ELSA MicroLink 33.6TQV User Manual
  1. Manuals
  2. Brands
  3. ELSA Manuals
  4. Modem
  5. MicroLink 33.6TQV
  6. User manual

ELSA MicroLink 33.6TQV User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

MicroLink 33.6TQV
MicroLink 28.8TQV
MicroLink 14.4TQ
User's Manual
Data Communications
Computer Graphics

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MicroLink 33.6TQV and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for ELSA MicroLink 33.6TQV

Summary of Contents for ELSA MicroLink 33.6TQV

  • Page 1 MicroLink 33.6TQV MicroLink 28.8TQV MicroLink 14.4TQ User's Manual Data Communications Computer Graphics...
  • Page 2 ELSA GmbH is a DIN EN ISO 9001 certified company. With the certificate of May 16, 1995, the authorized certification institute TÜV CERT has confirmed the conformity of ELSA GmbH with the worldwide quality standard DIN EN ISO 9001.

  • Page 3: Table Of Contents

    International Connector Types ....................92 RJ11 socket pin assignment ....................92 The RS-232C Interface ......................... 93 Answers to Frequently Asked Questions ..................94 General Modem Operation...................... 94 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 4 Contents WinFax............................. 96 OS/2............................96 Telix ............................97 RIP............................97 Product Support..........................99 Glossary............................103 Warranty Conditions ........................108 Index............................110 British Telecom Application Form..................114 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 5: Introduction

    Printed manuals NOTE If any parts are missing, please contact your dealer. à à ELSA reserves the right to make changes to the package contents without prior notice. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 6 Introduction Notes: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 7: Brief Description

    16,800 bps duplex 19,200 bps duplex 21,600 bps duplex 24,000 bps duplex 26,400 bps duplex 28,800 bps duplex MicroLink 33.6TQV, V.34 31,200 bps duplex 33,600 bps duplex MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 8 This feature can be used directly or in combination with the automatic callback function. Up to 19 different user passwords can be stored using the AT$P command. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 9: Ce Approval

    Low radio emission according to EN 55022, Electromagnetic compatibility of information technology and telecommunications equipment Electrical safety according to EN 60950, Safety of information technology equipment including electrical business equipment MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 10 Brief Description Notes MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 11: National Regulations

    3.1 BABT Approval (United Kingdom) This section applies only to the BABT approved British versions of the ELSA MicroLink ® modem. This apparatus has been approved by the BABT for the use of the following facilities:...
  • Page 12 à a SELV circuit (Safety Extra-Low Voltage), complying with EN 41003 Clause 4.1.3. Any part of this connector can be touched without the risk of electric shock. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 13: Hdtp Approval (The Netherlands)

    Raak de pennen van de modem connector niet aan, want de kleinste hoeveelheid vuil of electrostatische ontlading, kan leiden tot slecht functioneren of zelfs defect raken van uw modem. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 14: Consumer Information And Fcc Requirements (Usa)

    You cannot connect your modem to a party line or to a coin telephone line. You must only connect your modem to a standard modular telephone jack, type RJ11. If your modem needs repairs, you must arrange for ELSA to make them if you are to keep the FCC registration of your modem valid.
  • Page 15 (5.0). If too many devices are attached, they may not ring properly. ATTENTION à à Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 16 National Regulations Notes: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 17: Setting Up The Modem

    Setting up the Modem Setting up the Modem 4.1 For Your Safety ® In the interests of your safety and the correct operation of your new ELSA MicroLink modem with your computer system, please observe the guidelines listed below. IMPORTANT à...
  • Page 18 Rear panel V.24/RS232C Line Phone Description On/Off switch Power input V.24/RS-232C interface Line connector Telephone connector (not available in some countries) MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 19: Hardware Installation

    Switch the modem on using the switch on the rear panel of the modem. 4. Switching the After being switched on, the modem performs a short self-test. modem on MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 20: Installing The Microlink 33.6Tqv/28.8Tqv Under Windows 95

    Continue. Click on Other Locations..The "Select other location" window will be displayed. Install software Click on Browse, select the CD-ROM drive (e.g. d) and then click on OK. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 21: Establishing A Connection

    The command to dial the extension number 123 is: extension to extension AT X3 DP123 for pulse dialing or AT X3 DT123 for tone dialing. (see also the ATX command, page 47) MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 22 Details concerning special dialing characters which can be included in the characters dialing string (e.g. for the dial tone), are found in the description of the ATD dial command, page 30). MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 23: Operation

    The modem is "online". This is the case with both a successful connection (outgoing call) and with the acceptance of an incoming call. In this state data exchange (data transmission) can take place between two connected data stations. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 24: The Escape Command

    The CONNECT message can be suppressed with the AT*Q1 command (see page 40). Escape Prompt Delay The delay of one second can be altered in the register S12 (see page 52). MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 25: The At Command Prefix

    1 start bit, 7 data bits, uneven parity, 1 or 2 stop bits *) 1 start bit, 8 data bits, no parity, 1 or 2 stop bits *) *) The modem automatically uses '1 stop bit'. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 26: The Command Line Buffer

    ATA (call acceptance), ATZ (initialization command), ATO (return to online state), ATH (disconnect) if this command was entered online, AT\P and AT&Z (store telephone numbers), AT&T (testing loopbacks). MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 27: Description Of At Commands

    ATD <CR> by the other party. The parties must also agree on which command is to be given on which side. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 28 : 28,800 bps ( default setting for MicroLink 28.8TQV) AT%B31200 : 31,200 bps (MicroLink 33.6TQV only * AT%B33600 : 33,600 bps ( default setting for MicroLink 33.6TQV) MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 29 Communications programs normally evaluate the DCD (Data Carrier Detect) interface line in order to determine whether a connection (i.e. a carrier signal) is present. The modem supports this function with the setting AT&C1. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 30 (see the AT\P and AT&Z commands, pages 40 and 48). These special characters must be entered directly after AT(...)D. The ; character for appending additional dial commands must be located at the end of a dial string. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 31 When set to AT&D0, the modem ignores the state of the DTR line. With AT&D1 the modem changes to the command state upon a transition of DTR from ON to OFF. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 32 DSR follows answer tone CTS always ON DCD always ON DSR follows answer tone CTS always ON DCD always ON DSR follows answer tone CTS always ON DCD always ON MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 33 This command loads the factory default settings of the modem firmware. The modem is reset to the delivery state. If a connection exists, this command is not executed. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 34 In the United Kingdom, the guard tone cannot be switched off, and default is à à 1800 Hz. In the USA, the calling tone is off by default to avoid confusion with a 300-bps carrier (Bell 103). Hang up command MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 35 ATI3 displays the firmware version number and the firmware date. This command corresponds to the AT%V command (see page 45). ATI4 displays the current modem configuration. ATI5 displays the internal factory serial number of the modem. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 36 The modem is able to buffer up to four breaks (received and to be sent). During an error-corrected connection or a connection in normal mode, the breaks sent by the computer are handled in the following manner: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 37 This command controls the bit rate adaptation (automatic speed matching) during the establishment of a connection. With AT%L1 (default setting) and with AT%L3, the MicroLink 33.6TQV, MicroLink 28.8TQV and MicroLink 14.4TQ operate in accordance with the ITU-T standard V.100. Modems complying with this standard automatically adapt themselves to the transmission bit rate of the other party.
  • Page 38 This command controls the bit rate adaptation during the establishment of a connection. With AT%M0 (default setting) MicroLink 33.6TQV and MicroLink 28.8TQV operate in accordance with the ITU-T standard V.8. Modems complying with this standard automatically adapt themselves to the transmission bit rate of the other party.
  • Page 39 V.42 V.42 NOTE The direct mode is not possible with V.34 and V.Fast Class. With V.34 and à à V.Fast Class, the modem operates in normal mode. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 40 (see section 5.8, page 77) always (ATQ1) or only in answer mode (ATQ2). Message after invalid Escape sequence * AT*Q0 : Enable CONNECT message after invalid Escape sequence MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 41 This command displays the current contents of the S registers (0..99) in two columns, decimally and hexadecimally. Read/write S register values ATSn=x : Set register n to value x ATSn? : Read the value of register n MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 42 AT\S4 : Display from part 4 AT\S5 : Display from part 5 The AT\S command displays the current configuration profile of the modem in verbose form, as follows: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 43 Press any key to continue... ON-SCREEN-MESSAGES AND SPEAKER MODEM MESSAGES COMMAND ECHO FORM OF MESSAGES LONG MESSAGES DEP ON \V CONNECT MESSAGES TIES CONNECT SPEAKER CONTROL SPEAKER VOLUME MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 44 (see also register S30, page 56). The value of AT\T is a multiple of 10 seconds. Valid values for n are 0..255. The default value 0 disables the inactivity timer. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 45 All of the settings listed have the disadvantage of not including complete information concerning the type of connection. The AT\V8 command (default setting) allows a complete evaluation: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 46 In addition to the parameters and registers stored with AT&W, this command also saves the values of the following registers in the non-volatile memory of the modem: S2..S12, S29, S33..S34, S40, S42..S43, S60, S63..S64, S94, S96, S99, S101..S103; S130, S229 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 47 AT&Y1 : Load configuration profile 1 at startup This command determines which of the two stored configuration profiles (0 or 1) is loaded and used when the modem is turned on. Load configuration profile MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 48 30. ATTENTION The numbers stored with AT&Z can be overwritten with the AT\P command à à (see page 40). MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 49: Registers

    Operation 5.6 Registers MicroLink 33.6TQV, MicroLink 28.8TQV and MicroLink 14.4TQ have internal registers you can use to modify the configuration of the modem (see ATSn command, page 42). On the following pages, the functions of each register are described. Please note that changing the value of a bit-mapped register...
  • Page 50 Valid values 0..127 (decimal) Default value 10 (Line Feed) Storage in non-volatile memory AT*W The character for <LF> (Line Feed) can be redefined in register S4. Backspace character MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 51 Storage in non-volatile memory AT*W Register S10 determines the period of time after which the modem terminates the connection if no carrier signal is detected. Tone duration for tone dialing MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 52 0 = modem in answer mode 1 = modem in originate mode Bit-mapped options This register can be read only. It contains information about the status of an active loopback: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 53 1 = speaker on when dialing and waiting for answer tone ATM1 2 = speaker always on ATM2 3 = speaker on when waiting for answer tone ATM3 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 54 Register S25 can be used to set the minimum duration of a DTR change to have any effect. This affects those features that are set with the AT&Dn and AT$Dn commands. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 55 The contents of register S29 can be stored in the non-volatile memory using the AT*W command. The individual bits have the following meaning: Dec. Meaning 0 = Automatic fallback to V.23 allowed 1 = Automatic fallback to V.23 not allowed MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 56 ( MicroLink 33.6TQV, MicroLink 28.8TQV only) 0 = manual dialing off AT:D0 1 = manual dialing on AT:D1 0 = DTR dialing off AT$D0 1 = DTR dialing on AT$D1 6..7 reserved MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 57 Settings for register S36 can be stored to non-volatile memory with the commands AT&W or AT*W. The individual bits have the following meanings: Dec. Meaning MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 58 1 = DCE rate set by AT%B AT%G1 0 =DTE rate determined by CONNECT bit rate AT\J0 1 = same effect as AT\J0 AT\J1 MicroLink 33.6TQV and MicroLink 28.8TQV only MicroLink 33.6TQV only MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 59 Default value 3 (V.42bis or MNP5) Storage in non-volatile memory AT&W or AT*W Register S46 determines whether a data compression method is used, and which one is used. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 60 The contents of register S51 can be stored in the non-volatile memory using the AT&W or AT*W command. The individual bits have the following meaning: Dec. Meaning MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 61 Register S54 controls the modem's option to emit an acoustic signal as notification of an incoming call. By default, this ringing is disabled (bit 0 = 0), and can be enabled by setting bit 0 = 1 with S54. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 62 The individual bits have the following meanings: Dec. Meaning 0..2 0 = 2400 bps 1 = reserved 2 = 2800 bps 3 = 3000 bps 4 = 3200 bps 5 = 3429 bps MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 63 V.32/V.32bis handshake signal missing: (R1, R2 or R3) V.32/V.32bis handshake signal missing: (S) V.32/V.32bis handshake signal missing: (transition from S to \S) V.32/V.32bis handshake signal missing: (E) No answer to automatic retrain MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 64 1 = connection with MNP5 0 = no connection with V.42 1 = connection with V.42 0 = no connection with V.42bis 1 = connection with V.42bis MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 65 The contents of register S93 can be stored in the non-volatile memory using the AT&W or AT*W command. The possible values have the following meaning: Dec. Meaning MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 66 2 = modem result codes disabled in answer mode ATQ2 Bit-mapped options The contents of register S96 can be stored in the non-volatile memory using the AT*W command. The individual bits have the following meaning: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 67 1 = Special settings for fax operation with ELSA Transfax reserved 0 = fillbits are removed from T.4 data 1 = fillbits are not removed from T.4 data reserved MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 68 1 = CTS and XON/XOFF handshake after AT\Q command (Class 1/Class 2 only) 0 = fax operation according to V.33, V.17, V.29 and V.27ter possible 1 = fax operation according to V.33, V.29 and V27ter possible MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 69: Password Protection, Automatic Callback And Remote Configuration

    (see page 70). An authorized modem user must identify himself by entering the supervisor password to access the modem functions. The factory default supervisor password is ELSA. It can be changed with the AT$Y command (see page 69). The password must have at least four, but no more than eight characters. Valid characters are digits, upper case letters and special characters.

  • Page 70: Modem Access Flags

    The AT$S? command can be used to check the current setting of the access flags. After entering the command, a list of the currently set flags is displayed on the screen. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 71: Automatic Callback And Remote Configuration

    This parameter can be used to set different security levels (see the following table). The value of <mode> is calculated by adding the decimal values of the respective bits. The individual bits have the following meaning: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 72 ERROR. Automatic callback The automatic callback feature with password protection enables your modem to call back another modem automatically after it has been called. Enable automatic callback MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 73 The AT$T1 command enables the trace mode, and all messages will be preceded by '+R'. Trace messages cannot be displayed in abbreviated form. The current setting of the AT$B and AT$T commands can be displayed with the ATI4 command. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 74 This message appears after three invalid identification attempts. Remote configurationThe remote configuration allows you to configure your modem from any location you are calling from, and can be used in combination with the MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 75 The prompt ( > ) indicates that you are in configuration mode. Locked à à commands are answered with ERROR. Save remote configuration settings AT*U : Save current remote configuration MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 76 Upon the AT*X command the modem leaves the remote configuration mode and returns to the online online state. Remote configuration settings not saved with AT*U will be lost. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 77: Modem Result Codes

    The CONNECT messages, i.e. the result codes indicating a successful connection, are influenced by the AT-M, AT\V and ATX commands (see pages 38, 45 and 47). The following table provides an overview of possible CONNECT messages. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 78 1200..33,600 CONNECT 14400 bps duplex with MNP or CONNECT 16800 V.42(bis) CONNECT 19200 CONNECT 21600 CONNECT 24000 CONNECT 26400 CONNECT 28800 CONNECT 31200 CONNECT 33600 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 79 CONNECT 19200/REL - LAPM CONNECT 21600/REL - LAPM CONNECT 24000/REL - LAPM CONNECT 26400/REL - LAPM CONNECT 28800/REL - LAPM CONNECT 31200/REL - LAPM CONNECT 33600/REL - LAPM MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 80 CONNECT 12000/LAPM Transfer bit rate 300..33,600 CONNECT 14000/LAPM bps duplex with V.42 CONNECT 16800/LAPM CONNECT 19200/LAPM CONNECT 21600/LAPM CONNECT 24000/LAPM CONNECT 26400/LAPM CONNECT 28800/LAPM CONNECT 31200/LAPM CONNECT 33600/LAPM MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 81 The AT-M1 command has no effect on the abbreviated forms of the result codes. These correspond to the result codes with the AT-M0 setting (see page 38). MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 82: Fax Operation

    6 of the modem register S14 must be set to 1 (see also page 52), to prevent the modem from hanging up. Adaptive answer function in the fax command set: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 83 à à at+fclass=2 or at+fclass=1 command is sent at 19,200 bps by the modem. However, if another AT command has been sent to the modem in the MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 84: Voice Operation With Microlink 33.6Tqv/28.8Tqv

    See the software documentation for information on how to use the voice function. A detailed description of the voice commands is available in the ELSA ONLINE Support BBS for download (phone number on page 99).
  • Page 85 Operation Notes: MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 86: Appendices

    DCD follows the state of the carrier &C2 DCD is dropped only during hang up Dialing (connection establishment) Enable DTR dialing Disable DTR dialing Delay before forced hang up MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 87 Display Plug and Play information Detect phase off Detect phase on DTE rate determined by CONNECT bit rate (Same effect as AT\J0) Break control (n = 0..5; default value = 5) MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 88 Make register n the default register Display the value of the last referenced register (default register) Set the last referenced register (default register) to the value x Set access flags MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 89 Use configuration profile 0 at startup &Y1 Use configuration profile 1 at startup Load configuration profile 0 Load configuration profile 1 &Zm=n Store telephone numbers (m = 0..19) MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 90: B Error Correction And Data Compression

    â â â â â MNP4 â n n â n n â â â â physical Physical connection (AT\N0 in normal mode or AT\N1 in direct mode) MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 91: C Technical Specifications

    108 x 38 x 140 mm (W x H x D) Dimensions Temperature: 5..40°C (41..104°F) Environment Relative humidity: 0..80%, non-condensing according to EN 50082/part1, EN 55022, EN 60950 CE approval MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 92: International Connector Types

    Connector for the UK Connector for the Netherlands Connector for the USA and Spain RJ11 socket pin assignment Line Telephone socket 1 2 3 4 5 6 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 93: The Rs-232C Interface

    This modem output is usually active (ON) when the modem detects a carrier signal during an existing connection. It is influenced by the AT&C command (see page 29). MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 94: E Answers To Frequently Asked Questions

    What is the best initialization string for using my modem to call a BBS? All ELSA modems are already preconfigured for standard BBS operation. If you have changed the configuration and come across problems with a BBS, you can restore the factory default settings with the AT&F command and save the configuration with AT*W .
  • Page 95 MODEMTST.EXE. You will always find the latest version in the ELSA ONLINE Support BBS (phone number on page 99) and in the ELSA forum in CompuServe for download. MODEMTST offers the following functions: Test the serial ports (e.g.

  • Page 96: Winfax

    WinFax PRO 3.0 or 4.0 AT&C1&D2\\Q4\ More information to using WinFax PRO with ELSA MicroLink modems can be downloaded from the MODEMS forum of the ELSA ONLINE support BBS and in the MODEM SOFTWARE library of the ELSA forum in CompuServe OS/2 When using Telix for DOS or the communications program ZOC in a DOS box under OS/2, I frequently get CRC errors.

  • Page 97: Telix

    A common reason for frequent CRC errors is an improperly set handshake method. The same method must be enabled in both your modem and Telix. All ELSA modems are preset to RTS/CTS handshake ( AT\N3 ). In Telix for DOS v3.22, XON/XOFF handshake is the default setting. Make the following changes in the Telix configuration ( ) under "Terminal options":...
  • Page 98 Appendix: Answers to Frequently Asked Questions with RIP-supporting terminal programs like RIPterm (freeware, available in the ELSA ONLINE BBS for download) or Telix for Windows. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 99: F Product Support

    In very urgent cases, call the ELSA Hotline in Germany: Phone +49-241-9177-112 Monday to Thursday from 9 am to 4:30 pm (CET) Friday from 9 am to 12 pm (CET) MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 100 Support BBS always holds the latest product information, examples and software tools. ATTENTION Please pay attention to the forum structure of ELSA ONLINE . If you have a à à question, please always choose the appropriate forum, for example the MODEMS forum if you have questions about your modem.
  • Page 101 E-mails to our Support team. You can reach our ELSA Support forum in CompuServe via GO ELSA . In this CompuServe forum, we offer you the same support and service as in the ELSA ONLINE Support BBS.
  • Page 102 Appendix: Product Support ATTENTION Please pay attention to the structure of the mail and file areas in the ELSA à à forum. Please always choose the appropriate mail area for your questions, for example "ELSA modems" for questions about your modem. This facilitates our support work and guarantees that your question is answered as soon as possible.

  • Page 103: Glossary

    BBS as a communication forum. In addition, many BBS's are offering libraries containing software and information about various areas. The ELSA ONLINE Support BBS, which can be accessed with the phone number +49-241-9177- MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 104 In this mode of operation (also called full duplex ), data can be sent and Duplex received simultaneously. In half-duplex mode, data transmission is possible in both directions as well. However, the two connected systems cannot send or MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 105 28,800 bps can be achieved. To transmit data that have already been compressed (e.g. * .ZIP, * .ARC), MNP class 4 should be used, for no considerable further compression can be reached by MNP5 with these MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 106 Telix (supplied with every ELSA MicroLink ® modem that uses the AT command set), supports many common transmission protocols, such as → XModem, XModem-1k, Ymodem and → ZModem. MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 107 ZModem is especially suitable for transmissions via satellite lines or networks with data packet switching. ZModem is supported by the → communications software Telix . MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 108: H Warranty Conditions

    ELSA Monitor, damage to the cathode ray tube (CRT) has been caused by mechanical load (e.g. from shock to the pitch mask assembly or damage to the glass tube), by strong magnetic fields near the CRT (colored dots on the screen), or through the permanent display of an unchanging image (phosphor burnt).
  • Page 109 6. Additional regulations a) The above conditions define the complete scope of ELSA’s legal liability. The warranty gives no entitlement to additional claims, such as any refund in full or in part. Compensation claims, regardless of the legal basis, are excluded.

  • Page 110: Index

    Callback delay ............59 Dial tone ......13, 21, 22, 30, 47, 54, 76 Callback log ............. 57 Dialing method ............30 Callback number, saving ......... 70 Dialing speed............52 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 111 Hang up delay............ 31, 58 Polling ..............52 Hang-up command ..........34 Private telephone exchange ......21, 94 Hang-up, reasons ............ 63 Product information ..........35 HDTP approval............13 Product Support ............98 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 112 Support ..............98 Word length.............55 Support BBS ............ 99, 102 Xmodem..............106 SysOp..............105 XON/XOFF............41, 47, 61 T.4 data..............67 ZIP files ..............93 TAE6-N plug pin assignment........91 Zmodem ..............106 MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...
  • Page 113 Appendix: Index MicroLink 33.6TQV / MicroLink 28.8TQV / MicroLink 14.4TQ Manual © 1997 ELSA GmbH...

  • Page 114: British Telecom Application Form

    Please refer to section 3.1 of this manual for further information on national regulations for your modem. ------------------------------------------------------------------------------------------------------------------------------------------ To : British Telecom I am now the owner of an r ELSA MicroLink ® 28.8TQ modem r ELSA MicroLink ® 28.8TQV modem...

This manual is also suitable for:

Microlink 28.8tqvMicrolink 14.4tq

Table of Contents