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Motorola V.3400 User Manual

Motorola V.3400 User Manual

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V.3400
User's Guide
Motorola
Doc No. 6 209 5400 02 014
5000 Bradford Drive
November 1996
Huntsville, AL 35805-1993
© 1996 Motorola

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  • Page 1 V.3400 User’s Guide Motorola Doc No. 6 209 5400 02 014 5000 Bradford Drive November 1996 Huntsville, AL 35805-1993 © 1996 Motorola...
  • Page 2 Motorola makes no endorsement of any particular product for any purpose, nor claims responsibility for its operation and accuracy. UPDATES Updates to the products and the manual can be obtained at participating Motorola dealers and distributors, or directly from Motorola.
  • Page 3 You will be notified of changes in advance to give you ample time to maintain uninter- rupted telephone service. If you experience trouble with this telephone equipment, please contact Motorola 5000 Bradford Drive Huntsville, Alabama 35805-1993 for information on obtaining service or repairs. The telephone company may ask that you disconnect this equipment from the network until the problem has been resolved.
  • Page 4 SPECIAL REQUIREMENTS FOR CANADA Certain requirements exist for data communication products manufactured for use in Canada. Principle among these requirements is the application of the IC label as described below. However, certain data communication products do not require the IC label nor adherence to IC requirements.

  • Page 5: Table Of Contents

    Table of Contents V.3400 Chapter 1 Introduction GENERAL ................FEATURES ................Data Mode................Fax Mode ................COMMUNICATIONS SOFTWARE ........DESCRIPTION ................. Functional ................Physical .................. Chapter 2 Installation GENERAL ................ELECTRICAL INSTALLATION ..........AC Power Connection ............DC Power Connection ............

  • Page 6: Data Mode

    Response Displays ..............Negotiation Displays ............Protocol Result Codes ............Call Progress / Connect Speed Messages ....... Number Code Application ............ Response Number Codes / Messages ........5-10 DIAL COMMANDS ..............5-13 Dialing ..................5-13 Tone Dialing ................5-14 V.3400...
  • Page 7 5-23 Speaker Control ..............5-23 Return Online................5-24 Long Space Disconnect............5-24 V.22 bis Guard Tones ............. 5-24 Asynchronous / Synchronous Mode Selection ...... 5-25 Make / Break Dial Pulse Ratio ..........5-26 Synchronous Transmit Clock Source ........5-26 V.3400...
  • Page 8 Answer / Originate ..............5-37 Leased Line Transmit Level ........... 5-37 CONFIGURATION COMMANDS .......... 5-38 CONFIGURATION PROFILES ..........5-38 Active Profile ................5-38 Stored Profile ................5-38 Factory Profile ................ 5-38 Storing a Configuration ............5-39 Powerup Option Set ..............5-40 viii V.3400...
  • Page 9 Break Control ................. Inactivity Timer ..............6-10 Maximum Reliable Block Size ..........6-10 Transmit Break / Set Break Length ........6-11 Set Auto-Reliable Buffer ............. 6-11 V.42bis Data Compression ............. 6-11 Chapter 7 Test Mode Operation GENERAL ................Test Categories ............... V.3400...
  • Page 10 Set Password ................Changing a Password .............. Deleting a Password ............... Security Reset ................. Disabling Security ..............Security Status ................. Enabling Security ..............HIGH SECURITY ..............Compatibility ................Capacity .................. Operating without High Security ..........Operating with High Security ..........V.3400...
  • Page 11 Local Logoff Command ............8-11 Remote Logon Procedure ............8-11 Chapter 9 Fax Operation GENERAL ................FAX OPERATION ..............MODEM INITIALIZATION ............ FAX DEFAULTS ..............Fax Autoanswer ..............FAX ASSOCIATED OPTIONS ..........Stored FAX Profile ..............CLASS 1 DETAILS ..............V.3400...
  • Page 12 Backspace Character ............... 10-6 Pause Before Dialing .............. 10-6 Pause for Ringback and Carrier Detection / Wait for 2nd Dial Tone ................10-6 Pause Interval for Comma ............. 10-6 Carrier Detect Time ..............10-6 Lost Carrier Detect Time ............10-7 V.3400...
  • Page 13 XOFF Character from DTE ........... 10-15 S46-48 ..................10-15 XON Character to DTE ............10-15 XOFF Character to DTE ............10-15 S51 ..................10-15 Bit Mapped ................10-16 Automatic Rate Adaption Threshold ........10-16 Flow Control ................. 10-17 S55 ..................10-17 V.3400 xiii...
  • Page 14 Current Modulation ..............10-28 S92 - S94 ................10-28 V.34 Settings ................10-29 V.34 Settings ................10-29 S97 - S100 ................10-29 Chapter 11 V.25 bis Autodialer GENERAL ................11-1 Autodialer Command Strings and Parameters ......11-1 GUIDELINES ................11-2 V.3400...
  • Page 15 LINE PIN FUNCTIONS ............AUX PIN FUNCTIONS ............Appendix C Strap Options STRAP OPTION SELECTION ..........Removing the Cover .............. HARDWARE STRAPS ............Tip and Ring Polarity ............. Ground Option Strap .............. QM Disable Option ..............QM Normal/Inverted ............. V.3400...
  • Page 16 MODEM AND TELEPHONE LINE CHECK ......Step 1 ..................Step 2 ..................Appendix E Command Index and Defaults GENERAL ................FACTORY OPTION SETS ............E-19 Appendix F Acronyms and Abbreviations ....................Appendix G ASCII and EBCDIC Characters GENERAL ................Service and Support Index V.3400...
  • Page 17 Loopback Enabled ............Local Modem Initiating Remote Digital Loopback with Test Pattern ..............Chapter 10 10-1 Changing S-Register Values .......... 10-2 10-2 Calculating S-Register Values ........10-3 Appendix C Cover Removal .............. Strap Locations ............... Typical Strap Configuration ........... V.3400 xvii...
  • Page 18 AT Commands ..............Low Security Commands ..........E-11 High Security Commands ..........E-12 Fax Commands ............... E-13 Commands Valid Only in Fax Mode ......E-13 Status Registers .............. E-14 V.25 bis Dialer Commands ..........E-16 Response Messages ............E-17 xviii V.3400...
  • Page 19 The V.3400 series of modems communicate at standard data rates up to 28800 bps with compatible modems connected to similarly equipped computers, computer services, and data bases. Advanced error control and data compression ensure data integrity and increase data throughput.
  • Page 20 50 users • Automatic speed matching to originating modem • Remote configuration using command mode or LCD • Built-in standard diagnostics for testing phone line quality and modems at each end • 801 auto dial support V.3400...

  • Page 21: Fax Mode

    Motorola) or another Fax communication package. DESCRIPTION Functional The V.3400 processes serial asynchronous data from a DTE at all stan- dard rates from 300 bps to 115.2 kbps, and serial synchronous data at rates from 300 to 28.8 kbps. Transmission can be over either dial-up lines or either 2- or 4-wire leased lines.

  • Page 22: Physical

    Introduction Physical The V.3400 has a 32 character LCD front panel with three pushbuttons for option selection (Figure 1-1). Figure 1-1 Typical Front Panel The V.3400 rear panel has an EIA-232 DTE connector, an 8-pin AUX jack, an 8-pin LINE jack, the power switch, fuse, and cord (Figure 1-2).

  • Page 23: Chapter 2 Installation

    If the modem is equipped for dc power input, connect 12 to 60 VDC power to the terminal block attached to the modem back panel. A chassis ground connection is also supplied on the terminal block. V.3400...

  • Page 24: Dte Connection

    Installation DTE CONNECTION The DTE connector is a 25-pin D-series type conforming to EIA-232 specifications. Pin signals are shown in Figure 2-2 and described in Table 2-1. Figure 2-2 Digital Interface Signals V.3400...

  • Page 25: Digital Interface Signal Descriptions

    Common signal and DC power ground Ground or Common Return Received A positive level from the modem indicating Line the presence of a received signal (carrier Signal detect). * Detector * Modem options may force these signals on or cause them to be ignored. V.3400...
  • Page 26 * Modem options may force these signals on or cause them to be ignored. † This function can be disabled or its logic sense reversed by hardware straps. Refer to Strap Options. V.3400...

  • Page 27: Telephone Line Connection

    (FCC) for direct connection to the PSTN (dial-up network). The label on the chassis bottom gives the FCC registration number and other information required for network operation. Direct connection to the PSTN provides two modes of operation (Figure 2-3): • Permissive (standard domestic or home use) • Programmable V.3400...

  • Page 28: Dial-Up Connection

    Installation Figure 2-3 Dial-up Connection V.3400...

  • Page 29: Permissive

    The line connects to the modem at the 8-position AUX jack. Figure 2-4 illustrates the typical hook-up of the modem for operation over private leased lines with dial backup. V.3400...

  • Page 30: Leased Line Connection

    Installation Figure 2-4 Leased Line Connection V.3400...

  • Page 31: Chapter 3 Getting Started

    A powerup procedure is not required. Turn the ON/OFF power switch on the rear panel to ON. The modem is factory configured to operate in most public switched telephone applications. If a user has stored a desired option set it will be automatically be restored at power up. V.3400...

  • Page 32: Placing A Call

    1-9 to dial. The modem dials the number — either pulse or tone, whichever is currently in effect — and takes the role of the originate modem. Refer to Dial Commands section in Chapter 5 for additional dialing commands. V.3400...

  • Page 33: Answering A Call

    2. Answer YES. Call Termination from Terminal with AT Command Set 1. Enter +++ and the modem will enter command mode. 2. Enter ATH and the modem will terminate the call. Reasons for Call Termination The following conditions cause call termination. V.3400...
  • Page 34 Signal Quality Leased line operation with dial backup enabled; extended loss of carrier or 4 unsuccessful retrains in 3 minutes cause dial backup Test Mode entered Certain test modes require call termination Modem power is turned off. V.3400...

  • Page 35: Chapter 4 Front Panel Operation

    LCD through the use of the front panel remote configuration feature. LED DESCRIPTIONS The V.3400 has six LED indicators: TR, CS, RS, CD, RD, and TD. The functions of these LEDs are as follows: TR - Terminal Ready. This LED lights when the DTE asserts Data Terminal Ready.

  • Page 36: Lcd Menus

    Front Panel Operation LCD MENUS The V.3400 has seven main LCD menus that support modem operations. Table 4-1 lists them in the following sequence: • MODEM STATUS • DIAL STORED NUMBER • DISPLAY STATUS • SELECT TEST • MODIFY CONFIGURATION •...

  • Page 37: Menu Options

    STATUS NECT REASON 4 SELECT (Offline test LOCAL ANALOG INITIATE, &T1 TEST? only) LOOP EXIT LOCAL ANALOG INITIATE, &T8 LOOP WITH TP EXIT When modem is not online, the display flashes and shows the status from the last connection. V.3400...
  • Page 38 *MM12 CHANGE MAX 28800 %B15 DCE RATE? 26400 %B14 24000 %B13 21600 %B12 19200 %B11 16800 %B10 14400 12000 7200 9600 9600U 4800 2400 1200 DTE SPEED † Modem must be online with protocols disabled * Lease line only V.3400...
  • Page 39 550 Hz &G1 1800 Hz &G2 V.32 FAST TRAIN ENABLE *FT1 DISABLE SQ RETRAIN ENABLE DISABLE SQ AUTO HIGH BER RATE MED BER LOW BER DISABLED TRANSMIT CLOCK INTERNAL &X SELECT EXTERNAL &X1 RECEIVE &X2 * Lease line only V.3400...
  • Page 40 \N6, \N7 DISABLE \N, \N1, \N4, \N5 PROTOCOL ENABLE \N3, \N5, FALLBACK \N6, \N7 DISABLE \N, \N1, \N2, \N4 DATA COMPRES- DISABLE SION NORM DTE SPEED DTE=DCE CONSTANT * Lease Line only † Dial Line only † Dial Line only V.3400...
  • Page 41 &M1, 2, OPTIONS? 3, 4, 5, 6 ASYNC &M DTE RATE (Async) 300, 600,1200, 2400, 4800, 7200, 9600, 12000, 14400, 16800, 19200, 38400, 21600, 24000, 26400, 28800, 57600, 115200 CHAR SIZE (Async) 7 BIT 8 BIT PARITY (Async) NO, EVEN, V.3400...
  • Page 42 &D RECALL &D1 &D2 DISCON- &D3 NECT RESET DSR STATE NORMAL &S1 FORCED &S HIGH OFF 5 SEC &S2 DISCON- &S3 NECT FOLLOWS DCD STATE NORMAL &C1 FORCED &C HIGH OFF 5 SEC &C2 DISCON- &C3 NECT FOLLOWS REMOTE V.3400...
  • Page 43 WAIT FOR X3 X2, DIAL TONE WAIT DELAY 1, 2, 3, 4, 8, (Blind Dial) 16, 32 SEC PAUSE DELAY 1, 2, 3, 4, 8, 16, 32 SEC CALL TIMEOUT 15, 30, 45, 60, 75, 90, 105, 120 SEC V.3400...
  • Page 44 6 CHANGE PHONE NUMBER ENTER &Zn (n= PHONE NUMBER phone # NUMBERS? 32 digits and modi- fiers) *CNn,x 7 FRONT CHANGE RMT ENTER PANEL PASSWORD? PASSWORD FEATURES? ENTER REMOTE ENTER CONFIGURATION REM CFG PASSWORD EXIT REMOTE EXIT &T CONFIGURATION 4-10 V.3400...

  • Page 45: Front Panel Security

    During password entry, the front panel buttons are interpreted as follows: Pressing the NO button causes the character at the cursor to change to the next valid password char- acter. V.3400 4-11...
  • Page 46 Pressing the TALK/DATA button while the cursor is on the first password character causes the pass- word entry to be aborted. When the cursor is on any other character, this button causes the cursor to move to the first password character. 4-12 V.3400...

  • Page 47: Chapter 5 At Commands

    Six other groups of AT commands are discussed in their respective chapters: • Protocol • Test • Security • Fax • S-registers OPERATION MODES During asynchronous operation the modem functions in one of three modes: • Offline Command Mode • Online Command Mode • Data Mode V.3400...

  • Page 48: Sending Commands To The Modem

    Each command statement is made up of characters, numbers, and such keyboard symbols as the & and % signs. Commands must be written in a specific form so the modem recognizes and follows the instruction. V.3400...

  • Page 49: Creating A Command Statement

    • Use the DTR reset feature. Autobaud The attention code (AT) is analyzed by the modem to determine the transmission speed, parity, and bits per character used by the DTE. This autobaud process is repeated each time the AT command prefix is sent. V.3400...

  • Page 50: Guidelines For Creating Command Statements

    Also, blank characters used as spaces to help increase readability are not counted. For example, the modem reads the commands ATD (212) 554-1212 ATD2125551212 ATD 212 555 1212 as having 11 characters each. Commands can be typed in any of these forms. V.3400...

  • Page 51: Backspace Key

    A group of commands can be typed in a single command statement. Pressing the Enter key sends the entire command string to the modem, which executes each command individually in the order it appears in the command statement reading from left to right. V.3400...

  • Page 52: Response Commands

    The V command tells the modem which type of response message to show on the monitor. Some software requires digit response messages but words are easier to remember. Command Operation Enables digit response messages Enables word response messages * * default V.3400...

  • Page 53: Response Displays

    Disable protocol result codes * Enable protocol result codes * default Call Progress / Connect Speed Messages X The X command selects response code/message displays and dialing options such as call progress monitoring, busy signal or dial tone detec- tion and blind dialing. V.3400...
  • Page 54 The X3 command followed by a dial command causes the modem to go off hook, wait the amount of time set in register S6 and dial the number. If a busy signal is detected, the modem sends a BUSY message and V.3400...

  • Page 55: Number Code Application

    Command Code Set Number Operation Standard * 4800 bps 9600 bps *RC1 Alternate 4800 bps 9600 bps * default Note Asterisks in AT commands are part of the command and do not indicate footnotes. V.3400...

  • Page 56: Response Number Codes / Messages

    DTE rate 14400 bps CONNECT 57600 DTE rate 57600 bps CONNECT 0300/REL MNP 300 bps connection CONNECT 1200/REL MNP 1200 bps connection CONNECT 2400/REL MNP 2400 bps connection CONNECT 4800/REL MNP 4800 bps connection CONNECT 9600/REL MNP 9600 bps connection 5-10 V.3400...
  • Page 57 CONNECT 12000/ LAPM 12000 bps connection LAPM CONNECT 7200/ LAPM 7200 bps connection LAPM CONNECT 57600/ LAPM 57600 bps connection LAPM CARRIER 300 Link rate 300 bps CARRIER 1200 Link rate 1200 bps CARRIER 2400 Link rate 2400 bps V.3400 5-11...
  • Page 58 V.42 LAPM active PROTOCOL V.42BIS V.42 bis LAPM compression active CONNECT 300 DTE rate 300 bps CONNECT 600 DTE rate 600 bps CONNECT 16800 DTE rate 16800 bps CONNECT 21600 DTE rate 21600 bps CONNECT 24000 DTE rate 24000 bps 5-12 V.3400...

  • Page 59: Dial Commands

    Use spaces, hyphens, parentheses, or other punctuation except dial modifiers to make the command line easier to read and enter. For example, these are all treated the same: AT D 1-800-555-1212 AT D 1 (800) 555-1212 ATD18005551212 V.3400 5-13...

  • Page 60: Tone Dialing

    2 second delay (or the value in register S8). AT D P 9, 1-800-554-1000 Here the modem pulse dials a 9, pauses for the telephone system to switch to an outside line, then dials the phone number. Comma pauses may be inserted consecutively if desired. 5-14 V.3400...

  • Page 61: Wait For Second Dial Tone

    The modem will dial the telephone number entered but will not attempt to train when the remote service answers the call. This is used to retain control so that further dialing tones may be entered with the following: V.3400 5-15...

  • Page 62: Wait For 5 Seconds Of Silence

    This is the autodial number, which is used for any autodial application. Voice Calls To make a voice call, dial the number with the telephone. To use the dial command for the call, enter the following dialing sequence. AT D (number); 5-16 V.3400...

  • Page 63: Switching From Voice To Data

    Entering ATS0=0 disables the autoanswer feature. Decide which ring the modem is to answer on and set S0 to that decimal value. When S0 is one or greater, the modem automatically answers on the selected ring and connects with the calling modem. V.3400 5-17...

  • Page 64: Terminal Interface Commands

    DCD follows RTS on remote modem (simulated switched carrier V.13). * default AT&C3 is used to simulate switched carrier operation. Note For simulated switched carrier operation &C3 must be selected on both modems. Not available in the B103 and V.21 modulation modes. 5-18 V.3400...

  • Page 65: Data Set Ready

    In dial line mode the modem disconnects; in leased line, the modem retrains. * default Note If DTR controls dialer is selected, then selecting DTR active will cause an autodial after an off-to-on transition of DTR. V.3400 5-19...

  • Page 66: Serial Port Ring Indicator (Pin 22)

    Note RTS/CTS delay is not valid in buffered mode or with error control enabled. Note With &R2 selected, XON/XOFF is the only valid method of flow control and &C and &C1 are the only valid carrier detect options. 5-20 V.3400...

  • Page 67: Dte Controlled Fallback Rate (Pin 23)

    Type AT without a carriage return. If the screen shows AT character echo is correct. Proceed with other commands as desired. If the screen shows AATT enter the E command to correct the double characters or disable character echo by the modem. V.3400 5-21...

  • Page 68: Online Character Echo

    Command Operation The modem hangs up. Forces modem off hook Sets H command to normal hangup procedure (long space, cleardown, protocol) * Sets H command to fast hang up * default 5-22 V.3400...

  • Page 69: Eprom Check

    The M commands enable or disable the speaker for monitoring purposes. Command Operation Disables the speaker Disables the speaker while receiving a carrier signal * Speaker always on Disables the speaker while dialing and after a carrier is detected * default V.3400 5-23...

  • Page 70: Return Online

    Guard tones are not used in the United States. If required where oper- ating the unit, select the appropriate guard tone. Command Operation &G No guard tone* &G1 550 Hz guard tone &G2 1800 Hz guard tone * default 5-24 V.3400...

  • Page 71: Asynchronous / Synchronous Mode Selection

    Sync mode 2 (DTR dials if active) &M3 Sync mode 3 (manual calls) &M4 Sync mode 4 with V.25 bis bisync &M5 Sync mode 5 with V.25 bis SDLC &M6 Sync mode 6 with V.25 bis async * default V.3400 5-25...

  • Page 72: Make / Break Dial Pulse Ratio

    The *TH commands sets the V.34 rate selection thresholds. The V.34 modulation dynamically selects the optimum bit rate to run, based on line quality. Command Operation Low threshold (10 BER) - 4 BER) *TH1 Medium threshold (10 *TH2 High threshold (10 BER) * * default 5-26 V.3400...

  • Page 73: Asymmetric Bit Rates

    Automode (typically used on dial line) *MM1 V.21 *MM2 B103 *MM3 Reserved *MM4 B212A *MM5 V.22 bis *MM6 V.27 bis 4-wire leased only *MM7 Reserved *MM8 V.29 4-wire leased only *MM9 Reserved *MM10 V.33 4-wire leased only *MM11 V.32 bis *MM12 V.34 V.3400 5-27...

  • Page 74: Maximum Dce Speed

    %B10 Reserved %B11 16800 bps %B12 19200 bps %B13 21600 bps %B14 24000 bps %B15 26400 bps %B16 28800 bps* * default Note The %B command should be used after the *MM command when specific modulations are required. 5-28 V.3400...

  • Page 75: Minimum Dce Speed

    This option allows the modem to automatically retrain in response to poor received signal quality without reconnecting. The modem always responds to a retrain request from the remote modem. Command Operation Disable auto retrain Enable auto retrain * * default V.3400 5-29...

  • Page 76: Automatic Rate Adaption

    Operation Disable automatic rate adaption * Enable automatic rate adaption using low BER: 1 in 10 Enable automatic rate adaption using medium BER: 1 in 10 Enable automatic rate adaption using high BER: 1 in 10 * default 5-30 V.3400...

  • Page 77: Manual Rate Adaption

    <return> key terminates the page displays and any other key scrolls through the pages. Command Operation Displays online quick reference $H=<string> Search online quick reference for string. Product Serial Number $V The $V command displays the product serial number. V.3400 5-31...

  • Page 78: Permissive / Programmable

    The V.32 fast train option is used to reduce training time when operating over high quality, limited distance dial or 2-wire leased lines. Command Operation Disable fast train * *FT1 Enable fast train * default Incoming Call *IC The *IC command causes the modem to disregard an incoming call. 5-32 V.3400...

  • Page 79: Line Current Disconnect

    AT command set. Dial Line Transmit Level *TDn Command Operation *TDn Sets dial line TX level to n where n is a number 9 through 30 corresponding to a TX level of -9 to -30 dBm V.3400 5-33...

  • Page 80: Private Line Operation

    Note The V3229, V3227, V3225, and V3257 modems use V.33 as the modulation type. The V.3400 must be set up to V.33 to connect to these modems. 2-Wire Operation In 2-wire operation, the modem is a full-duplex modem able to operate over 2-wire leased or PSTN lines.

  • Page 81: 2-Wire Dial-Up Operation

    The answer modem will wait for a ring. The modems then train and begin communicating over the dial-up line. If the dial connection is unsuccessful after three attempts, a retrain on the leased line will be initiated. V.3400 5-35...

  • Page 82: Dial / Leased Line

    A diagnostic test initiated during dial backup mode termi- nates when the modem performs a leased line lookback. Dial / Leased Line &L &L selects line operation as required: Command Operation &L Dial (switched) * &L1 Leased (private) 2-wire &L2 Leased (private) 4-wire * default 5-36 V.3400...

  • Page 83: Dial Backup

    *OR1 Force answer * default Leased Line Transmit Level *TLn Command Operation *TLn Sets leased line TX level to n where n is a number 0 through 30 corresponding to a TX level of 0 to -30 dBm V.3400 5-37...

  • Page 84: Configuration Commands

    The factory configurations are stored in ROM and cannot be changed by the user; they can be transferred to the active profile and then modified to fit a specific application if needed. The &F command recalls one of the nine factory configurations. 5-38 V.3400...

  • Page 85: Storing A Configuration

    &W is issued with a new configuration options with a single command. Command Operation &W Store options to user option set 1 * &W1 Store options to user option set 2 * default Figure 5-1 Configuration Storage and Recall V.3400 5-39...

  • Page 86: Powerup Option Set

    V.42 bis) &F7 Load factory option set 7 (sync 2-wire leased line normal originate) &F8 Load factory option set 8 (sync 2-wire leased line forced answer) &F9 Load factory option set 9 (sync V.25 bis dialer) * default 5-40 V.3400...

  • Page 87: Reset To Stored Configuration

    • &Z inserts a phone number in location one only. • *CN inserts phone numbers in locations one through nine. To store a telephone command line in location one enter the &Z command followed by the desired command sequence of digits and modifiers. V.3400 5-41...

  • Page 88: Retaining / Restoring Options

    When options are restored at disconnect, the following commands return OK but are not executed: *CN Store telephone number &Z Store telephone number &F Recall factory configuration &W Store current configuration Command Operation Retain options at disconnect * *RO1 Restore options at disconnect * default 5-42 V.3400...

  • Page 89: Remote Configuration

    REMOTE CONFIGURATION This mode of operation allows viewing or modifying the options of a remote modem that supports Motorola UDS remote configuration. Remote configuration is performed using the front panel LCD or more commonly AT commands from the local terminal. Remote configura-...

  • Page 90: Entering Remote Configuration

    This command followed by the correct security code establishes remote configuration &T Exits remote configuration Remote Configuration can also be specified by the dial command by placing %T (password) after the dial digits (the equal sign is left off). Example: ATD 555-1212%T01234 5-44 V.3400...

  • Page 91: Chapter 6 Protocols

    MNP connection is attempted. AUTO-RELIABLE In auto-reliable mode the modem negotiates to the highest protocol (LAPM or MNP) common to both modems. However, if a reliable connection cannot be established, auto-reliable allows the protocol to fallback to normal mode. V.3400...

  • Page 92: Constant Speed Interface

    %C2 and %C3 data compression commands. NORMAL MODE No error control with or without constant speed DTE interface. Data is buffered. DIRECT MODE The DTE speed and DCE speed are forced to be the same. No error control or buffering. V.3400...

  • Page 93: Flow Control

    Normal Disabled Not applicable Allowed Buffered On or off Direct Disabled Not applicable DTE=DCE applicable buffered (slaved) Reliable Enabled On or off Allowed Buffered On (MNP and LAPM) Auto-reliable Enabled On or off Allowed Buffered On (MNP and LAPM) V.3400...

  • Page 94: Disconnect Buffer Delay

    This is a data sequence that speeds up the LAPM link negotiation time if V.42 LAPM is supported by the remote modem. Command Operation V.42 fast detect data sequence disabled V.42 fast detect data sequence enabled * * default V.3400...

  • Page 95: Operating Mode

    Enter the %An command to set the auto-reliable fallback character (n=1-27 decimal representing an ASCII character). Command Operation Disable auto-reliable fallback character * Sets ASCII character to be recognized as the auto-reliable fallback character * default V.3400...

  • Page 96: Serial Port Flow Control

    The \Q5 command enables XON/XOFF flow control by the DCE only. The \Q6 and \Q7 commands force the modem to use RTS off to stop data from the modem and RTS on to restart it. This does not effect DTE flow control. V.3400...

  • Page 97: Xon/Xoff Pass Through

    Command Operation Process but do not pass XON/XOFF characters to remote DCE * Process and pass XON/XOFF characters to remote DCE * default V.3400...

  • Page 98: Data Link Flow Control

    Note The V.3400 will transmit the XON/XOFF characters to start/stop data transmission from the remote modem. The V.3400 will not respond to the XON/XOFF characters. This is to insure that a false XON/XOFF is not detected resulting data loss. Break Control \Kn Use \Kn (n = 0-5) to indicate the action taken by the modem when a break is encountered.
  • Page 99 Empty the data buffers and send break to the serial port \K2, \K3 Immediately send break to the serial port \K4 , \K5 Send break to the serial port in sequence with any data received from the remote modem V.3400...

  • Page 100: Inactivity Timer

    \A command. Command Operation Maximum transmit block size = 64 characters Maximum transmit block size = 128 characters Maximum transmit block size = 192 characters Maximum transmit block size = 256 characters * * default 6-10 V.3400...

  • Page 101: Transmit Break / Set Break Length

    The %C command determines application of data compression while running LAPM protocol. Command Operation Data compression disabled Enabled on transmit and receive data * Enabled on transmit data only (enhanced compression) Enabled on receive data only (enhanced compression) * default V.3400 6-11...
  • Page 102 Protocols 6-12 V.3400...

  • Page 103: General

    LDL (Local Digital Loopback) RDL (Remote Digital Loopback) RDL/TP (Remote Digital Loopback with Self Test) TP (Test pattern) Note These tests do not apply to fax mode and should only be performed when the modem is configured for data opera- tion. V.3400...

  • Page 104: Terminating A Test In Progress

    Loading S18 with 0 disables the auto timeout feature and the test will run continuously until manually terminated. For example: Run the self test analog loopback test for 30 seconds Enter ATS18=30&T8 V.3400...

  • Page 105: Testing The Local Modem

    (Table 7-1). If off hook on a dial-up line, the modem is forced on hook. Figure 7-1 Local Analog Loopback (4-Wire Operation and 2-Wire Operation) For 2-wire operation, Analog Bilateral Loopback is invalid. In 4-wire operation, Analog Bilateral Loopback connects the receive line to the transmit line through a buffer amplifier. V.3400...

  • Page 106: Local Analog Loopback With Self Test

    The modem responds with a three digit value between 0 and 255 representing the number of errors during test pattern detection. If errors occur, repeat the test to verify the consistency of the problem. V.3400...

  • Page 107: Testing The Remote Modem

    If not, enter &T to exit the test. Enter the command to return to online data mode. The local modem receiver connects to its transmitter so received data is retransmitted to the remote site. V.3400...

  • Page 108: Grant/Deny Rdl Request

    Grant/Deny RDL Request &T4, &T5 Local operators can deny a request from the remote modem for remote digital loopback. Allow your modem to be placed in RDL by a remote operator Enter AT&T4 Prevent your modem from entering RDL Enter AT&T5 V.3400...

  • Page 109: Remote Digital Loopback

    After making the data connection, enter the escape sequence to return to command mode. Entering &T7 places the remote modem in digital loopback provided the remote operator enters &T4 to allow an RL request. Once in RDL/TP, the local modem transmits a test pattern and V.3400...

  • Page 110: Test Pattern

    Test Pattern Test Pattern %T In Test Pattern, transmit data from the local DTE is blocked and replaced by a V.52 compatible test pattern. When the modem transmits the test pattern, it expects to receive the same pattern. V.3400...

  • Page 111: Bilateral Test Enable / Disable

    Enabled, the modem goes into local analog loopback when it detects an off-to-on transition of pin 18. Test ends when it detects an on-to-off transition of pin 18. To disable, enter *LA. Command Operation Ignore pin 18 * *LA1 LAL enabled (pin 18) * default V.3400...
  • Page 112 If the test timeout option is enabled and pin 18 remains high, the modem returns to idle mode at the end of the test timeout period and will not re-enter the test mode until an off-to-on transition of pin 18 has been detected. 7-10 V.3400...
  • Page 119 Chapter 9 Fax Operation GENERAL The V.3400 can send and receive fax documents at speeds up to 14400 bps when used with the appropriate software. As a fax modem, the modem conforms to EIA-578 which defines a standard interface between the DTE (a PC with fax software) and the DCE as a fax modem.
  • Page 120 The user must check the software manual for the particular requirements and refer to Chapter 4 for manual/autoan- swer and TALK/DATA selection. Select the necessary options for fax operation. V.3400...
  • Page 121 Class 1 software package, but this section briefly summarizes some of them. As a Service Class 1 facsimile DCE, the V.3400 provides the basic services required to support Group 3 facsimile operation. Support from a Class 1 facsimile DTE is required to implement the CCITT T.30...

  • Page 122: Class 1 Commands

    The NO CARRIER result code indicates that a connection could not be established (no carrier detected) within the number of seconds specified in status register S7, or the dial command has been aborted due to a character sent from the DTE. V.3400...

  • Page 123: Answer Command

    CED is completed, the call is released and the modem will send the NO CARRIER result code. On Hook H In fax mode, the H command instructs the modem to stop any transmis- sion and terminate the call by going on hook. V.3400...

  • Page 124: Off Hook

    The modem aborts the command and sends an OK result code if the DTE sends an additional character, which is discarded, during the command execution. This command returns an ERROR result code if issued while the modem is on hook. V.3400...

  • Page 125: Receive Silence

    The modem accepts one of the values listed in Table 9-1. Table 9-1. Modulation Values Value Modulation Speed V.21 channel 2 300 bps V.27 ter 2400 bps V.27 ter 4800 bps V.29 7200 bps V.17 7200 bps V.17 7200 bps * V.29 9600 bps V.17 9600 bps V.3400...

  • Page 126: Facsimile Transmit

    V.17 14400 bps* * with short train The V.3400 returns an ERROR result code if any of the above commands are issued while the modem is on hook. Facsimile Transmit +FTM= (Mod) +FTM= (Mod) causes the modem to transmit data using the modulation and speed selected with the (Mod) parameter.

  • Page 127: Hdlc Receive

    If the modem detects any carrier or tone that differs from that specified in a +FRM or +FRH command, it sends the +FCERROR result code and returns to command state, allowing the DTE to attempt a recovery. The numeric form of this response is +F4. V.3400...

  • Page 128: Fax Auto Answer

    (with HDLC framing up to 9600 bps), fax mode can also be used for BFT if supported by the Class 1 software package. The Binary File Transfer is an option in the fax software package, not a separate mode of operation. 9-10 V.3400...

  • Page 129: Chapter 10 Status Registers

    Certain S-registers cannot be altered by the ATS command series. These are called "read only" S-registers. Appendix E contains a listing of S-registers and indicates if they are read only or read and write. V.3400 10-1...
  • Page 130 The decimal value counts all eight bits as a single group. Hexadecimal values split the bits into two groups of four each. Writing to an S-register changes the total value. Figure 10-2 illustrates the difference between decimal calculation and hexadecimal calculation. Figure 10-1 Changing S-Register Values 10-2 V.3400...

  • Page 131: S-Register Operation

    S-register is discouraged. For operators who prefer this method of option selection a much simplified command that eliminates the decimal calculation is explained in the Individual Bit Command section. V.3400 10-3...

  • Page 132: Individual Bit Command

    = register number # = bit position 0 through 7 v = bit value 1 or Example: S-register 27, bit 2 selects between dial-up or leased line operation. AT command method: AT&L selects dial-up operation (sets S27 bit 2 to 0) 10-4 V.3400...

  • Page 133: Autoanswer

    13). This character ends each command as it is sent to the modem. It is also sent by the modem after each status message or number code. To change the character, set S3 to the desired ASCII value (0-127). V.3400 10-5...

  • Page 134: Backspace Character

    S9 contains the amount of time (0-255) in 0.1 second increments the carrier must be present to be recognized. The default value is 6 (0.6 second). This timer can be extended to lessen the likelihood of false detection of carrier. 10-6 V.3400...

  • Page 135: Dtmf Tone Duration

    S12. Values between 15 and 255 may be used for S12. Note When S-registers have parallel AT commands, the commands are listed in the register tables as a cross refer- ence. If no command exists for the option the column is left blank. Not used V.3400 10-7...

  • Page 136: Bit Mapped

    Response messages in originate mode only Tone dial * Pulse dial Normal hang up * Not used *OR1 Forced answer Normal originate * * default Note Registers that contain more than one option are called "bit mapped" registers. Reserved 10-8 V.3400...

  • Page 137: System Tests

    The amount of time, in 1 second increments, that a diagnostic test will run is determined by the value assigned to S18 (0-255). A value of 0 disables the timer allowing a test to run indefinitely. The default value is 0. S19, 20 Not used V.3400 10-9...

  • Page 138: Bit Mapped

    Modem ignores DTR * &D1 Modem assumes command mode when DTR turns off &D2 Modem hangs up when DTR turns off &D3 Modem resets when DTR turns off Long space disconnect disabled Long space disconnect enabled * * default 10-10 V.3400...

  • Page 139: Bit Mapped

    Description &T5 Remote digital loop request denied &T4 Remote digital loop request granted * Reserved 7, 6 &G No guard tones * &G1 550 Hz guard tone &G2 1800 Hz guard tone Not used * default Not used V.3400 10-11...

  • Page 140: Dtr State Recognition

    A zero will disable automatic lookback to leased line. The default value is 15 minutes. Value Command Description 7- 0 0-255 Time in 1 minute increments (0=disabled) 10-12 V.3400...

  • Page 141: Bit Mapped

    V.25 EBCDIC V.25 VAL enabled * V.25 VAL disabled 4, 3 Reserved NRZ V.25 * NRZI V.25 7, 6 &M V.25 disabled * &M4 V.25 bisync enabled &M5 V.25 SDLC enabled &M6 V.25 Async enabled * default Reserved V.3400 10-13...

  • Page 142: Bit Mapped

    DTE commanded RDL = enable Reserved * default DTR / Dial Backup Number to Dial S35 Select the number to automatically dial (1-9 of stored numbers) for the modem to dial in DTR dialing or autodial backup. S36-S38 Reserved 10-14 V.3400...

  • Page 143: Bit Mapped

    Select the XON character (0-127) to be sent to the DTE. The default value is 17. XOFF Character to DTE S50 Select the XOFF character (0-127) to be sent to the DTE. The default value is 19. Reserved V.3400 10-15...

  • Page 144: Bit Mapped

    Automatic Rate Adaption Threshold S53 Value Command Description 1, 0 Reserved 3, 2 Automatic rate adaption threshold disabled * Low BER Medium BER High BER Reserved Protocol Neg status disabled * Protocol Neg status enabled Reserved * default 10-16 V.3400...

  • Page 145: Flow Control

    Reserved * default Reserved V.42 Compression Control S56 Value Command Description 1, 0 Compression disabled Compression enabled on transmit data only Compression enabled on receive data only Compression enabled on transmit and receive data * Reserved * default V.3400 10-17...

  • Page 146: Bit Mapped

    Refer to Break Control section in Chapter 6 for further explana- tion. Value Command Description Break option 0 Break option 1 Break option 2 Break option 3 Break option 4 Break option 5 * Reserved * default 10-18 V.3400...

  • Page 147: Bit Mapped

    The S61 register indicates the character size and parity. This register is for reference only. Value Command Description Reserved 7 bit word length 8 bit word length 5, 4 Mark parity No parity Odd parity Even parity 7, 6 Reserved * default V.3400 10-19...

  • Page 148: Disconnect Buffer Delay

    Maximum block size = 256 * * default Auto-Reliable Fallback Character S64 The S64 register stores the selected ASCII value of the auto-reliable fallback character. Value Command Description Disable auto-reliable fallback character * 1-127 ASCII value 1-127 * default S65-66 Reserved 10-20 V.3400...

  • Page 149: Link Speed Status

    7200 bps 00111 9600 bps uncoded 01000 9600 bps trellis 12000 bps 01001 01010 14400 bps 01011 16800 bps 01100 19200 bps 01101 21600 bps 01110 24000 bps 01111 26400 bps 10000 28800 bps Reserved * default Reserved V.3400 10-21...

  • Page 150: Operating Mode

    Example: With \N7 selected the modem tries a LAPM connection first; if unsuccessful the modem tries an MNP connection; if also unsuc- cessful the modem connects in normal mode. Modes allowing protocol fallback are referred to as auto-reliable. 10-22 V.3400...
  • Page 151 Value Command Description Protocol not active Protocol negotiation in progress MNP level 2 active MNP level 3 active MNP level 4 active MNP level 5 active LAPM active LAPM with data compression active Reserved * default V.3400 10-23...

  • Page 152: Bit Mapped

    Reserved Disable autocallback * Enable autocallback * default Password Timeout S73 The length of time the remote user has to enter a password before the secure V.3400 drops the call. Value Command Description 0-255 Time in seconds (0 = disable)

  • Page 153: Lockout Threshold

    The S79 register sets the length of the break sent to the DTE when a break signal is received. Range from 1-255 in 20 ms increments. Default is 35 (700 ms). Value Command Description 0-255 Send break Set break length (n=1-255) V.3400 10-25...
  • Page 154 00111 9600 bps 01000 12000 bps 01001 14400 bps 01010 16800 bps 01011 19200 bps 01100 21600 bps 01101 24000 bps 01110 26400 bps 01111 28800 bps 10000 38400 bps 10001 57600 bps 10010 115200 bps * default 10-26 V.3400...

  • Page 155: S82-S87

    01001 12000 bps 01010 14400 bps 00010 %L10 Reserved 16800 bps 01011 %L11 01100 %L12 19200 bps 01101 %L13 21600 bps 01110 %L14 24000 bps 01111 %L15 26400 bps 10000 %L16 28800 bps Reserved * default S82-S87 Reserved V.3400 10-27...

  • Page 156: Modulation Type

    0010 B103 Reserved 0011 0100 B212A 0101 V.22 bis 0110 V.27 (lease line only) 0111 Reserved 1000 V.29 (lease line only) 1001 Reserved 1010 V.33 (lease line only) 1011 V.32 bis V.34 1100 Reserved S92 - S94 Reserved 10-28 V.3400...

  • Page 157: S97 - S100

    Precoding disabled Precoding enabled* * default V.34 Settings S96 Value Command Description Reserved Disable asymmetric bit rates Enable asymmetric bit rates * Reserved Disable TX power control Enable TX power control * * default S97 - S100 Reserved V.3400 10-29...
  • Page 158 Status Registers 10-30 V.3400...

  • Page 159: General

    V.25 bis as described in the following text. Parameters are separated by semicolons. For example: PRN a; nnn . . . n where a = the phone number address in memory and nnn . . . n = the phone number V.3400 11-1...

  • Page 160: Guidelines

    • Spaces in a command from the DTE are optional and ignored. • Command strings can be upper or lower case. Responses are always upper case. • V.25 bis commands are implemented in the following data formats: ASYNC BISYNC SDLC SDLC NRZI in ASCII or EBCDIC 11-2 V.3400...

  • Page 161: Invalid Responses Explanations

    • Any parameter set containing too many or not enough parameters; this includes - any command entered without parameters that requires parameters - any command entered with parameters that does not require parameters. • Any parameter containing too many characters. V.3400 11-3...

  • Page 162: Dial Parameters

    PARM separator Space, dash, paren- Parameters inserted for readability thesis, period V.25 BIS COMMAND AND RESPONSE DEFINITIONS The following sections describe the commands used with the V.25 bis autodialer and explain the responses received when each command is executed. 11-4 V.3400...

  • Page 163: Dial Command

    Call failure - reorder or busy. CFIRT Call failure - timeout occurred. CFINT Call failure - no answer back tone. CFIDT Call failure - no dial tone. CFIAB Call failure - ABT detected but no carrier. Incoming ring detected. V.3400 11-5...

  • Page 164: Program Number Command

    (CFI, etc.). If the call fails to connect and the number is linked with other numbers, the autodialer tries to call the next number in the list of linked numbers. 11-6 V.3400...

  • Page 165: Disregard Incoming Call

    If no call is incoming, the command is ignored. Responses: Valid command received. Transmitted on receiving an error- free command with no transmission error such as a parity error. This confirmation is sent before the command is executed. INVCU Invalid command - command unknown. Example: TIC V.3400 11-7...

  • Page 166: Connect Incoming Call

    ≤ where r is the recall count (1 n; 1,2...,etc.), followed by a sepa- rator field and call progress messages (CFI XX, etc.). If the call fails to connect, this is repeated for the specified number of times. 11-8 V.3400...

  • Page 167: Link Number By Address

    INVCU Invalid command - command unknown. Example: TRL 1;5 INVMS Invalid command - message syntax error. Examples: PRL;1;5 PRL; INVPS Invalid command - parameter syntax error. Examples: PRL 1;5; PRL 1;0;0 V.3400 11-9...
  • Page 168 The last LSL string ends with per V.25 bis. For synchronous bit oriented operation, each LSL string is treated as an individual message per V.25 bis. All linked numbers are sent to the DTE as LSLa;l{sep}a;l where a = stored address and l = link address. 11-10 V.3400...
  • Page 169 PRO command (leading zeros and semicolons are not considered ignored characters). Responses: Valid command received. Transmitted on receiving an error-free command with no transmission error such as a parity error. This confirmation is sent before the command is executed. V.3400 11-11...
  • Page 170 12. The modem would detect that this is an undefined option, stop execution of the command, and return an INVPV012 message. Options 10 and 11 would still be changed as commanded, options 13 and 14 would be unchanged. 11-12 V.3400...

  • Page 171: Restore Factory Settings

    PRP n restores current option settings to factory option set n where n is a 1 digit decimal number. Note Restoring a factory option set other than factory option 9 disables the V.25 synchronous dialer. If no parameter follows the command, the modem automatically selects factory option set 1. V.3400 11-13...
  • Page 172 Responses: INVCU Invalid command - command unknown. Example: TLO 0;1 INVMS Invalid command - message syntax error. Examples: RLO;0;1 RLO Q;1 INVPS Invalid command - parameter syntax error. Examples: RLO 0;1; RLO 0;1;4 RLO 0;001 11-14 V.3400...
  • Page 173 If only an address follows the command, the single requested option is sent to the DTE as LSOxxx;ooo If address and count follow the command, the requested count of options starting with the specified address are sent to the DTE as LSOxxx;ooo{sep}xxx;ooo... V.3400 11-15...

  • Page 174: Options

    1 - Programmable Default value = 0 021-022: Not applicable 023-049: Reserved for future use 050: Mode 0 - 2-wire dial-up operation (PSTN) 1 - 4-wire leased line operation 2 - 2-wire leased line operation Default value = 0 11-16 V.3400...
  • Page 175 Leased line transmit level - Transmit level (0 through -30 dBm) (- {decimal} dBm) Default value = 0 057-062: Not applicable 063: Autoanswer 0 - Disable 1 - Enable (answer after 1 to 255 rings) Default value = 1 V.3400 11-17...
  • Page 176 Default value = 0 086: Not applicable 087: DTR dropout timer 0 to 255 in 10 ms increments DTR must turn off for this length of time to be recognized. Default value = 5 (50 ms) 088: Not applicable 11-18 V.3400...
  • Page 177 Default value = 14 (1.4 sec) 095: DTR dial address Stored telephone number address to dial on DTR off-to-on transition Default value = 1 096: DTR dial 0 - Disable 1 - Enable 2 - N/A Default value = 0 097: Not applicable V.3400 11-19...
  • Page 178 005: V.22 006: V.22 bis 007: V.27 ter 008: Reserved 009: V.29 010: Reserved 011: V.33 012: V.32 bis 013: V.34 (V.Fast) V.34 Select Threshold 000: Low 001: Medium 002: High V.34 Asymmetric bit rates 000: Disabled 001: Enabled 11-20 V.3400...
  • Page 179 Default value = 0 906: Remote commanded test 0 - Disable 1 - Enable Default value = 1 907: Test timer 0 - Until DTR drops TTT - 1 to 255 sec Default value = 0 908: Not applicable V.3400 11-21...
  • Page 180 V.25 bis Autodialer 909-999: Reserved for future use 11-22 V.3400...

  • Page 181: Chapter 12 Maintenance

    The test procedures will identify the faulty compo- nent in a bad communications link. If the unit appears faulty, contact the Motorola Field Service Depart- ment at 1-800-221-4380 for service and assistance. Do not return the unit without prior instructions.
  • Page 182 Maintenance 12-2 V.3400...

  • Page 183: Appendix A Specifications

    230 Vac ±10%; 50−60 Ηz, or 12 to 60 Vdc Power consumption: 14 watts Telephone Line Balanced 600 ohm type 3002 or equivalent 16 dB nominal loss, frequency translation up to ±10 Hz Digital Interface Conforms to EIA-232D and CCITT V.24 V.3400...
  • Page 184 14400 bps V.17 14400 bps with short train Internal Transmit Clock Frequency Selected bit rate ± 0.01% External Transmit Clock Frequency Selected bit rate ± 0.01% Transmit Output Level 0 to -30 dBm, selectable; PSTN operation is programmable or permissive. V.3400...
  • Page 185 From 0 ± 2 ms to 90 ± 2 ms, user selectable in 10 ms increments (The default is 0 ms.) Link Layer Protocols V.42/V.42 bis error correction and compression protocol MNP levels 2-5 error correction and compression protocol V.3400...
  • Page 186 Specifications V.3400...

  • Page 187: Appendix B Phone Jack Descriptions

    The pin functions for this jack are: Function 1, 2 Transmit pair - 4-wire leased line or Tx and Rx for 2-wire leased line 4, 5 Ring and tip (respectively) of telephone line for a telephone 7, 8 Receive pair - 4-wire leased line V.3400...
  • Page 188 Phone Jack Descriptions V.3400...

  • Page 189: Appendix C Strap Options

    Figure C-1. Assist removal by pushing the cover from the chassis with your fingers on the unit rear edges. Repeat this procedure with the remaining three latch slots. Figure C-1 Cover Removal V.3400...

  • Page 190: Strap Locations

    Figure C-2 shows strap locations and Figure C-3 shows typical strap configurations. To replace the cover align the lock clips, rear guide grooves, and front lock tabs. Press the cover in place until the lock clips engage the lock prongs. Figure C-2 Strap Locations V.3400...

  • Page 191: Hardware Straps

    Some telephones are tip and ring polarity sensitive. If a dial tone is detected after dialing, reverse these two straps. Ground Option Strap Signal ground is normally connected to chassis ground. If interference exists, isolate signal ground from chassis ground. * factory setting V.3400...

  • Page 192: Qm Disable Option

    When enabled, the Quality Monitor (QM) output is connected to the EIA-232 (pin 11) interface. Disabling it disconnects the QM output. Refer to Chapter 4 and Table 2-1 for more QM information. QM Normal/Inverted This strap selects normal or inverted QM output. * factory setting V.3400...

  • Page 193: Appendix D Fault Isolation Procedure

    1. Configure the modem to V.34 28800 IDLE mode by pressing the TALK/ DATA button, and then lift the receiver. No dial tone is heard. Press the TALK/DATA button to display V.34 IDLE and wait for dial tone. 2. Dial out; the phone should operate normally. V.3400...

  • Page 194: Modem And Telephone Line Check

    TD and RD indicators should come on. All other indi- cators should remain the same. h. If the indicators are correct, the modem is probably oper- ating correctly. i. If the preceding tests were not successful, call Technical Services. V.3400...

  • Page 195: Step 2

    At the local modem, the indicators should be: e. To further test the modem and communications link, reverse the system loopback. First exit the existing loop- back test. Reverse the roles of the local and remote modems and repeat step two. V.3400...
  • Page 196 Fault Isolation Procedure Note If the bilateral digital loop is enabled at the local modem, the DTE interface is looped to itself and permits the DTE to check the interface circuitry as well as itself. V.3400...

  • Page 197: Appendix E Command Index And Defaults

    Local character echo off Local character echo on * 5-22 Not supported - returns ERROR Disables online character echo * factory default Note The * in the command is part of the command; the * in the description indicates the default. V.3400...

  • Page 198: At Commands

    (hexadecimal) Sn.#=v 10-4 Set single bit value in register n, # = bit posi- tion 0-7, v = bit value 1 or 0 Response codes Response messages * * factory default † cannot be executed from remote configuration mode V.3400...
  • Page 199 Restore factory configuration 2 † &F3 Restore factory configuration 3 † &F4 Restore factory configuration 4 † &F5 Restore factory configuration 5 † &F6 Restore factory configuration 6 † * factory default † cannot be executed from remote configuration mode V.3400...
  • Page 200 DSR on when ready to accept data &S2 DSR off for 5 seconds after disconnect &S3 DSR follows off hook (OH) &T 5-44, Terminate current test † &T1 Initiate analog loopback † * factory default † cannot be executed from remote configuration mode V.3400...
  • Page 201 ASCII 1-127) † 5-28 Use DTE speed 300 bps max 1200 bps max 2400 bps max 4800 bps max 9600 bps uncoded max 9600 bps max 7200 bps max * factory default † cannot be executed from remote configuration mode V.3400...
  • Page 202 4800 bps min 9600 bps uncoded min 9600 bps min 7200 bps min 12000 bps min 14400 bps min %L10 Reserved %L11 16800 bps min %L12 19200 bps min * factory default cannot be executed from remote configuration mode V.3400...
  • Page 203 Maximum block size of 256 characters * 6-11 Transmit a break signal * Sets break length in 20 ms increments, n=1- 255, default is 35 (700 ms) Disable auto-reliable buffer * * factory default † cannot be executed from remote configuration mode V.3400...
  • Page 204 Enable CTS flow control to the DTE Enables bilateral CTS/RTS flow control Disable DCE flow control Enable DCE XON/XOFF flow control * Enable CTS flow control to the DTE * factory default cannot be executed from remote configuration mode V.3400...
  • Page 205 Enable fast train 5-32 Disregard incoming call Ignore pin 18 * *LA1 DTE commanded LAL enabled 5-37 Return to leased line from dial backup † 5-33 Line current disconnect disabled * factory default † cannot be executed from remote configuration mode V.3400...
  • Page 206 Rate negotiate to 2400 † *RR1 Rate negotiate to 4800 † *RR2 Rate negotiate to 7200 † *RR3 Rate negotiate to 9600 † * factory default † cannot be executed from remote configuration mode cannot be executed from remote configuration mode E-10 V.3400...

  • Page 207: Low Security Commands

    $C=x,- Deletes password x from memory Reset security $D=x Disables security where x is either password Displays the current status of security $E=x Enables security where x is either password Displays the current security status V.3400 E-11...

  • Page 208: High Security Commands

    $n=pw Local logon (n = user number and pw = pass- word) $S=pw Request to enter superuser status (pw = pass- word) * Only local superuser can execute command † Only allowed in idle mode and local DTE E-12 V.3400...

  • Page 209: Fax Commands

    7200 bps with short train V.29 9600 bps V.17 9600 bps V.17 9600 bps with short train V.17 12000 bps V.17 12000 bps with short train V.17 14400 bps V.17 14400 bps with short train * cannot be executed from remote configuration V.3400 E-13...

  • Page 210: Status Registers

    Escape sequence pause 50 (1 sec) 10-8 Bit mapped 10-9 System tests Test timer 10-10 Bit mapped 10-11 Bit mapped Bit mapped 10-12 DTR recognition time 5 (0.5 sec) RTS/CTS delay Bit mapped RO=Read only RW=Read or write E-14 V.3400...
  • Page 211 Maximum protocol block size 10-21 Auto-reliable character Link speed status 10-22 Maximum DCE speed Protocol operating mode 10-23 Protocol operating mode status 10-24 Bit mapped Password timeout security Callback delay 10-25 Callback retry RO=Read only RW=Read or write V.3400 E-15...

  • Page 212: V.25 Bis Dialer Commands

    Wait for dial tone Wait for second type of dial tone > Pause for 1 second Pause for 3 seconds < Pause for programmed delay time Pulse dial Tone dial & Flash (go on hook) for 1/2 second Parameter separator E-16 V.3400...
  • Page 213 Call failure - link list complete CFINS Call failure - number not stored CFINT Call failure - no answer back tone, no ringback CFIRT Call failure - timeout occurred CNX @ 28800 bps Intermediate call progress - connection made at 28800 V.3400 E-17...
  • Page 214 Intermediate call progress - connection made at 1200 Incoming ring detected INVCU Invalid command - command unknown INVMS Invalid command - message syntax error INVPS Invalid command - parameter syntax error INVPV Invalid command - parameter value error Valid command received E-18 V.3400...

  • Page 215: Factory Option Sets

    AT command set enabled Inactivity timer off Ignores DTR Break control 5 DSR forced high V.42 fast detect enabled DCD forced high CTS forced high • SPEAKER OPTIONS DTE fallback disabled Volume medium Options retained at disconnect On until carrier detect V.3400 E-19...
  • Page 216 V.42 fast detect disabled * DSR forced high DCD forced high • SPEAKER OPTIONS CTS follows RTS * Volume medium DTE fallback disabled On until carrier detect Options retained at disconnect * Indicates variation from factory option set #1 E-20 V.3400...
  • Page 217 V.42 fast detect disabled * DCD normal * CTS follows RTS * • SPEAKER OPTIONS RTS/CTS delay 0 ms * Volume medium DTE fallback disabled On until carrier detect Options retained at disconnect * Indicates variation from factory option set #1 V.3400 E-21...
  • Page 218 RTS/CTS delay 0 ms * Inactivity timer off DTE fallback disabled Break control 0 * Options retained at disconnect V.42 fast detect disabled * • SPEAKER OPTIONS Volume medium On until carrier detect * Indicates variation from factory option set #1 E-22 V.3400...
  • Page 219 XON/XOFF pass through disabled CTS forced high Inactivity timer off DTE fallback disabled Break control 5 Options retained at disconnect V.42 fast detect enabled • SPEAKER OPTIONS Volume medium On until carrier detect * Indicates variation from factory option set #1 V.3400 E-23...
  • Page 220 CTS forced high Inactivity timer off DTE fallback disabled Break control 0 * Options retained at disconnect V.42 fast detect enabled • SPEAKER OPTIONS Volume medium On until carrier detect * Indicates variation from factory option set #1 E-24 V.3400...
  • Page 221 RTS/CTS delay 0 ms * Break control 0 * DTE fallback disabled V.42 fast detect disabled * Options retained at disconnect • SPEAKER OPTIONS Volume medium On until carrier detect * Indicates variation from factory option set #1 V.3400 E-25...
  • Page 222 RTS/CST delay 0 ms * Break control 0 * DTE fallback disabled V.42 fast detect disabled * Options retained at disconnect • SPEAKER OPTIONS Volume medium On until carrier detect * Indicates variation from factory option set #1 E-26 V.3400...
  • Page 223 CTS follows RTS * • SPEAKER OPTIONS RTS/CTS delay 0 ms * Volume medium RTS/CTS delay 0 ms * On until carrier detect DTE fallback disabled Options retained at disconnect * Indicates variation from factory option set #1 V.3400 E-27...
  • Page 224 Command Index and Defaults E-28 V.3400...
  • Page 225 Index Numerics $$ 8-11 $C=x, - 8-3 2-wire $C=x, y 8-3 operation of 5-34 $Cn=m 8-8 4-wire $D 8-7 operation of 5-34 $D=x 8-3 $D? 8-4 $DR 8-3 $E=x 8-4 Active profile 5-38 $E? 8-4 8-10 Analog loopback 10-9 $EH=pw 8-6 Analog loopback, self test 10-9 $F=pw$pw 8-10 Answer / originate 10-8...
  • Page 226 Index &L 5-36 10-12 10-14 I 5-23 &M 5-25 10-12 10-13 J 6-4 10-24 &P 5-26 10-11 K 10-18 &R 5-20 10-10 10-24 Kn 6-8 &S 5-19 10-10 L 5-23 10-11 &T 5-44 10-11 M 5-23 10-11 10-23 &V 5-41 N 6-5 10-23 &W 5-39...
  • Page 227 Index Command statement buffer 5-4 Backspace character 10-6 Commands Valid only in Fax Backspace key 5-5 Mode E-13 Communications software 1-3 s-register settings 10-16 Compression Bilateral analog/digital s-register settings 10-17 s-register settings 10-14 Configuration Bit error rate 10-16 remote 5-43 Block size resetting stored 5-41 maximum reliable 6-10...
  • Page 228 Index DCD control long space 5-24 Data carrier detect (DCD) Disconnect buffer delay control 10-10 s-register settings 10-20 maximum speed of 5-28 s-register settings 10-10 minimum speed of 5-29 DSR control DCE independent speed Data set ready (DSR) control s-register settings 10-22 10-10 DCE minimum speed s-register settings 10-27...
  • Page 229 Index Changing from data mode to data link 6-8 command mode 5-21 serial port 6-6 s-register settings 10-17 Front panel operation of 4-1 full duplex 5-34 Factory option set FUSE 12-1 loading a 5-40 Factory option sets E-19 set #1 E-19 set #2 E-20 set #3 E-21 General commands 5-21...
  • Page 230 Index s-register settings 10-14 MNP compression transmit level 5-37 s-register settings 10-19 Leased line transmit level 10-16 MNP or normal mode 6-9 Leased lines 2-7 MODEM AND TELEPHONE LEDs LINE CHECK D-2 descriptions of 4-1 MODEM OPTIONS Line current COMMAND 11-11 disconnect 5-33 Modulation Line current disconnect...
  • Page 231 Index Options retained / restored 10-13 Protocol response messages s-register settings 10-19 Protocols 6-1 PSTN connection 2-5 Parity Pulse dialing 5-14 s-register settings 10-19 Password changing a 8-3 deleting a 8-3 set command 8-3 Quality monitor Password timeout strap disabling C-4 s-register settings 10-24 Passwords 8-2 default 8-6...
  • Page 232 Index s-register settings 10-19 Security commands Ring count 10-5 high level quick reference E-12 Ring indicator low level quick reference E-11 command description 5-20 Serial Port RTS/CTS delay 10-12 flow control 6-6 Serial port DTE adjust 6-4 ring indicator 5-20 Signal options Save Current Settings 11-13 displaying received 5-41...
  • Page 233 Index S26 10-12 S9 10-6 S27 10-12 S91 10-28 S28 10-12 Status registers 10-1 S29 10-13 Standard Phone D-1 S3 10-5 Status Registers E-14 S30 10-13 Stored profile 5-38 S32 10-14 Strap S34 10-14 option selection C-1 S35 10-14 Straps S4 10-6 ground option C-3 S44 10-15...
  • Page 234 Index leased line 5-37 V.42 bis 6-1 transmit output level A-2 V.42 compression control s-register settings 10-17 version level command request 5-23 Voice calls 5-16 V.25 ASCII / EBCDIC s-register settings 10-13 V.25 bis response messages E-17 V.25 bis auto dialer commands Word length --7/8 bit quick reference E-16 s-register settings 10-19...
  • Page 235 Manual Feedback: mottpdp2@email.mot.com We at Motorola ISG know that users get the most out of our products if they have complete and easy-to-understand documentation to guide them, and we’re always looking for ways to improve. If you have any thoughts regarding the documentation that came with your Motorola product, please e-mail us at the above address.
  • Page 236 Service and Support...

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