 REORDER TONE ON 4 BUSY TONE ON 5 CONFIRM TONE ON 6 ANSWER TONE ON 7 CALL WAIT TONE ON 8 O-H WARNING TONE ON 9 CUSTOM TONE ON 11 BUSY VE...

[Page 68] Avaya 6424D+M

Table A-3: Q.931 Cause Messages Decimal Value EIA Port Text LCD Text 1 Unassigned number 1 2 No route to specified network 2 6 Channel unacceptable 6 16 Normal, clearing 16 17 User busy BUSY 18 No user responding NO RESPONSE 19 No answer from user (...

[Page 69] Avaya 6424D+M

GLOSSARY ANSI display protocol. A standard set of escape sequences, established by ANSI (the American National Standards Institute), used by many display terminal devices to transmit or receive display control functions, such as cursor movement and ...

[Page 70] Avaya 6424D+M

attempts to adjust to match the speed of the remote device. Also called communications parameters. See also asynchronous data communications and data metering. Data Terminal Equipment. (DTE) A device that sends and/or receives data over a communic...

[Page 71] Avaya 6424D+M

Index A Abbreviating CMD commands, 3-4 Activating a stored profile, 4-18 Active profile pA, 4-15, 4-19 storing, 4-18 ADM Options CCITT, 6-4 Answer data option, 4-3 Asynchronous Data Module, 1-1 AT commands, 2-1, 3-9 AT local mode, 3-1 AT local mode c...

[Page 72] Avaya 6424D+M

D Data calls, 2-1 Data carrier detect data option, 4-5 Data features, 1-2 Data mode, 2-1 Data Mode, 2-2 Data mode, 2-2 DX.25, 3-5 Data operations, 2-1 Data option answer, 4-3 attention, 4-3 autoadjust, 4-4 break, 4-4 character erase, 4-4 data carrier...

[Page 73] Avaya 6424D+M

Local Mode AT, 2-3 CMD, 2-3 Enhanced AT, 2-3 Local mode local-data, 2-2 local-idle, 2-2 Local Mode Off, 2-3 Local.cr data option, 4-8 Local-data, 2-2 Local.echo data option, 4-8 Local.erase data option, 4-8 Local-idle, 2-2 Local.lf data option, 4-9 M...

[Page 74] Avaya 6424D+M

Signal ground (AB), 6-2 Signal messages, A-3 Simultaneous voice and data communications, 1-1 Single-stream, 4-3, 6-1 Speed, 2-3 data option, 4-13 S-Registers, 3-11 Stored profile activating, 4-18 replacing, 4-19 Stored profiles p1 through p4, 4-15 St...