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Black Box 32144 Manual

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© Copyright 1999. Black Box Corporation. All rights reserved.
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746

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Summary of Contents for Black Box 32144

  • Page 1 © Copyright 1999. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
  • Page 2 FCC STATEMENT FEDERAL COMMUNICATIONS COMMISSION INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio communication.

  • Page 3: Specifications

    MODEM 32144 1. Specifications Ringer Equivalence — 0.8 B Standards — Bell 103, 212, 208, CCITT V.13, V.17, V.22, V.32, V.22 bis, V.25, V.32 Environment — Ambient temperature: bis, V.33, V.29, V.32terbo 32 to 122° F (0 to 50° C); Storage temperature: -4 to 158°...

  • Page 4: Quick Start

    2. Quick Start This instruction manual applies Note that if you ordered the to the Modem 32144. Modem 32144 Card, all you will receive is the Card itself. It does not All information applies to both come with the power transformer the stand-alone and full-size rack- or cables listed below.
  • Page 5 MODEM 32144 3. Options: Customizing the Modem Setup • Summary Setup. This is the 3.1 Methods for Selecting Options fastest way to selectively change The modem allows you to easily multiple options. All options select options in order to tailor are accessed using just a few the modem’s operation to suit a...
  • Page 6 MODEM 32144 4. General Operation and Special Features This chapter describes the 4.1 Quick Reset following features and operational For a reset of the modem, whereby modes (listed here in the order in option settings are not changed but which they are presented):...
  • Page 7 CHAPTER 5: Hayes Emulation Mode 5. Hayes Emulation Mode For easy reference, the following to a preset configuration tables appear consecutively at the suitable for typical Hayes mode end of this chapter: applications. To select the 2-wire dial Hayes Quick Setup, •...
  • Page 8 CHAPTER 6: V.25 bis Autodialer 6. V.25 bis Autodialer 6.1.1 Q For international compatibility, UICK ETUP the modem can be configured to Three Quick Setup configurations function as a V.25 bis autodialer. are available for 2-wire dial V.25 bis In V.25 bis mode, the modem operation.
  • Page 9 MODEM 32144 7. Diagnostics The troubleshooting information 7.2 Symptoms and Scope of the in this chapter applies to all Problem modem applications (all dialup and leased-line modes), unless As a first step toward isolating the specifically stated otherwise. problem, carefully consider each...

  • Page 10: Table Of Contents

    MODEM 32144 Contents 1. Specifications.....................10 2. Quick Start....................13 2.1 Installation ..................13 2.1.1 Unpacking................13 2.1.2 Connections ................14 2.1.3 Jumpers ...................15 2.2 Front-Panel LCD and Controls ............16 2.2.1 Power-On Screen ..............17 2.2.2 EIA Status Screen..............17 2.3 Quick Setup ..................18 2.3.1 How to Select a Quick Setup ..........18 2.4 Basic Operation ................25...
  • Page 11 MODEM 32144 Appendix A: Quick Setup Configurations Table A-1 shows the modem Some options can be selected via configuration—i.e., the default Summary Setup only. These setting for each option—for each options are not listed in Table A-1. of the Quick Setup modes. When...
  • Page 12 MODEM 32144 Appendix B: Summary Setup If you select AT, the AT Summary Setup is an advanced PROFILES screen will be displayed. feature designed to allow exper- When you select a Hayes mode ienced users to quickly change configuration profile (user profile) option settings for any mode.
  • Page 13 MODEM 32144 Appendix C: Connectors, Adapters, and Jumpers This appendix provides a detailed • LEASED LINE—RJ-11 modular description of al modem jack, for (6-pin) leased line connectors, including pin connection assignments. It also includes a description of the modem jumper •...
  • Page 14 For modems using an external DC power source, the information in this addendum about installation and jumper settings supersedes the information in the rest of the Modem 32144 manual. However, all other information in the instruction manual is applicable.
  • Page 15 Appendix E: LCD Flow Chart EIA status screen: Not all abbreviations will be present at same time. (R in upper left corner indicates an incoming ring.) Power-on Screen STATUS SCREENS Except for the power-on screen, the data shown on these screens will change, V.32bis/14.4M D TR MR RS CS QUALITY...
  • Page 16 Displayed only on the This screen appears only in the Displayed on the DIAL FAILURE REMOTE TEST ALX V.32M and ALX Modem 32144. event of a dial failure. Specific NO DTR RDLST V.32/14.4M. message appears on bottom line. If SLOT/C is selected...
  • Page 17 MODEM 32144 D.2 Installation Use the supplied cable to attach the modem to the external DC power source, as shown in Fig. D-1. LEASED POWER DIAG DIAL LINE PHONE Pos. (+) source Black Neg. (-) source Fig. D-1. Attaching the supplied cable to the DC power source.
  • Page 18 APPENDIX D: DC Voltage Models D.3 Jumper Settings The power jumpers have been pre- set at the factory for DC voltage operation as shown in Tables D-1. Table D-1. Jumper Settings for -12/-24/-48 VDC Operation Jumper(s) Setting Pins 2 and 3 connected JP3, JP4 Pins 1 and 2 connected (set to same position)
  • Page 19 MODEM 32144 D.4 Jumper Locations The jumper locations are shown below for your information; however, since the jumper settings are pre-configured, you should not have to change them. Fig. D-2. Partial view of modem circuit board, showing jumper locations. For each jumper, pin 1 is identified by a “1”...
  • Page 20 NOTES...
  • Page 21 NOTES...
  • Page 22 NOTES...
  • Page 23 NOTES...
  • Page 24 NOTES...
  • Page 25 NOTES...
  • Page 26 APPENDIX C: Connectors, Adapters, and Jumpers Dial Line Connector Phone Connector Function Function A/MI Ring 1 2 3 4 5 6 7 8 1 2 3 4 5 6 Ring RJ-45 RJ-11 A1/MIC REAR PANEL LEASED POWER DIAG DIAL DIAL LINE PHONE DB25...
  • Page 27 MODEM 32144 Table C-1. Pin Assignments—DB25 TIA/EIA Interface Connector Function Designation Source ITU-T Frame ground—not connected Transmit (send) data (TD) Received data (RD) Modem Request to send (RTS) Clear to Send (CTS) Modem Data Set (modem) Ready (DSR) Modem Signal ground (SG)
  • Page 28 APPENDIX C: Connectors, Adapters, and Jumpers C.2 Jumpers If you need to reset a jumper switch, refer to the following page WARNING to determine the jumper that should be switched, where it is Jumpers should be switched located, and how it should be set. only by qualified service The jumpers are numbered on the personnel.
  • Page 29 MODEM 32144 Table C-2. Jumper Switch Functions Position 1 Jumper(s) Function Frame and signal ground connected Alternate position Not connected (no legend) JP2, JP3 A/A1 control (Set to same MI/MIC control position) JP4, JP5, AC power Alternate position DC power (for Telco 48 VDC battery)
  • Page 30 APPENDIX B: Summary Setup B.2 Changing Options via Summary B.2.1 S UMMARY ETUP USHBUTTON UNCTIONS Setup The three Summary Setup screens The appearance of the three setup are different from all other modem screens selected via SETUPS and screens in that you can scroll across AT (profile 0 or 1) is essentially the string of numbers;...
  • Page 31 Hayes mode default settings). Each profiles 0 and 1, the cursor diagram also identifies all possible location is indicated by a settings for each option. solid black box when the cursor is positioned in a blank cell (one with no NOTE characters).
  • Page 32 APPENDIX B: Summary Setup Speed type: 0=Auto (V.32/208), 1=V.33, 2=V.32/32bis, 3=Bell 208 Speed limit, min. (bps): 0=9600, 1=4800, 2=2400,3=1200 4=600, 5=0-300,6=1200/75,7=14,400, 8=12,000, 9=7200 Speed limit, max. (bps): 0=9600,1=4800,2=2400,3=12000,4=600, 5=0-300, 6=EIA-23, 7=1200/75, 8=14,400,9=12,000,A=7200 Buffer mode/speed conversion: 0=enable, 1=disable V.42 mode : 0=off, 1=mandatory, 2=automatic Dialer mode: 0=off, 1=Hayes, 2=DTR dialing;...
  • Page 33 MODEM 32144 a d d r 9 9 9 9 9 9 Group Unit address address Fig. B-2. Address. dial 0 0 0 0 0 0 1 0 2 1 0 Pulse dialing rate (pulse per sec): 0=10, 1=20 Wait for carrier (sec): 0=30, 1=45, 2=60, 3=75 T1 timer (sec): 0=0, 1=0.3, 2=0.8, 3=1.6, 4=3.
  • Page 34 APPENDIX B: Summary Setup 0 1 0 1 1 1 0 0 0 CD and DSR delay: 0=disable, 1=enable Test mode: 0=normal, 1=true Remote digital loopback test: 0=enable, 1=disable Analog loopback test: 0=enable, 1=disable CTS: 0=normal, 1=follow RTS, 2=true, 3=on Carrier detect: 0=normal, 1=true, 2=toggle DSR: 0=normal, 1=true, 2=crossover DTR: 0=normal, 1=true...
  • Page 35 MODEM 32144 L. L. 1 0 0 2 0 0 1 0 Auto-recovery test interval (min): 0=10, 2=40, 3=60 Auto-recovery return (sec): 0=off, 1=10, 2=40, 3=60, 4=120 Auto-recovery select: 0=none, 1=dial if bad 1 min ... 4=dial if bad 4 min,...
  • Page 36 APPENDIX B: Summary Setup "pump1," "pump2," and "pump3" are displayed to help indicate the relative positions of individual options across the LCD. The "pump2", and "pump3" options are identified below. pump 1 2 0 0 2 1 0 3 0 0 0 1 Phase reversal in answer tone: 0=enable, 1=disable Auxiliary channel: 0=enable, 1=disable Speed fallback: 0=enable, 1=disable...
  • Page 37 MODEM 32144 "misc1," "misc2," and "misc3" are displayed to help indicate the relative positions of individual options across the LCD. misc 1 The "misc2", and "misc3" options are identified below. 1 2 3 0 0 0 0 Op. mode fallback: 0=Bell 212A and 103, 1=V.22/V.21/V.23...
  • Page 38 APPENDIX B: Summary Setup AT/ commands AT commands (most are for V.42 options) S registers AT & commands AT b e f l m q v x y AT & c d g j l p q r s x s00 s18 s25 s26 AT / a b c d f k m n p q t v x 11 0 2 1 0 1 4 1...
  • Page 39 APPENDIX A: Quick Setup Configurations Table A-1. Quick Setup Configurations...
  • Page 40 MODEM 32144 Table A-1. Quick Setup Configurations (continued)
  • Page 41 APPENDIX A: Quick Setup Configurations Table A-1. Quick Setup Configurations (continued)
  • Page 42 MODEM 32144 Table A-1. Quick Setup Configurations (continued)
  • Page 43 APPENDIX A: Quick Setup Configurations Table A-2. Additional Quick Setup Configurations Default settings listed by Quick Setup mode Option Bell 4-wire V.29 V.29 leased fast fast V.29 master slave Communication Standard option V.29 V.29 V.29 Speed Limit option, V.32, V.32M, V.32/14.4, V.32/14.4M, V.32/19.2, V.32/19.2M MAX DCE 4800 9600...
  • Page 44 MODEM 32144 Table A-2 (continued). Additional Quick Setup Configurations (Miscellaneous) ADDRESS 999,999 999,999 999,999 999,999 DIALER MODE AUTO Enable Enable Disable Disable ANSWER Data Format Options DATA TYPE Sync Sync Sync Sync CHAR LENGTH PARITY None None None None Disconnect Options...
  • Page 45 APPENDIX A: Quick Setup Configurations Table A-2 (continued). Additional Quick Setup Configurations Test Options DURING REMOTE Enable Enable Enable Enable TEST EIA Options CTS to EIA Normal Normal Normal Normal CD to EIA Normal Normal Normal Normal DSR to EIA Normal True True...
  • Page 46 MODEM 32144 Table A-2 (continued). Additional Quick Setup Configurations COMPR T-III T-III T-III T-III EQUAL TRELLIS Enable Enable Enable Enable CODE TRANSMIT Internal Internal Internal Internal CLOCKING T1 TIMER 0.8 sec 0.8 sec 0.8 sec 0.8 sec Default settings listed by Quick Setup mode...
  • Page 47 APPENDIX A: Quick Setup Configurations Table A-2 (continued). Additional Quick Setup Configurations Auto-Recovery Options AUTO-RECV None None None None SELECT AUTO-RECV RETURN AUTO-RECV 20 min 20 min 20 min 20 min TEST INT’VL AUTO-RECV INTER INTER INTER INTER TEST TYPE LCD Intensity Option INTENSITY...
  • Page 48 MODEM 32144 Do not Make PDF of this page...
  • Page 49 MODEM 32144 3.3 Selecting Options from the Front Panel ........40 3.3.1 DEC/INC (Decrease/Increase) Screens ......41 3.3.2 Example of How to Select an Option ........42 3.3.3 How to Return to the EIA Status Screen ......43 3.3.4 Automatic Configuration Save Feature.........43 3.3.5 How to Return to Default Settings ........43 3.4 Options....................44...
  • Page 50 MODEM 32144 4.8 Dial Line Auto-Recovery ..............83 4.8.1 Setting Up the Modem for Dial Line Auto- Recovery ..................83 4.8.2 Recovery Procedure ...............84 4.9 Leased Line Auto-Recovery .............84 4.9.1 Autodial Backup ..............85 4.9.2 Exit from Leased Line Auto-Recovery ........85 4.9.3 Leased-Line Auto-Recovery Options........86 4.10 Modem Security Operation............87...
  • Page 51 MODEM 32144 6.5 Message Format ................136 6.5.1 Asynchronous................136 6.5.2 Synchronous, Character-Oriented ........136 6.5.3 Synchronous, Bit-Oriented ..........137 7. Diagnostics....................138 7.1 When and Why to Test ..............138 7.2 Symptoms and Scope of the Problem...........138 7.3 Physical Inspection.................139 7.4 Overview of Modem Diagnostics...........139 7.5 How to Select and Activate Tests ...........140...
  • Page 52 MODEM 32144 Appendix D: DC Voltage Models ...............181 D.1 Introduction...................181 D.2 Installation ..................182 D.3 Jumper Settings ................183 D.4 Jumper Locations ................184 Appendix E: LCD Flow Chart ..............185...
  • Page 53 CHAPTER 7: Diagnostics 7.3 Physical Inspection • External analog loopback self test (ALXST) The next step in isolating a defective component is to inspect • Digital loopback (DLB) the system. If you have been able to trace the problem to a specific site, There are two types of remote examine that site.
  • Page 54 MODEM 32144 7.5 How to Select and Activate Tests 7.5.3 R EMOTE ONTROL You can configure the modem to 7.5.1 F RONT ANEL ONTROL ignore or accept requests from Tests are accessed and activated in remote modems to initiate tests on the same way options are selected: your modem.
  • Page 55 CHAPTER 7: Diagnostics Handshake Display TR MR RS CS When two modems establish a 9600 TM ER CD RD connection, they engage in an exchange known as a handshake. D=Dial line occupied While a handshake is taking place, the modem displays several codes R=Ringing (R appears in same ranging from H-01 to H-28 in the position as D.)
  • Page 56 MODEM 32144 LINE LEVELS SCREEN. This • SIZE. Shows size of data packets screen shows the preset level of the (MNP) or blocks (V.42/V.42 transmit signal (TX) and the bis) currently being measured level of the receive transmitted. MNP uses signal (RX).
  • Page 57 CHAPTER 7: Diagnostics - V42, V.42 error correction If you select DOWN from the (LAPM) is active. RATE screen, the modem will fall back to the next lower speed. If you - V42 bis, V.42 bis error correction select UP, the modem will fall (LAPM with data compression) forward to the next higher speed—...
  • Page 58 MODEM 32144 7.8 Local Modem Diagnostics 7.8.1 A (ALB) T NALOG OOPBACK Analog loopback testing allows the Local modem diagnostics are for user to test the local modem and its testing the modem and its adjoin- associated terminal independently ing system. These tests are accessed...
  • Page 59 CHAPTER 7: Diagnostics In Hayes emulation mode only, The EIA status screen will be the ALB test can be initiated using displayed while the test is being the command &T1 (preceded by conducted. Ensure that test data AT). In any mode, the ALB test can is being generated.
  • Page 60 MODEM 32144 TRANSMITTER RECEIVER PATTERN PATTERN GENERATOR DETECTOR Fig. 7-2. Analog Loopback Self Test (ALBST). The SELFTEST screen will be In Hayes mode only, the displayed, with ON and OFF as the ALBST can be initiated using the possible selections. Select ON to command &T8 (preceded by AT).
  • Page 61 CHAPTER 7: Diagnostics To end the test, press the ENT 7.8.4 E XTERNAL NALOG OOPBACK pushbutton to return to the (ALBX) T SELFTEST screen, and then The external analog loopback test select OFF. is available for 4-wire leased line mode only. 7.8.3 A NALOG OOPBACK...
  • Page 62 MODEM 32144 The ALBX test can be initiated From screen 2 of the LCD MAIN by using the modem’s front panel MENU, select TEST. Go to screen 2 controls, as explained in the of the LOCAL TEST menu and following paragraphs.
  • Page 63 CHAPTER 7: Diagnostics The ANALOG LOOP(EXT) During the ALBX test, the screen will be displayed, with ON modem will attempt to retrain and OFF as the possible selections. upon loss of carrier. In switched carrier mode, the modem will Select ON to activate the test. (In attempt to retrain upon loss of general, the DSR during ALB test RTS.
  • Page 64 MODEM 32144 NOTE channels (amplitude distor- tion, delay distortion, noise, The ALXST may result in etc.). The main purpose of errors or may fail altogether the ALXST is to verify that even where conditions are the modem is connected to...
  • Page 65 CHAPTER 7: Diagnostics The ALXST can be initiated To end the test, press the ENT from the modem’s front panel, pushbutton to return to the as follows: ANALOG ST (EXT) screen, and then select OFF. From screen 2 of the LCD MAIN MENU, select TEST.
  • Page 66 MODEM 32144 RECEIVER TRANSMITTER REMOTE MODEM TRANSMITTER RECEIVER DATA TERMINAL EQUIPMENT (DTE) AT LOCAL SITE LOCAL MODEM Fig. 7-5. Digital Loopback (DLB) Test. In Hayes mode only, the DLB test The DIGITAL LOOPBACK can be initiated using the screen will be displayed, with ON command &T3 (preceded by AT).
  • Page 67 CHAPTER 7: Diagnostics 7.9 Remote Modem Diagnostics 7.9.1 R EMOTE IGITAL OOPBACK (RDL) T The modem is capable of performing two tests on compatible The RDL test (Fig. 7-6) allows remote modems: remote digital testing of the local modem, remote loopback (RDL) and remote digital modem and telephone line from loopback self-test (RDLST).
  • Page 68 MODEM 32144 RECEIVER TRANSMITTER LOCAL MODEM TRANSMITTER RECEIVER DATA TERMINAL EQUIPMENT (DTE) AT LOCAL SITE REMOTE MODEM Fig. 7-6. Remote Digital Loopback (RDL) Test. From the REMOTE DIGIT 7.9.2 R EMOTE IGITAL OOPBACK LOOP screen, select ON to activate (RDLST) the test.
  • Page 69 CHAPTER 7: Diagnostics In Hayes mode only, the From the RDL SELFTEST RDLST can be initiated using the screen, select ON to activate the command &T7 (AT &T7). In any test. The status screen will be mode, the RDLST test can be displayed as the test is being initiated from the front panel as conducted.
  • Page 70 MODEM 32144 6.1.2 2 = D (DIAL V.25 6.2 V.25 bis Autodialer Commands IALER CREEN In asynchronous applications, V.25 If you enable the V.25 bis bis commands are issued directly autodialer using the Dialer Mode from the DTE keyboard or through option, no other options will be communications software.
  • Page 71 CHAPTER 6: V.25 bis Autodialer CRN - CALL REQUEST, NUMBER PRN - PROGRAM NORMAL PROVIDED. (Syntax: CRN (STORE NUMBER). (Syntax: PRN 5557979) By using the CRN 1;5551212) The PRN command is command, you can dial a number used to store a number or dial directly from the DTE keyboard.
  • Page 72 MODEM 32144 RLN - REQUEST STORED If a phone cell number is NUMBER(S). RLN can be used to specified after RLN, e.g., RLN 5, request a list of all stored numbers the DTE display will show only the or to show the number stored in a number stored in the specified specific phone cell.
  • Page 73 CHAPTER 6: V.25 bis Autodialer Table 6-1. V.25bis Autodialer Commands Command Function Connect next incoming call. CRN n Call request—dial number (n) entered on DTE keyboard. CRS m Call request—dial number stored in specified memory address (m). Disregard incoming calls. PRN m;...
  • Page 74 MODEM 32144 6.3 Dialing Parameters Table 6-2 lists dialing parameters that may be used with the CRN command to modify dialing operations. Table 6-2. V.25 bis Dialing Parameters (Table also applies to Dumb mode and Bell 208 operation) Characters that can be pulse or tone dialed: 0-9...
  • Page 75 CHAPTER 6: V.25 bis Autodialer Table 6-2. V.25 bis Dialing Parameters (Table also applies to Dumb mode and Bell 208 operation) Characters that can be pulse or tone dialed: 0-9 Can only be tone dialed: A,B, C, D, # and * Wait for silence.
  • Page 76 MODEM 32144 Table 6-3. V.25 bis Result Codes Sent by— 1 Code Meaning CFI AB Call failure—call aborted because of loss of DTR or because HANGUP was selected from front-panel AUTO-DIAL screen. CFI CB Call failure because DCE is busy.
  • Page 77 CHAPTER 6: V.25 bis Autodialer Table 6-3. V.25bis Result Codes (continued) Sent by— 1 Code Meaning CFI RT Call failure—ring tone. Ringback detected, but no answer. Call connecting. ANS/ORG Incoming call. INV CU Invalid—command unknown. ANS/ORG INV MS Invalid message (command) syntax. ANS/ORG INV PS Invalid parameter value.
  • Page 78 MODEM 32144 6.5 Message Format The message format for V.25 bis DTE-to-DCE communications is summarized below: 6.5.1 A SYNCHRONOUS MARK|MESSAGE|CR|LF|MARK This format uses one start bit, 8-bit data units, and a 1-unit stop bit. The 8-bit data units are formed by a 7-bit IA5 character and an even parity bit.
  • Page 79 CHAPTER 6: V.25 bis Autodialer 6.5.3 S YNCHRONOUS RIENTED ||FLAG|ADDR|CTRL|MESSAGE|FCS|FLAG| Consecutive 8-bit data units are used within the message and submitted to the HDLC framing (zero insertion). The 8-bit data units are formed by a 7-bit IA5 character and an off parity bit.
  • Page 80 MODEM 32144 • ESCAPE SEQUENCE (+++). • A/ COMMAND. Repeats the The escape sequence causes commands included in the the modem to escape from the previous command line. data transfer mode so it can Because the AT is also interpret commands.
  • Page 81 CHAPTER 5: Hayes Emulation Mode MISSING PARAMETER. A Dial command modifiers: missing parameter is interpreted L—Links a phone number to as a zero. For example, the E another number to be dialed as an command (echo) can be sent as alternate.
  • Page 82 MODEM 32144 Result codes 0-4 comprise the to the transmission speed set when basic result code set: OK, the communication port was CONNECT, RING, NO CARRIER, initialized. and ERROR. Codes 5-43 provide additional response information, as When answering a call, the explained in Table 5-2.
  • Page 83 CHAPTER 5: Hayes Emulation Mode 5.4 Compatible Commands The A command is used to manually answer an incoming call All that can be used with the or to transfer a call between two modem are listed in Table 5-1 individuals to a communication (near the end of the chapter.) between their computers: One More detailed information is...
  • Page 84 MODEM 32144 In response to this command, the stored in memory location 2. modem dials the telephone H—TELEPHONE SWITCH number 333-1234, and then waits HOOK. The H command on-hook) for a carrier tone from the distant is used to terminate a call. (On- modem (default wait time, 30 hook corresponds to off-line.)
  • Page 85 CHAPTER 5: Hayes Emulation Mode NOTE dialed in a loop until a connection can be established or until 10 calls L may also be used in V.25 have been attempted. bis mode with the CRN command (instead of AT D), O —FORCED ON-LINE.
  • Page 86 MODEM 32144 This command would change the result code is enabled by the X value of register S7 to 30. If you command). enter just =5, the autodialer will change the value of the last register Z—RECALL STORED USER used to 5. More information on S PROFILE.
  • Page 87 CHAPTER 5: Hayes Emulation Mode The first example is a banking You may be able to use this transaction: The command AT command for transferring calls. D333-1234; dials the bank’s phone number and returns the modem to &F—RECALL FACTORY the command state. After the OK CONFIGURATION.
  • Page 88 MODEM 32144 The &W command cannot be using the DS (dial stored number) used to write changes to the user command. The syntax is &Zm=n, profiles if the modem front panel where m specifies the memory has been disabled by the Front location where the phone number Panel Control option.
  • Page 89 CHAPTER 5: Hayes Emulation Mode \S—VIEW STATUS OF V.42- AT S0? S7? RELATED CONFIGURATION. The \S command displays the active A typical response might be V.42 error correction 001,030, OK, meaning that the configuration, stored V.42 profiles, values stored in registers S0 and S7 and certain other data not are 1 and 30, respectively.
  • Page 90 MODEM 32144 5.5.2 S R return only when word result codes EGISTER UNCTIONS have been selected (command V1). This section describes the function Line feed can be changed to a null of individual S registers. but cannot be totally disabled.
  • Page 91 CHAPTER 5: Hayes Emulation Mode recognize the tone and indicate a any timing relationship, but they carrier detect. (The time required must be consecutive. Be cautious for the absence of a carrier tone to when assigning small guard times, be recognized is fixed at 0.5 however.
  • Page 92 MODEM 32144 Synchronous modes 1, 2, and 3: profile 1 differently. Use profile 0 for your standard configuration A change in DTR (ON or OFF) and make it the default profile which lasts for less than the value (&Y0). Profile 1 (optional) is...
  • Page 93 CHAPTER 5: Hayes Emulation Mode commands and save them to LCD to display an option profile 0 using the &W command, setting that does not reflect the the changes made using Hayes setting currently in effect.) commands and saved to profile 0 •...
  • Page 94 MODEM 32144 Table 5-1. Hayes Compatible Commands Command Function/Explanation ANSWER No parameters. REPEAT PREVIOUS COMMAND. No parameters. BELL/CCITT COMPATIBILITY MODE* Selects CCITT V.22 mode (2100 Hz). Selects Bell 212A mode (2225 Hz). Modem displays OK; command has no other effect. (This response—instead of ERROR—...
  • Page 95 CHAPTER 5: Hayes Emulation Mode Table 5-1. Hayes Compatible Commands (continued) Command Function/Explanation PRODUCT CODE OR CHECKSUM Requests product code. Requests checksum for the modem’s software. (Only a portion of the checksum displayed via the front panel will be displayed, in decimal format.) Requests verification of software checksum.
  • Page 96 MODEM 32144 Table 5-1. Hayes Compatible Commands (continued) Command Function/Explanation Sn=v MODIFY S REGISTER. n is the register to be modified; v is the value to be written. READ S REGISTER. n is the register to be read. TONE DIAL. No parameters.
  • Page 97 CHAPTER 5: Hayes Emulation Mode Table 5-1. Hayes Compatible Commands (continued) Command Function/Explanation Resets modem and recalls stored user profile 0. Resets modem and recalls stored user profile 1. , (comma) PAUSE. No parameters, but default pause time (in register S8) is 2 seconds. ;...
  • Page 98 MODEM 32144 Table 5-1. Hayes Compatible Commands (continued) Command Function/Explanation &L Modem displays OK result code; command has no other effect. (The modem is configured for leased line or dialup line operation via the front-panel QUICK SETUP and/or LINE TYPE screens.)
  • Page 99 CHAPTER 5: Hayes Emulation Mode Table 5-1. Hayes Compatible Commands (continued) Command Function/Explanation &T TEST COMMANDS &T0 Terminates a test in progress. &T0 must be the last command in a command line. &T1 Initiates a local analog loopback test. &T3 Initiates a local digital loopback test.
  • Page 100 MODEM 32144 Table 5-1. Hayes Compatible Commands (continued) Command Function/Explanation &Y DEFAULT USER PROFILE &Y0 Stored user profile 1 will be recalled on powerup. &Y1 Stored user profile 1 will be recalled on powerup. &Z STORE TELEPHONE NUMBER. Parameters 0-9 (available memory locations).
  • Page 101 CHAPTER 5: Hayes Emulation Mode Table 5-1. Hayes-Compatible Commands (continued) Command Function/Explanation Selects non-destructive/expedited break handling. Selects non-destructive/non-expedited break handling. V.42 bis OPERATION* 1 Enables V.42bis operation (error correction with data compression). Disables V.42bis operation. V.42 MODE* 1 Disables error correction. Enables mandatory mode for error correction.
  • Page 102 MODEM 32144 Table 5-1. Hayes-Compatible Commands (continued) NOTE: DTE speed and parity are set automatically. Auto-answer is enabled or disabled by S register S0. Command Function/Explanation CTS on/off or RTS on/off (CTS for DCE-DTE flow control, RTS for DTE-DCE). DC1/DC2 flow control.
  • Page 103 CHAPTER 5: Hayes Emulation Mode Table 5-2. Hayes Mode Result Codes Digit code Word code Meaning Command line executed without errors CONNECT Carrier detected at 0-300, 1200, or 2400 bps (basic code set) RING Ringing signal detected (in answer mode). (When the modem detects a ring, it sends a RING result code unless it is in the process of accepting a command.
  • Page 104 MODEM 32144 Table 5-2. Hayes Mode Result Codes (continued) Digit code Word code Meaning CONNECT 0600 Carrier detected at 600 bps. CONNECT 2400 Carrier detected at 2400 bps. CONNECT 1275 Modem is on-line in V.23 mode (1200/75 bps). CONNECT 7200 Carrier detected at 7200 bps.
  • Page 105 CHAPTER 5: Hayes Emulation Mode Table 5-2. Hayes Mode Result Codes (continued) BUFFER V42bis 28-19200 36-19200 44-19200 55-38400 29-9600 37-9600 45-9600 56-19200 30-4800 38-4800 46-4800 57-9600 31-2400 39-2400 47-2400 58-4800 32-1200 40-1200 48-1200 59-2400 33-600 41-600 49-600 60-1200 34-300 42-300 50-300 61-600 35-110...
  • Page 106 MODEM 32144 Table 5-3. S Register Functions (only registers intended for user access are listed) Register Range Units Default Description 0-255 rings Ring to answer on 0-255 rings Counts the number of rings 0-127 ASCII Escape code character 0-127 ASCII...
  • Page 107 CHAPTER 5: Hayes Emulation Mode Table 5-3. S Register Functions (only registers intended for user access are listed) 2-255 Wait time before blind dialing 1-60 Wait time for carrier or dial tone 0-255 Pause time for comma 1-255 Carrier detect response time 1-255 1/10 sec...
  • Page 108 MODEM 32144 Table 5-3. S Register Functions (only registers intended for user access are listed) Register Range Units Default Description 70-255 Tone spacing 0-255 1/50 sec Escape code guard time 0-255 Test timer 0-255 sec or Delay to DTR 1/100 sec 1...
  • Page 109 CHAPTER 4: General Operation and Special Features The number stored via the • Use the right and left arrow PHONE screen is stored in phone pushbuttons to go to the cell 0 (zero). To autodial the front- position on the LCD where you panel phone number in Hayes or want to enter or change a V.25bis mode, specify phone cell 0.
  • Page 110 MODEM 32144 Table 4-1. Dialing Control Characters (for use with front-panel PHONE screen) Character Function (space) Used only for clarity. (comma) Effects 2-second pause. W (or colon) Wait 30 seconds for dial tone before proceeding. Sets pulse dialing mode. Sets tone dialing mode.
  • Page 111 CHAPTER 4: General Operation and Special Features 4.3 Automatic Fallback For communication within the United States, use the default The modem incorporates three setting for Operating-Mode automatic fallback features that can Fallback—V.22bis/Bell 212A/Bell be controlled by the user: 103. • Operating-Mode Fallback— V.22 bis/V.22/V.21/V.23 Fallback Provides compatibility with Operation...
  • Page 112 MODEM 32144 V.22, 1200 bps; F5—V.22bis, Available Fallback Modes 2400 bps; F6—V.32 (highest common speed). Except for The preferred mode is V.32/ V.32bis (4800 bps or higher, multi-mode operation, the mode and speed are limited to asynchronous/synchronous, full the mode and speed specified.
  • Page 113 CHAPTER 4: General Operation and Special Features Table 4-3. V.22 bis/V.22/V.21/V.23 Fallback Mode Description V.22 bis 2400 bps asynchronous/synchronous V.22 1200 and 600 bps asynchronous/synchronous V.21 300 bps asynchronous V.23 1200/75 bps asynchronous All modes are full duplex. The operating mode can be the minimum and maximum rate controlled by the user through the settings of the Speed Limit option.
  • Page 114 MODEM 32144 4.4 Dumb Mode and Bell 208 Originating a Data Call Manually Operation To manually originate a data call, Table 4-3 lists dialing parameters select TALK from MAIN MENU that may be used to modify Dumb screen 1. The MANUAL-DIAL mode or Bell 208 dialing screen will now be displayed.
  • Page 115 CHAPTER 4: General Operation and Special Features Answering a Data Call Manually Terminating a Data Call An incoming call may be answered There are several ways a data call manually or automatically, can be terminated. One way is although to answer a data call through communication manually, the Auto-Answer option software—by following the software...
  • Page 116 MODEM 32144 4.5.2 B 208 O local RTS control of a remote CD PERATION signal without actual ON-OFF In V.32/208 auto-detect mode, an switching of the modem carrier. answering modem will, upon detection of an originating Bell The following explains how the...
  • Page 117 CHAPTER 4: General Operation and Special Features 4.7.1 D 4.8.1 S IALING A TORED UMBER ETTING UP THE ODEM FOR ECOVERY DTR dialing allows you to set up the modem to automatically dial a Two steps are required to set up the stored number even when the modem for Dial Line Auto- autodialer has not been enabled.
  • Page 118 MODEM 32144 Enabling Dial Line Auto-Recovery 4.9 Leased Line Auto-Recovery The Leased Line Auto-Recovery Dial Line Auto-Recovery will not be feature allows the modem to active until you select DIAL from automatically restore operation for the front panel AUTO-DIAL screen...
  • Page 119 CHAPTER 4: General Operation and Special Features 4.9.1 A 4.9.2 E UTODIAL ACKUP XIT FROM EASED ECOVERY The modem will automatically dial the stored number to connect over If the Leased Line Auto-Recovery the backup line if it detects poor Return option is enabled (see signal quality (ER) or a loss of below, the modem will...
  • Page 120 MODEM 32144 4.9.3 L Manual Recovery EASED ECOVERY PTIONS If both modems are set for Three options allow you to specify MANUAL RECOVERY, the the criteria the modem will use in originate unit can be used to determining when to enter and...
  • Page 121 CHAPTER 4: General Operation and Special Features Test Interval (Test) • Manual-response password protection (MPP). Remote If the Return option has been users attempting to connect to enabled (10, 40, 60, or 120 s), the the modem are required to Test Interval selections control how enter a password.
  • Page 122 MODEM 32144 With either type of APP, each NOTE incoming call is password- When APP is used, the protected, yet there is no need for modem will not fall back to user to enter a password. Passwords speeds lower than 7200 bps.
  • Page 123 CHAPTER 4: General Operation and Special Features • Both modems go on-hook. same as any other password stored in the answer modem’s • The answer modem calls the memory (for APP or MPP). originating modem back. APP with callback will not func- tion if the master password is •...
  • Page 124 The change-password the space is shown on the LCD as screen will be displayed. If a a flashing black box; otherwise, password has been previously spaces appear as void spaces. programmed, it will be displayed.
  • Page 125 CHAPTER 4: General Operation and Special Features Entering the Selected Password From the DTE, use the Hayes AT &Z command and /S (a special When the new password is correctly command) to store the user displayed on the LCD, press the password (capital A through Z, no ENT pushbutton.
  • Page 126 MODEM 32144 PASSWORD screen. The change- 4.14 Manual-Response Password password screen will be displayed. Protection (MPP) With the cursor in the first The modem can be configured character position, press for two types of MPP: pushbutton 2 (SKIP) until a space appears (flashing ).
  • Page 127 CHAPTER 4: General Operation and Special Features 4.15 Commands for Enabling MPP The modem incorporates 10 memory locations for storing Modem configuration for MPP is telephone numbers, passwords, controlled from the DTE by a and/or the MPP password special set of password commands. commands listed in Table 4-4.
  • Page 128 MODEM 32144 Rules for Using Passwords and Commands Password Commands (MPP) • Only one command (/A, /P, • Memory locations 0 and 2-9 or /U) can be stored in each may be used for storing phone memory location. numbers; locations 2-9 may •...
  • Page 129 CHAPTER 4: General Operation and Special Features NOTE To Program MPP without Callback Operation The administrative pass- word may only be stored in Use the commands AT &Z and /P memory location 1. The to specify the password to be used command line, including AT for MPP without callback &Z1=, cannot exceed 40...
  • Page 130 MODEM 32144 The callback number in this To Program a Response to a Correct example is 555-1212 (with T Password: used to specify tone dialing); the Enter AT &Z0=/UCONNECTED password is CANARY. A remote user can now call from the...
  • Page 131 CHAPTER 3: Options: Customizing the Modem Setup EXITS FROM DISPLAYS PREVIOUS DISPLAYS NEXT DISPLAYED MENU SCREEN MENU SCREEN SCREEN USED TO SELECT CHOICE 1, 2 OR 3 FROM THE LCD (Each of the possible selections on the bottom line of the LCD is identified as 1, 2 or 3 below the LCD.) Fig.
  • Page 132 MODEM 32144 3.3 Selecting Options from the Front Numbered Pushbuttons Panel Pushbuttons 1, 2, and 3 correspond This section applies to all option to segments 1, 2, and 3 of the LCD screens on the front panel LCD screen. These segments (left,...
  • Page 133 CHAPTER 3: Options: Customizing the Modem Setup < 1 > SETUP QUICK LINE SPEED Front panel Fig. 3-2. The Front Panel. • The option choices you select When an option is first selected, are automatically saved by the it will flash on and off on the LCD. modem when you leave the However, it will not take effect until SETUP menu.
  • Page 134 MODEM 32144 3.3.2 E Press pushbutton 1 to access the XAMPLE OF OW TO ELECT AN first page of the SETUP menu: PTION The example that follows illustrates how options are selected. As you follow the steps below, refer to the SETUP <1>...
  • Page 135 CHAPTER 3: Options: Customizing the Modem Setup Press pushbutton 3 to select 3.3.4 A UTOMATIC ONFIGURATION SPKVOL (speaker volume). The EATURE SPEAKER VOLUME screen will When you exit the SETUP menu, be displayed: the modem automatically saves its current configuration (i.e., option setups, including any changes you SPEAKER VOLUME have selected) to its internal...
  • Page 136 MODEM 32144 3.4 Options 2W-LL. This selection (2-wire leased line) is used for leased line The rest of this chapter describes applications that use 2-wire lines. the options available from the modem front panel. The options 4W-LL. This selection (4-wire...
  • Page 137 CHAPTER 3: Options: Customizing the Modem Setup Table 3-1. Effect of Speed Limit Settings on Data Rate. Max rate Dialer Resultant data rate, bps setting, bps option Leased line modes 14,400 14,400 19,200 19,200 12,000 12,000 9600 9600 7200 7200 4800 4800 300 to 2400...
  • Page 138 MODEM 32144 Speed Matching V.33 or Bell 208 speed types can be set independently of other If speed conversion is not desired, options via the SPEED TYPE the DTE interface rate should be screen; however, to ensure proper set to follow the rate at which the operation, it is recommended modem connected (i.e., DTE rate =...
  • Page 139 CHAPTER 3: Options: Customizing the Modem Setup SPEED TYPE V.32 Fig. 3-3. Current Speed Type Selection. V.32. The modem normally uses Both connected modems must the V.32 handshake. (The modem be set for 208A/B operation. For also uses this handshake for 2-wire applications, the carrier V.32/14.4 Kbps operation.) option must be set for switched...
  • Page 140 MODEM 32144 AUTO. This selection configures For further information on Bell the modem for V.32/208 auto-detect 208 mode, see chapter (section mode. This mode allows the modem titled Dumb Mode and Bell 208 to automatically select V.32 or Bell Operation).
  • Page 141 CHAPTER 3: Options: Customizing the Modem Setup • The connected systems must applicable only to MNP operation. support data flow control The error correction options can (have buffering capabilities). be selected in any order, but the following sequence is suggested: Note—...
  • Page 142 MODEM 32144 OFF. Error correction will be V.42 Selection Options disabled. The following two options are MANDATORY. Error correction available through the V.42 will be activated. If the modem SELECTION screen: cannot establish a connection using the type of error correction Protocol selected via the V.42 Selection...
  • Page 143 CHAPTER 3: Options: Customizing the Modem Setup NOTE NON-DESTRUCTIVE/ EXPEDITED (NDT/EXP). The If a connection cannot be attention packet is passed through established using immediately, but data in the buffer selected protocol LAPM/MNP, is not deleted. LAPM ONLY or MNP ONLY), the action the modem will NON-DESTRUCTIVE/NON- take depends on the V.42...
  • Page 144 MODEM 32144 This option controls the DTE Flow Control speed; however, it is effective only when the modem is operating in The flow control options control the data flow according to the V.42 mode, MNP mode or buffer mode. (If the modem is not in one...
  • Page 145 CHAPTER 3: Options: Customizing the Modem Setup Fig. 3-4 illustrates the available flow- control options. Tx link Tx link Rx link pass-through pass-through pass-through flow control flow control flow control flow control flow control flow control Rx link Rx link Tx link pass-through pass-through...
  • Page 146 MODEM 32144 DC1/DC2. This option inserts DTE Pass-through Flow Control the control characters ^R and ^Q into the data stream to stop and Hayes, V.25 bis, Dumb, Leased-line start/restart the flow of data from modes (except V.33) a device. (DC1/DC2 is also called...
  • Page 147 CHAPTER 3: Options: Customizing the Modem Setup digit you want to change. Then use NOTE pushbutton 1 to decrease (DEC) DTR dialing for V.25 bis a number and pushbutton 3 to mode or Penril autodialer increase (INC) it. The default mode cannot be enabled address is 999,999.
  • Page 148 MODEM 32144 Setting the Auto-Answer option selected for both the local and the to ENABLE resets Hayes mode remote modems. Use pushbuttons register S0 to 1 (meaning that calls 1 and 3 to select the desired will be answered on the first ring).
  • Page 149 CHAPTER 3: Options: Customizing the Modem Setup In Hayes mode, autobaud NOTE overrides the front panel parity For Hayes mode operation, setting; this occurs when the the RX Space Disconnect modem receives the AT attention and TX Space Disconnect code. options must both...
  • Page 150 MODEM 32144 Line Current Disconnect Remote Test V.25 bis, Dumb modes All modes If enabled, a 400-ms loss of The Remote Test option allows current will cause the line to be you to prevent remote digital disconnected. loopback or remote digital...
  • Page 151 CHAPTER 3: Options: Customizing the Modem Setup CTS to EIA NOTE Hayes, V.25 bis, Dumb, Leased-line The modem also supports a modes (except V.33) CTS option intended only for V.33 and Bell 208A/B Regardless of the setting selected operation, which for this option, Clear to Send described later in this (CTS) goes low.
  • Page 152 MODEM 32144 DTR from EIA voltage results in normal operation. Disabling this option keeps the All modes modem from responding to pin 21. This option allows the user to Test Mode (TM to EIA) force the Data Terminal Ready (DTR) signal on (TRUE), which...
  • Page 153 CHAPTER 3: Options: Customizing the Modem Setup Dialup Applications Signal Quality For dial line use, the carrier detect All modes level can be set for –51, –41 or –34 dBm. The default setting is –51 This option sets the threshold for dBm.
  • Page 154 MODEM 32144 Where line conditions are RECEIVED (RX-CLK). The atypical, it may be necessary to timing of the data received from adjust the equalizers to optimize the remote modem is used to the signal quality. If adjustment is control the timing of the trans- necessary, refer to the quality mitted data.
  • Page 155 CHAPTER 3: Options: Customizing the Modem Setup Normally, as part of the V.32 ANSWER. The modem is set to handshake, the calling modem answer mode. begins sending a sequence to the answer modem while the answer ORIGINATE. The modem is set modem is still sending answer to originate mode.
  • Page 156 MODEM 32144 Control is disabled, front-panel these modes, you should turn the screens that do not affect the guard-tone option OFF. If guard modem configuration (such as tones are required, their frequency AUTO-DIAL and test modes) can be set to 550 Hz or 1800 Hz will function.
  • Page 157 CHAPTER 3: Options: Customizing the Modem Setup NOTE CONSTANT. Constant, or continuous carrier can be used If V.13 operation is enabled only for 4-wire leased line (TX ONLY, RX ONLY or TX applications (although such AND RX), the data format is applications may also use switched automatically changed to carrier).
  • Page 158 MODEM 32144 NOTE RTS-CTS Delay with V.13 Operation RTS-to-CTS delay is not If the V.13 Operation option is set effective if the CTS option is to TX ONLY or TX AND RX, the set to ON (always ON). For actual RTS/CTS delay time may V.33 operation, RTS-to-CTS...
  • Page 159 CHAPTER 3: Options: Customizing the Modem Setup 3.16.1 D LCD Intensity PTIONS (The numbers used to select All modes different settings for each option on the Summary Setup LCD screen This option allows you to use are arranged according to option pushbutton 3 (for INC or increase) groups—dial line options, V.42 to darken characters on the LCD...
  • Page 160 MODEM 32144 DCE Pass-through Flow Control control character (which instructs the modem to resume Hayes, V.25 bis, Dumb, Leased-line transmission). modes (except V.33) If Link Flow Control is enabled This option affects DCE-DTE with DTE-DCE flow control set to flow control only. It is effective only...
  • Page 161 CHAPTER 3: Options: Customizing the Modem Setup 3.16.3 D the modem does not detect an PTIONS energy loss, it turns CD on 52 ms Phase Reversal in Answer Tone after the end of the delay. The modem ignores any energy loss All modes during the first 8.5 ms.
  • Page 162 MODEM 32144 When V.32bis mode is selected, manufacturers’ V.22 bis modems 7200 bps can be selected as the that do not conform fully with the maximum or minimum data rate V.22 bis standard, the modem’s S1 (using the Speed Limit option).
  • Page 163 CHAPTER 3: Options: Customizing the Modem Setup ENABLE. Enables DTR dialing for T1 TIMER. If the T1 timer V.25 bis mode. setting is selected, the modem will attempt to handshake with a calling DISABLE. Disables DTR dialing for V.32 modem for the time specified V.25 bis mode.
  • Page 164 MODEM 32144 ON. The state of RTS input Wait for MNP Link Request (EIA pin 4) will be signaled to the remote modem’s CD output, and Hayes, V.25 bis (Async only), Dumb, Leased-line modes CD (pin 8) on the local modem will follow the state of the remote (except V.33)

  • Page 165: Installation

    CHAPTER 3: Options: Customizing the Modem Setup Low-Profile DIAG LED Function All modes This option may be used to change the function of the DIAG LED on low-profile modems (Appendix D), as explained below. CONNECT STATUS. DIAG LED on indicates the modem’s diagnostic port is actively connected.

  • Page 166: Connections

    MODEM 32144 2.1.2 C • Optional: If you want to use ONNECTIONS the telephone line for voice Fig. 2-1 shows how the modem is transmissions (when the connected to the computer or modem is not operating in terminal, power, phone lines, and data mode) or for manual handset (optional).

  • Page 167: Jumpers

    CHAPTER 2: Quick Start REAR PANEL LEASED LINE POWER PHONE EIA RS-232C DIAGNOSTIC INTERFACE CABLE CONNECTOR* WITH DB-25 CONNECTOR DIAL LEASED LINE* LINE* DATA TERMINAL POWER TELEPHONE* EQUIPMENT TRANSFORMER (HANDSET) (DTE) * NOT REQUIRED FOR ALL APPLICATIONS Fig. 2-1. Installation of the Modem. 2.1.3 J UMPERS For most applications, you don’t...

  • Page 168: Front-Panel Lcd And Controls

    MODEM 32144 2.2 Front-Panel LCD and Controls To select a Quick Setup V.32 bis/19.2M configuration (as explained in the Version 3.02 next section), you will need to use the pushbuttons and liquid crystal display (LCD) on the modem’s front panel. These features are shown in Fig.

  • Page 169: Power-On Screen

    CHAPTER 2: Quick Start 2.2.1 P D=Dial line occupied OWER CREEN When the modem is powered on, R=Ringing (R appears in same the unit momentarily displays the position as D.) power-on screen, which typically looks like this: S=Connection secured by security handshake (S appears in the same position as D.

  • Page 170: Quick Setup

    MODEM 32144 2.3 Quick Setup MAIN MENU <1> To quickly set up the modem TALK QUICK DIAL for immediate use (or to quickly change the modem’s configu- ration for an alternate mode You will only need to press the of operation), select one of the...
  • Page 171 CHAPTER 2: Quick Start There are 15 QUICK SETUP 5. Press the ENT button twice. As screens, one for each Quick you do this, you will see SETUP Setup configuration. For a brief screen 1; then—after you press description of each Quick the ENT button a second time Setup configuration, see Table —the modem will reset.
  • Page 172 MODEM 32144 Table 2-1. Available Quick Setup Configurations. Quick Setup as Identified on LCD Description QUICK SETUP <1> 2-Wire Dial Hayes Emulation Mode— 2-W DIAL (HAYES) This Quick Setup (for communication over ordinary phone lines) allows the modem to automatically dial (autodial) a previously stored phone number and respond to Hayes commands.
  • Page 173 CHAPTER 2: Quick Start Table 2-1. Available Quick Setup Configurations (continued). Quick Setup as Identified on LCD Description QUICK SETUP <4> 2-Wire Dial V.25 bis Mode, V25 DIAL (Syn-b) Synchronous, Bit-Oriented—Same as Quick Setup 2 except for data protocol. Use Quick Setup 4 if the DTE is synchronous, bit-oriented.
  • Page 174 MODEM 32144 Table 2-1. Available Quick Setup Configurations (continued). Quick Setup as Identified on LCD Description QUICK SETUP <8> 4-Wire Leased Line Originate Mode— 4-W LEASED (ORG) Same as Quick Setup 6 except for line type. Use Quick Setup 8 if the...
  • Page 175 CHAPTER 2: Quick Start Table 2-1. Available Quick Setup Configurations (continued). Quick Setup as Identified on LCD Description QUICK SETUP <13> 4-Wire Leased Line V.29 Mode— 4-WLL V.29 This Quick Setup configures the modem for V.29 operation, for compatibility with V.29 modems. QUICK SETUP <14>...
  • Page 176 MODEM 32144 Table 2-2. Quick Setup Modes Supported. Quick Setup V.32/19.2M Hayes (01) V.25bis (02-04) Dumb (05) Leased (06-09) V.33 (10) Bell 208 (11-12) V.29 (13-15) Opt. Y Yes; supported. N No; not supported. Opt. Optional;...

  • Page 177: Basic Operation

    CHAPTER 2: Quick Start 2.4 Basic Operation If you have to dial an access code such as 9 to dial out of your To assist you in getting the modem building, insert the access code up and running, the following and a comma in the dial string.

  • Page 178: 2-Wire Dial V.25 Bis Mode (Quick Setup 2-4)

    MODEM 32144 indicate that the modem is tran- Asynchronous V.25 bis Operation smitting and receiving data). (The speed may be other than 9600 bps; In asynchronous applications, V.25bis commands (listed in the modem will automatically adjust to the speed of the remote...

  • Page 179: 2-Wire Dial Dumb Mode (Quick Setup 5)

    CHAPTER 2: Quick Start Synchronous V.25 bis Operation Originating a Call from the Front Panel In synchronous applications, the V.25 bis commands can be used Before you can originate a call to facilitate computer-controlled from the front panel, you must operations.
  • Page 180 MODEM 32144 be stored are listed in Chapter 4.) When the local modem has The phone number is saved when successfully established a you return to the Main Menu. To connection with the remote unit, return to the EIA status screen, the EIA status screen should be press ENT three times.

  • Page 181: Leased Line (2- Or 4-Wire) Mode (Quick Setup 6-9)

    CHAPTER 2: Quick Start Terminating a Data Call • Leased line operation is restricted to data rates of Normal termination of a data call is 4800 bps or higher. processed through communication • Lines can be conditioned software. An alternate method is to or unconditioned.

  • Page 182: 2-Wire Dial Bell 208 Operation (Quick Setup 11-12)

    MODEM 32144 A 4-wire line must be used 2.7 2-Wire Dial Bell 208 Operation (conditioned or unconditioned), (Quick Setup 11–12) and both connected modems must The modem supports Bell 208 be set for V.33 operation. operation. To confirm this, select SETUP from MAIN MENU screen After the V.33 Leased Line...

  • Page 183: Two Types Of Bell 208 Operation

    CHAPTER 2: Quick Start QUICK SETUP <10> 2-W DIAL (208) QUICK SETUP <11> 2-W DIAL V32/208 Fig. 2-3. Quick Setup. 2.8 Two Types of Bell 208 Operation Beginning with the section titled “Answering a Call Automatically,” Two Bell 208 Quick Setups are all information in Section 2.4.3 also available, as shown in Table 2-1.

  • Page 184: V.32/208 Auto-Select Mode

    MODEM 32144 2.8.2 V.32/208 A The modem will repeat the train- ELECT ing sequence every 1.2 seconds The Quick Setup identified on the until the remote modem responds. LCD as 2-W DIAL V32/208 (shown above) configures the modem for When the local modem has V.32/208 auto-detect mode.

  • Page 185: Dial Backup

    CHAPTER 2: Quick Start 2.9.1 V.32 D 2.10 V.29 Fast Master and Slave ACKUP Modes (Quick Setups 14–15) NOTE Dial backup can only be used NOTE in point-to-point applications. Modems used in a V.29 Fast Master and Slave (multidrop) To prevent service interruption configuration must be modems in case of poor leased line that support V.29 operation.
  • Page 186 RTS is held on you’re using V.29 for more than 30 seconds, there is master/slave async in an a fault in the DTE. unmanned location, call Black Box Tech Support at NOTE 724-746-5500. See page 176 (pump 3) to enable anti-streaming.

  • Page 187: If You Have Problems

    CHAPTER 2: Quick Start If you access the TIA/EIA status 2.11 If You Have Problems screen on the LCD display when a If you encounter difficulties in slave modem is transmitting to the setting up or using the modem, try master modem, the status screen the remedies described below.

  • Page 188: Hayes Mode

    MODEM 32144 2.11.3 A 2.11.4 H SYNCHRONOUS ODES AYES The modem’s default DTE speed is In Hayes mode, with default 38,400 bps in asynchronous mode. settings in effect, the modem If the local DTE does not support transmits result codes (messages) this speed, change the modem’s...

  • Page 189: All Asynchronous Modes

    CHAPTER 2: Quick Start 2.11.5 A 2.11.6 L V.33 EASED ODES EASED XCLUDING (2-W , 4-W , V.33, V.29) V.29 O PERATION DTR (Data Terminal Ready) must Make sure one modem has been be ON for the units to train on the set to originate mode and that the leased line.

  • Page 190: Options: Customizing The Modem Setup

    CHAPTER 1: Specifications Table 1-1. Pin Assignments—EIA Interface Connector Designation Function LCD Indicator Source Frame ground—not connected Transmit (send) data (TD) Received data (RD) Modem Request to send (RTS) Clear to send (CTS) Modem Data set (modem) ready (DSR) Modem Signal ground (SG) Ground Carrier detect (CD)
  • Page 191 MODEM 32144 Table 1-1. Pin Assignments—EIA Interface Connector (continued) Designation Function LCD Indicator Source Ring indicator (RI) Modem Speed select External transmit clock Test mode indicator (TM) Modem...
  • Page 192 INSTRUCCIONES DE SEGURIDAD NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 193 INSTRUCCIONES DE SEGURIDAD 11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como se indique en el aparato. 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada.
  • Page 194 TRADEMARKS TRADEMARKS All applied-for and registered trademarks are the property of their respective owners.
  • Page 195 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 SUPPORT Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...

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