Lucent Technologies 7400B manual

AT&T 7400B Data Module User’s Guide 555-020-707 Issue 1 November 1989[...]

TO ORDER COPIES OF THIS MANUAL Call: AT&T Customer Information Center on 800-432-6600 In Canada Call 800-255-1242 Write: AT&T Customer Information Center 2855 North Franklin Road P.O. Box 19901 Indianapolis, Indiana 46219 Order: Document No. 555-020-707 Issue 1, November 1989 FCC Notice: This equipment has been tested and found to comply wi[...]

CONTENTS PREFACE: ABOUT THIS GUIDE Typographical Conventions i Organization of This Guide i Related Documentation ii 1 CHAPTER 1: INTRODUCTION External Features 1-2 2 CHAPTER 2: INSTALLATION Hardware and Software Requirements 2-1 Hardware Installation 2-7 Initial System Checks 2-12 If You Are Using a PC 2-12 If You Are Using a Dedicated Terminal 2-[...]

CHAPTER 5: TROUBLESHOOTING 5 How to Use This Chapter 5-1 APPENDIX A: AT COMMAND SET A B APPENDIX B: S-REGISTERS C APPENDIX C: APPLICATION NOTES PBX Application Notes C-1 PC Applications Guide C-1 Procomm Plus C-2 Relay Gold C-5 Crosstalk XVI C-8 D APPENDIX D: QUICK-REFERENCE SUMMARIES GL GLOSSARY[...]

DEFINITY Communications System PREFACE: ABOUT THIS GUIDE 7400B Data Module User’s Guide Page i TYPOGRAPHICAL CONVENTIONS PREFACE: ABOUT THIS GUIDE The purpose of this guide is to provide information for installing, operating, and maintaining the 7400B Data Module. Throughout this guide, command lines that you type are shown in typewriter-style ch[...]

PREFACE: ABOUT THIS GUIDE DEFINITY Communications System 7400B Data Module Page ii User’s Guide outs, ASCII character set. RELATED DOCUMENTATION Chapter 5: Troubleshooting. Describes procedures for troubleshooting problems that may be encountered while configuring and operating the 7400B Data Module. Appendix A: AT Command Set. Contains an explan[...]

DEFINITY Communications System CHAPTER 1: INTRODUCTION 7400B Data Module User’s Guide Page 1-1 CHAPTER 1: INTRODUCTION This chapter discusses the basic operating features of the 7400B Data Module and describes the external indicators and connectors. The data module provides an asynchronous data service link between a Data Terminal Equipment (DTE)[...]

CHAPTER 1: INTRODUCTION DEFINITY Communications System 7400B Data Module Page 1-2 User’s Guide ● ● ● data metering option programmable control characters self-test at start-up local and remote loopback tests test duration timers voice terminal powered by the PBX is not affected if ac power ● ● ● is removed from the 7400B Data Module E[...]

DEFINITY Communications System CHAPTER 1: INTRODUCTION 7400B Data Module User’s Guide Page 1-3 Connector Description POWER/ TEST DATA METERING A A CD RD SD TR OH CHECK SPEED DATA This red LED lights as long as power is applied to the data module. This LED flashes during any test mode, except the start-up self-test. It also flashes along with the [...]

CHAPTER 1: INTRODUCTION DEFINITY Communications System 7400B Data Module Page 1-4 User's Guide Rear Panel The rear panel of the 7400B Data Module is shown in Figure 1-2, and the connectors located on the rear panel are described in Table 1-2. Figure 1-2. Rear Panel Connector Description PHONE This connector accepts one end of the D8W telephone[...]

DEFINITY Communications System CHAPTER 1: INTRODUCTION 7400B Data Module User’s Guide Page 1-5 Power Supply Unit A separate power supply unit is required with the 7400B Data Module. This unit connects between a grounded AC outlet and the “POWER” connector at the rear of the data module. This power supply unit provides the necessary operating [...]

DEFINITY Communications System CHAPTER 2: INSTALLATION 7400B Data Module User’s Guide Page 2-1 HARDWARE AND SOFTWARE REQUIREMENTS CHAPTER 2: INSTALLATION This chapter describes the hardware and software required for installing the data module, and outlines procedures for preparing the data module for operation. In addition to the 7400B Data Modul[...]

CHAPTER 2: INSTALLATION DEFINITY Communications System 7400B Data Module User’s Guide Page 2-2 PERSONAL COMPUTER 7400B DATA MODULE D8W CORD PBX WALL JACK EIA CABLE POWER SUPPLY Figure 2-1. Typical Standalone Installation[...]

DEFINITY Communications System CHAPTER 2: INSTALLATION 7400B Data Module User’s Guide Page 2-3 Figure 2-2. Typical Installation with Telephone[...]

CHAPTER 2: INSTALLATION DEFINITY Communications System 7400B Data Module Page 2-4 User’s Guide Figure 2-3. Typical Installation with Telephone and Adjunct Equipment Requiring Auxiliary Power[...]

DEFINITY Communications System CHAPTER 2: INSTALLATION 7400B Data Module User’s Guide Page 2-5 About the Terminal Device The 7400B Data Module operates with any asynchronous data terminal device that has an EIA-232-D (or RS-232-C) serial port connector. If you are using a PC as your terminal, you will need a suitable data communications software [...]

CHAPTER 2: INSTALLATION DEFINITY Communications System 7400B Data Module Page 2-6 User’s Guide ● Predefine data options profiles. Some programs include completely defined data option profiles (also called configuration profiles) for popular modems. If available, select the options profile for the Hayes® Smartmodem 2400™. ● Command files. T[...]

DEFINITY Communications System CHAPTER 2: INSTALLATION 7400B Data Module User’s Guide Page 2-7 HARDWARE INSTALLATION Data Metering Option (SW1-5) When the data metering option is disabled (SW1-5 set to "OFF"), the transfer speed of the 7400B Data Module will adjust to match the transfer speed of the remote system. The C0NNECT xxxx messa[...]

CHAPTER 2: INSTALLATION DEFINITY Communications System 7400B Data Module Page 2-8 User’s Guide Setting the Hardware Three hardware options are selected by setting switches on an internal Option DIP Switches 8-position DIP switch. Setting these switches is described in the following paragraph; however, for more information about using these option[...]

DEFINITY Communications System CHAPTER 2: INSTALLATION 7400B Data Module User’s Guide Page 2-9 To access and set the hardware option switches, refer to Figure 2-4 and perform the following: Figure 2-4. Accessing the Hardware Option Switches[...]

CHAPTER 2: INSTALLATION DEFINITY Communications System 7400B Data Module Page 2-10 User’s Guide Caution: Disconnect all cables and telephone cords attached at the rear of the unit. Failure to disconnect all cables and 1. b. 2. 3. 4. 5. 6. cords at this point could result in permanent damage to the 7400B Data Module. Remove the top access panel of[...]

DEFINITY Communications System CHAPTER 2: INSTALLATION 7400B Data Module User’s Guide Page 2-11 2. Connecting the DCP Cord Attach the DCP type D8W telephone cord as follows: 1. Insert either end of the telephone cord into the connector on the rear panel of the Data Module labeled LINE. 3. Insert the other end of the telephone cord into the PBX wa[...]

CHAPTER 2: INSTALLATION DEFINITY Communications System 7400B Data Module Page 2-12 User’s Guide INITIAL SYSTEM CHECKS This section describes procedures for initially checking out your hardware and any required software. It is assumed at this point that your hardware and data communications software have been properly installed and are ready for u[...]

DEFINITY Communications System CHAPTER 3: FIRST TIME USERS 7400B Data Module User’s Guide Page 3-1 OPERATING MODES CHAPTER 3: FIRST TIME USERS This chapter provides some basics on 7400B Data Module operation, describes how to use a few AT commands that are essential for most data communications operations, and then outlines a typical on-line sess[...]

CHAPTER 3: FIRST TIME USERS DEFINITY Communications System 7400B Data Module Page 3-2 User’s Guide ESSENTIAL AT COMMANDS All of these parameters may be changed on the local terminal device as needed. The 7400B Data Module will adjust to match the speed and parity of the local terminal device. If you connect to a remote system and your screen show[...]

DEFINITY Communications System CHAPTER 3: FIRST TIME USERS 7400B Data Module User’s Guide Page 3-3 AT Command Description AT The command prefix that must be typed as the first two letters of all AT commands except +++ and A/. This prefix gets the tention of the data module. AT Note: The characters of the AT prefix must both be typed in either upp[...]

CHAPTER 3: FIRST TIME USERS DEFINITY Communications System 7400B Data Module Page 3-4 User’s Guide AT Command Description +++ The escape character sequence. This is one of the two commands that does not require the AT prefix. Once you have connected to the remote device, your data module assumes the on-line mode of operation. If you need to retur[...]

DEFINITY Communications System CHAPTER 3: FIRST TIME USERS 7400B Data Module User’s Guide Page 3-5 ● In the first line of this example, AT is the required command prefix, D is the dial command, and the remainder of the line is the telephone number. ● ● Note: The spaces between the commands and the telephone number are included only for read[...]

CHAPTER 3: FIRST TIME USERS DEFINITY Communications System 7400B Data Module Page 3-6 User’s Guide EXAMPLE 4: Changing data options. at el &d2 s0=5 [ Enter ] This command line is a command sequence that sets up the 7400B Data Module to automatically answer incoming calls. The commands set the following parameters: ● ● ● ● AT is the re[...]

DEFINITY Communications System CHAPTER 3: FIRST TIME USERS 7400B Data Module User’s Guide Page 3-7 Another possible problem is that the remote end response contains normal words mixed in with strange characters, many of which are left brackets ([). This usually indicates that the remote device is sending ANSI display control sequences, and your t[...]

DEFINITY Communications System CHAPTER 4: OPERATION AND CONFIGURATION 7400B Data Module User’s Guide Page 4-1 CHAPTER 4: OPERATION AND CONFIGURATION This chapter describes how to change, store, and recall configuration parameters, outlines how to create and save custom configuration profiles, and discusses more advanced command usage with example[...]

CHAPTER 4: OPERATION AND CONFIGURATION DEFINITY Communications System 7400B Data Module Page 4-2 User’s Guide Command Line: Action: at&f [ Enter ] Recall the factory-default configuration settings into the active profile. at&v [ Enter ] Display current AT command settings and S-register values in the active profile and the two stored prof[...]

DEFINITY Communications System CHAPTER 4: OPERATION AND CONFIGURATION 7400B Data Module User’s Guide Page 4-3 In command mode, the 7400B Data Module looks at everything you type on your keyboard. When you type in something that the data module recognizes as a valid command with a valid parameter (if required), it will execute the action requested[...]

CHAPTER 4: OPERATION AND CONFIGURATION DEFINITY Communications System 7400B Data Module Page 4-4 User’s Guide Note: A special application may require choosing a different line terminating character, accomplished by issuing the command: ats3= ddd [ Enter ] where ddd is a 1- to 3-digit decimal representation of the ASCII character with a range of 0[...]

DEFINITY Communications System CHAPTER 4: OPERATION AND CONFIGURATION 7400B Data Module User’s Guide Page 4-5 Command Most commands are acted upon immediately and are acknowledged by Acknowledgement the result code OK. This assumes that the result codes are configured in the verbose form (command V1 is in effect), and are enabled (Q0 in effect). [...]

CHAPTER 4: OPERATION AND CONFIGURATION DEFINITY Communications System 7400B Data Module Page 4-6 User’s Guide Multiple Characters If you type in the at prefix and it displays on your screen as aatt, you may disable the command echo by typing the following command: ate0 [ Enter ] The command will appear as aattee00 as you type it, but the data mod[...]

DEFINITY Communications System CHAPTER 4: OPERATION AND CONFIGURATION 7400B Data Module User’s Guide Page 4-7 The following is an example: atd74768 [ Enter ] In the example, the command will cause the data module to go off hook, dial the number, and then wait the period of time specified in S-register S7 for the call to be completed. If the call [...]

CHAPTER 4: OPERATION AND CONFIGURATION DEFINITY Communications System 7400B Data Module Page 4-8 User’s Guide Command line: Action: at&z Store number nnn...n in location m, which is one of four locations designated by the numbers 0 through 3. For m=nnn...n [ Enter ] example: at&z2=92015551212 [ Enter ] stores the number 92015551212 in num[...]

DEFINITY Communications System CHAPTER 4: OPERATION AND CONFIGURATION 7400B Data Module User’s Guide Page 4-9 If nnn is 0 (the factory-default setting), the automatic answer feature is turned off. The red LED on the front of the data module labeled “AA” lights when the automatic feature is turned on. REMOTE SITE USE ● ● The 7400B Data Mod[...]

CHAPTER 4: OPERATION AND CONFIGURATION DEFINITY Communications System 7400B Data Module Page 4-10 User’s Guide A second command allows you to recall the factory-default configuration if, for instance, you loose track of changes you have made and need to start over. The form for this command is as follows: at&f [ Enter ][...]

DEFINITY Communications System CHAPTER 5: TROUBLESHOOTING 7400B Data Module User’s Guide Page 5-1 CHAPTER 5: TROUBLESHOOTING This chapter describes procedures for troubleshooting most problems that may be encountered while installing, configuring, and operating the 7400B Data Module. HOW TO USE THIS CHAPTER Use the following guidelines to isolate[...]

CHAPTER 5: TROUBLESHOOTING DEFINITY Communications System 7400B Data Module Page 5-2 User’s Guide Symptom Problem Solution All LEDs are off. Power is off. Check that the AC outlet is live. Check that the power supply unit is connected to the 7400B Data Module and to the AC outlet. POWER/TEST and DATA The data module has lost Check that the D8W co[...]

DEFINITY Communications System CHAPTER 5: TROUBLESHOOTING 7400B Data Module User’s Guide Page 5-3 Symptom Problem Solution Call disconnects The speed of the far end immediately after an device is higher than the attempt to connect; NO speed of the local terminal CARRIER may be device. displayed on the local terminal device; CHECK SPEED LED lights[...]

CHAPTER 5: TROUBLESHOOTING DEFINITY Communications System 7400B Data Module Page 5-4 User’s Guide Symptom Problem Solution The PC communications The data module has software indicates that the ignored the on-to-off call has been transition of the DTR disconnected, but the lead. DATA LED remains lit. at&d2 [ Enter ] The data module has ignored[...]

DEFINITY Communications System CHAPTER 5: TROUBLESHOOTING 7400B Data Module User’s Guide Page 5-5 Symptom Problem Solution The AA LED flashes but The automatic answer the data module does not option is not enabled; automatically answer the when there is no incoming incoming call. call, the AA LED is off. The automatic answer option is enabled; th[...]

CHAPTER 5: TROUBLESHOOTING DEFINITY Communications System 7400B Data Module Page 5-6 User’s Guide Symptom Problem Solution Transmitted and/or Speed settings of the Change terminal device speed to received data contains terminal device and the agree with the speed that was errors. data module are not the indicated in the C0NNECT nnnn same. message[...]

DEFINITY Communications System CHAPTER 5: TROUBLESHOOTING 7400B Data Module User’s Guide Page 5-7 Symptom Problem Solution Commands are displayed The local terminal device Set the terminal device for one of without error as they are is set to a speed not the supported speeds: 300, 1200, typed (echoed), but the supported by the 7400B 2400, 4800, 9[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-1 APPENDIX A: AT COMMAND SET This appendix contains an explanation of each AT command accepted by the 7400B Data Module. Labels used in the descriptions are defined as follows: Label Description Command: The command is shown as it should be typed. The [...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-2 User’s Guide Label Description (Contd.) Example: A sample command line follows this label to demonstrate how the command may be used. Comments: An explanation of the example and any other information about the command not provided elsewhere is provided here. Addi[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-3 Command: Function: Type: Arguments: S-Register: Example: Comments: See Also: +++ Escape sequence. immediate none none +++ The purpose of the +++ command is to provide a way to switch the data module from on-line or data mode to command mode without d[...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-4 User's Guide Command: Function: Type: Arguments: S-Register: Example: Comments: See Also: A Go off-hook in Answer mode. immediate none Bit 7 of S14 is set to 0. ata [ Enter ] The A command causes the data module to go off-hook in answer mode and attempt to ans[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-5 Command: D Function: Dial a telephone number. Type: immediate Arguments: The D command requires an ASCII character string, which is sent by the data module to the PBX. The string may include any ASCII character, with the following restrictions: ● I[...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-6 User’s Guide Command: D (Contd.) S-Register: Bit 7 of S14 is set to 1. Example 1: Example 2: atd555–1212 [ Enter ] atds=1 [ Enter ] Comments: In example 1, the number 555-1212 is dialed. The hyphen (-) is optional and may be used for easier reading of the comma[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-7 Command: Function: Type: Arguments: S-Register: Example: Comments: ath [ Enter ] See Also: H Switch hook control. immediate No argument or an argument of 0 causes the data module to go on- hook. none The H command with no argument can be used during [...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-8 User’s Guide Command: I Function: Request product code or ROM checksum. Type: immediate Arguments: The I command accepts one of three arguments as follows: 0 - The data module displays the decimal number 249, followed by a carriage return and line feed. 1 - The d[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User's Guide Page A-9 Command: Function: Type: Arguments: S-Register: Example: Comments: atq1 [ Enter ] See Also: Q Turn the display of result codes on or off. configuration No argument or an argument of 0 enables the display of result codes; an argument of 1 disables [...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-10 User’s Guide Command: X Function: Control the extended result code set and dialing capabilities. Type: configuration Arguments: The X command accepts one of 5 arguments as follows: 0 - The basic result code set (0—4) is enabled. No dial tone or busy signal det[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-11 Command: Z Function: Reset and recall a stored profile. Type: immediate Arguments: No argument or an argument of 0 recalls the configuration profile stored in location 0; an argument of 1 recalls the configuration profile stored in location 1. S-Reg[...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-12 User’s Guide Command: &C Function: Data Carrier Detect (DCD) options. Type: configuration Arguments: The &C command accepts one of two arguments as follows: 0 - (or no argument) maintain the DCD circuit on at all times (factory-default setting) 1 - the D[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-13 Command: Function: Type: Arguments: S-Register: Example: Comments: at&d2 [ Enter ] See Also: &D Data Terminal Ready (DTR) options. configuration The &D command accepts one of four arguments as follows: 0 - ignore the DTR interchange circ[...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-14 User’s Guide Command: Function: Type: Arguments: S-Register: Example: Comments: See Also: &F Load the factory-default configuration. immediate none none at&f [ Enter ] The factory-default configuration values are permanently stored in ROM and can be reca[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-15 Command: &T Function: Control diagnostic and test facilities. Type: immediate Arguments: The &T command accepts one of eight arguments (see comment 2) as follows: 0 - (or no option) terminate any test in progress (see comment 3) 1 - initiate[...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-16 User’s Guide Command: Function: Type: Arguments: S-Register: Example: Comments: at&v [ Enter ] ● ● ● See Also: &V View the active configuration and stored profiles. immediate The &V command does not take an argument. none The &V command dis[...]

DEFINITY Communications System APPENDIX A: AT COMMAND SET 7400B Data Module User’s Guide Page A-17 Command: Function: Type: Arguments: S-Register: Example: Comments: at&w0 [ Enter ] See Also: &W Store the active configuration profile. immediate No argument or an argument of 0 stores to location 0, an argument of 1 stores to location 1. no[...]

APPENDIX A: AT COMMAND SET DEFINITY Communications System 7400B Data Module Page A-18 User’s Guide Command: &Z Function: Store a telephone number. Type: immediate Arguments: The &Z command accepts one of four arguments (0 through 3), which designates the memory location in which the dialing string that follows the command will be stored. [...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-1 APPENDIX B: S-REGISTERS This appendix contains an explanation of each S-register used by the 7400B Data Module. An S-register is an 8-bit location in non-volatile memory that is used for storing the value of one or more configuration parameters. When th[...]

APPENDIX B: S-REGISTERS DEFINITY Communications System 7400B Data Module Page B-2 User’s Guide Label Description Register: The S-register is identified following this label. Note that the names for S-registers 1 through 9 may be typed as two-digit numbers with leading zeros, if desired, for readability (e.g., S01 is equivalent to S1). Description[...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-3 Label Description (Contd.) Storable: A yes after this label indicates that the contents of this S-register will be written when the current configuration profile is saved to one of the two configuration profile storage locations. A no here indicates tha[...]

APPENDIX B: S-REGISTERS DEFINITY Communications System 7400B Data Module Page B-4 User’s Guide Register: S0 Description: The value in this S-register represents the ring number on which an incoming call will be automatically answered. Range of The value may be 000 through 255 rings. The factory-default setting is Values: 000 rings. Storable: yes [...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-5 Register: Description: Range of Values: Storable: Comments: See Also: S2 This S-register stores the ASCII value of the escape sequence character. Value may be 000 through 127 (see comments); factory-default setting is 043, the ASCII code for a plus sign[...]

APPENDIX B: S-REGISTERS DEFINITY Communications System 7400B Data Module Page B-6 User’s Guide Register: S4 Description: This S-register holds the ASCII value for the line feed character. Range of Value may be 000 through 127; factory default setting is 010, usually Values: output by the Ctrl-J key combination from a display terminal. Storable: n[...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-7 Register: S7 Description: Wait time for line signal or dial tone. If line signal is not detected within this time, the call will be disconnected. Range of Value may be 001 through 055 seconds; factory-default value is 030 Values: seconds. Storable: no C[...]

APPENDIX B: S-REGISTERS DEFINITY Communications System 7400B Data Module Page B-8 User’s Guide Register: S11 — not used Register: S12 Description: The value in this S-register determines the minimum delay required immediately before and after entering the escape sequence (guard time). It also determines the maximum interval allowed between ente[...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-9 Register: S14 Description: This S-register is used to store the status of bit-mapped options as follows: bit 0 — not used (always set to 0) bit 1 — 0 = command echo disabled, 1 = command echo enabled (default = 1, see E command) bit 2 — 0 = result[...]

APPENDIX B: S-REGISTERS DEFINITY Communications System 7400B Data Module Page B-10 User’s Guide Register: S16 Description: This S-register stores test function status in a bit-mapped format as follows: bit 0 — local digital loop test; 0 = test disabled, 1 = test in progress (default = 0, see the &T1 and &T2 commands) bit 1 — not used [...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-11 Register: S18 Description: The value in this S-register establishes the duration of diagnostic tests initiated by the &T command. Range of Value may be 000 through 255 seconds. The factory-default value is Values: 0. Storable: yes Comments: Any loc[...]

2. APPENDIX B: S-REGISTERS DEFINITY Communications System 7400B Data Module Page B-12 User’s Guide Register: S21 Description: This S-register is used to store the status of bit-mapped options as follows: bit 0 — not used (default = 0, see comment 1) bit 1 — not used (always set to 0) bit 2 — not used (default = 0, see comment 1) bits 3 and [...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-13 Register: S22 Description: This S-register is used to store the status of bit-mapped options as follows: bits 0 and 1 — not used (default = 2, see comment 1) bits 2 and 3 — not used (default = 1, see comment 1) bits 4, 5 and 6 — result codes; val[...]

APPENDIX B: S-REGISTERS DEFINITY Communications System 7400B Data Module Page B-14 User’s Guide Register: S23 Description: This S-register is used to store the status of bit-mapped options as follows: bit 0 — allow remote loop request from remote system; 0 = disabled, 1 = enabled (default = 1, see &T command) bits 1, 2, and 3 — local comm[...]

DEFINITY Communications System APPENDIX B: S-REGISTERS 7400B Data Module User’s Guide Page B-15 Register: Description: S25 The value in this S-register determines how long a change of state (OFF to ON or ON to OFF) on the Data Terminal Ready (DTR) lead must persist before it is acknowledged. If the change of state persists for a shorter time than[...]

DEFINITY Communications System APPENDIX C: APPLICATION NOTES 7400B Data Module User’s Guide Page C-1 APPENDIX C: APPLICATION NOTES PBX APPLICATION NOTES PC APPLICATIONS GUIDE This appendix provides a list of application notes that describe how to administer specific AT&T PBX systems for using the data module and describes how to configure som[...]

APPENDIX C: APPLICATION NOTES DEFINITY Communications System 7400B Data Module Page C-2 User’s Guide PROCOMM PLUS Procomm Plus is a data communications software package produced by Configuring the Software 1 . Datastorm Technologies, Inc. The following procedures are based on version 1.1B of the software package. Note: If Procomm Plus is being in[...]

DEFINITY Communications System APPENDIX C: APPLICATION NOTES 7400B Data Module User’s Guide Page C-3 A – B – C – D – E – PROCOMM PLUS SETUP UTILITY MODEM RESULT MESSAGES 300 baud connect message . . . . . . CONNECT 1200 baud connect message . . . . . CONNECT 1200 2400 baud connect message . . . . . CONNECT 2400 4800 baud connect message[...]

APPENDIX C: APPLICATION NOTES DEFINITY Communications System 7400B Data Module Page C-4 User’s Guide DIALING DIRECTORY: PCPLUS NAME NUMBER SCRIPT 1 2400 N-8-1 F 2 2400 N-8-1 F 3 2400 N-8-1 F 4 2400 N-8-1 F 5 2400 N-8-1 F 6 2400 N-8-1 F 7 2400 N-8-1 F 8 I -- I Revise Entry 1 I ------------------- I 2400 N-8-1 F 9 I NAME: ATTMAIL I 2400 N-8-1 F 10 [...]

DEFINITY Communications System APPENDIX C: APPLICATION NOTES 7400B Data Module User’s Guide Page C-5 RELAY GOLD Relay Gold is a data communications software package produced by Relay Communications, Inc. The following procedures are based on release 3.0 of the software package. Configuring the Software 1 . At the DOS prompt, type install [ Enter [...]

APPENDIX C: APPLICATION NOTES DEFINITY Communications System 7400B Data Module Page C-6 User’s Guide 2 . Type the telephone number of the system you want to call, and Relay Gold sends the number to the 7400B Data Module to dial the system. Placing a Call Through the This example uses ATTMAIL as the system to be called. Directory 1. At the OFF LIN[...]

DEFINITY Communications System APPENDIX C: APPLICATION NOTES 7400B Data Module User’s Guide Page C-7 7 . 8. 9. Make any necessary changes in the appropriate fields. Press [ Enter ] to save changes to the PC hard disk and display the Directory of Computers screen. Use the up and down arrow keys to select the system that you want to call. Press [ F[...]

APPENDIX C: APPLICATION NOTES DEFINITY Communications System 7400B Data Module Page C-8 User’s Guide CROSSTALK XVI Crosstalk XVI is a data communications software package produced by Digital Communications Associates. Configuring the Software 1. At the DOS prompt, type xtalk [ Enter ] A title screen is displayed for a few seconds, followed by the[...]

DEFINITY Communications System APPENDIX C: APPLICATION NOTES 7400B Data Module User’s Guide Page C-9 8. 9. 10. 11. Select the baud rate that you will use most often.* Select the type of video display used in your PC.* Press [ Y ] to save the new configuration settings to the hard disk of the PC. Press [ Enter ] to return to the Status Screen. Pla[...]

APPENDIX C: APPLICATION NOTES DEFINITY Communications System 7400B Data Module Page C-10 User’s Guide 3. For a listed service: a. Enter the telephone number (for example, 5551234 or 9,5551234). Enter the baud rate (for example, 300, 1200, 2400). b. c. Enter any other parameters required for that specific service (such as login, password, account [...]

DEFINITY Communications System APPENDIX D: QUICK-REFERENCE SUMMARIES 7400B Data Module User’s Guide Page D-1 APPENDIX D: QUICK-REFERENCE SUMMARIES This appendix contains quick-reference summaries for the following data: AT Command Set ● ● S-Registers Result Codes ● Factory-Default Configuration ● ● EIA-232-D Pin Assignments ASCII Charac[...]

APPENDIX D: QUICK-REFERENCE SUMMARIES DEFINITY Communications System 7400B Data Module Page D-2 User’s Guide Command Description AT Command prefix—precedes most commands. A Go off hook and remain in command state. A/ Repeat the last command line. D Enter originate mode and dial number that follows. E0 Inhibit command state echo. E1 Enable comma[...]

DEFINITY Communications System APPENDIX D: QUICK-REFERENCE SUMMARIES 7400B Data Module User’s Guide Page D-3 Command Description &C0 &C1 &D0 &D1 &D2 &D3 &F &S0 &S1 &T0 &T l &T2 &T3 &T4 &T5 &T6 &T7 &T8 &V &W0 &W1 &Y0 &Y1 &Z0 &Z1 &Z2 &Z3 Main[...]

APPENDIX D: QUICK-REFERENCE SUMMARIES DEFINITY Communications System 7400B Data Module Page D-4 User’s Guide Register Description Range/Unit S0 Ring to answer on. 000-255 count S1 Incoming ring count. 000-255 count S2 Escape sequence character. 000-127 ASCII S3 Carriage return character. 000-127 ASCII S4 Line feed character. 000-127 ASCII S5 Back[...]

DEFINTY Communications System APPENDIX D: QUICK-REFERENCE SUMMARIES 7400B Data Module User’s Guide Page D-5 Verbose Form Numeric Description OK 0 CONNECTED 1 RING NO CARRIER ERROR CONNECT 1200 NO DIALTONE BUSY CONNECT 2400 CONNECT 4800 CONNECT 9600 CONNECT 19200 2 3 4 5 6 7 1 0 11 12 14 Command accepted Connection made at 300 bps Note: If command[...]

APPENDIX D: QUICK-REFERENCE SUMMARIES DEFINITY Communications System 7400B Data Module Page D-6 User’s Guide Value AT Command Parameter Command state echo Communication mode Default user profile DCD circuit option DSR circuit option DTR circuit option enabled E 1 asynchronous &M0/&Q0 profile 0 &Y0 always on &C0 always on &S0 D[...]

DEFINITY Communications System APPENDIX D: QUICK-REFERENCE SUMMARIES 7400B Data Module User’s Guide Page D-7 Parameter Value S-Register Auto-answer on ring disabled S0=0 Backspace character ASCII 8 S5=8 Carriage return character ASCII 13 S3=13 Not used by 7400B Data Module — S9=6 Not used by 7400B Data Module — S8=2 Not used by 7400B Data Mod[...]

APPENDIX D: QUICK-REFERENCE SUMMARIES DEFINITY Communications System 7400B Data Module Page D-8 User’s Guide Pin Circuit Direction Function 1 — — not used 2 BA (SD) to 7400B transmit data 3 BB (RD) from 7400B receive data 4 CA (RTS) to 7400B request to send 5 CB (CTS) from 7400B clear to send 6 CC (DSR) from 7400B data set ready 7 AB (SG) com[...]

DEFINITY Communications System APPENDIX D: QUICK-REFERENCE SUMMARIES 7400B Data Module User’s Guide Page D-9 ASCII CONTROL KEY VALUE CHARACTER 000 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 ! " # $ % & ' ( ) * - . : ; = ? (more) NUL SOH STX ETX EOT ENQ [...]

APPENDIX D: QUICK-REFERENCE SUMMARIES DEFINITY Communications System 7400B Data Module Page D-10 User’s Guide ASCII CONTROL KEY VALUE CHARACTER 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ ] ^ ‘ j — ASCI[...]

DEFINITY Communications System GLOSSARY 7400B Data Module User’s Guide Page GL-1 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 color or graphics [...]

GLOSSARY DEFINITY Communications System 7400B Data Module Page GL-2 User’s Guide Data metering. A selectable feature of the 7400B Data Module that allows the device and its associated terminal to operate at a higher speed than the remote system to which it is connected. Data mode. See on-line mode. Data options. For asynchronous data communicatio[...]

DEFINITY Communications System GLOSSARY 7400B Data Module User’s Guide Page GL-3 Linked mode. A DIP-switch selected operating mode in which the 7400B Data Module supports both data and voice services. On-line mode. An operating mode in which the 7400B Data Module transmits all characters coming from its associated terminal device and does not att[...]

DEFINITY Communications System INDEX 7400B Data Module User’s Page Index-1 A Adjunct equipment, 2-1 power adapter, 2-1 power supply, 2-1 Crosstalk XVI, C-8 PBX, C-1 PC software, C-1 Procomm Plus, C-2 Relay Gold, C-5 ASCII character backspace, B-6, 4-4 carriage return, B-5 character set, 4-4 dialing string, A-4 escape sequence, B-4 line feed, B-5 [...]

INDEX DEFINITY Communications System 7400B Data Module Page Index-2 User’s DCP, see Digital Communications Protocol DEFINITY Communications System, Generic 1, 1-1 DEFINITY Communications System, Generic 2, 1-1 Dialing directory, 2-5 example, 3-4 Digital Communications Protocol, 1-1 DIP switch options, 1-1, 2-6 Display problems, 3-6 DTE, see Data [...]

DEFINITY Communications System INDEX 7400B Data Module User’s Page Index-3 PC software Crosstalk XVI, C-8 Procomm Plus, C-2 Relay Gold, C-5 Plotter, 2-5 Power supply, 1-4, 1-5, 2-11 Power-up self-test, 2-12 Printer, 2-5 Profile active, 4-1 configuration, A-15, A-17, 4-1 stored, A-10 R Rear panel, 1-4 Remote site use, 4-9 Result codes, A-9, A-10, [...]

AT&T AT&T Bell Laboratories subject: Errata Sheets for 7400B Data Module User’s Guide date: from: December 11, 1990 Sandra Talarico MT XGPK20000 2E-401 x957-6072 The attached five errata sheets contain modifications to the 7400B Data Module User’s Guide, order number 555-020-707 Issue 1 November 1989. Please disregard the earlier memo c[...]

IMPORTANT SAFETY INSTRUCTIONS When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury to persons, including the following: ● ● ● ● ● ● ● ● ● ● Read and understand all instructions. Follow all warnings and instructions marked on the product. Thi[...]

● Do not allow anything to rest on the power cord. Do not locate this product where the cord will be abused by people walking on it. ● Do not overload wall outlets and extension cords as this can result in the risk of fire or electric shock. ● Disconnect the cords on this product and refer servicing to qualified service personnel under the fo[...]

IMPORTANT INSTALLATION SAFETY INSTRUCTIONS WARNING When this product is located in a separate building from the telephone communications system, a line current protector MUST be installed at the entry/exit points of ALL buildings through which the line passes. The following are the ONLY acceptable devices for use in this application: ★ AT&T 4[...]

1. The voltage measured from Phase to Neutral should be 110 to 125 VAC. 2. The voltage measured from Phase to Ground should be 110 to 125 VAC. 3. The voltage measured from Neutral to Ground should be less than 1 VAC. If the receptacle is not a properly grounded 3-prong type, stop the installation. Installation can only be completed after a qualifie[...]