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ELSA MicroLink 33.6TS User Manual

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MicroLink 33.6TS
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Data Communications
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  • Page 1 MicroLink 33.6TS 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

    Technical Specifications ......................83 The RS-232C Interface ......................... 85 Answers to Frequently Asked Questions ..................86 Product Support..........................89 Warranty Conditions ........................93 Glossary............................95 Index ............................101 British Telecom Application Form..................105 MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 5: Introduction

    However, you will always find the latest information on the Web server http://www.elsa.de or in the ELSA ONLINE Support BBS (see the appendix "Product Support" for phone numbers).
  • Page 6 Introduction Notes: MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 7: Brief Description

    Brief Description Brief Description Design MicroLink 33.6TS is a desktop modem in a flat, robust metal housing. Transmission types MicroLink 33.6TS supports the following transmission types and bit rates: 300 bps duplex (not in the United Kingdom) Bell 103 V.21...
  • Page 8 (see Chapter "The AT Command Prefix", page 25). Voice function MicroLink 33.6TS is equipped with a voice function, allowing you to use your modem as an answering machine in connection with the supplied voice software (see section 5.9, page 78).

  • Page 9: Ce Approval

    Residential, commercial and light industry 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 33.6TS Manual © 1996 ELSA GmbH...
  • Page 10 Brief Description Notes MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 11: National Regulations

    Sheet included with this manual containing all necessary information for your country. 3.1 BABT Approval (United Kingdom) This section applies only to the BABT approved British versions of the ELSA MicroLink ® 33.6TS modem. This apparatus has been approved by the BABT for the use of the following facilities:...
  • Page 12 The V.24/RS-232C interface on the rear side of the modem housing is a connector to ◊ ◊ 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 33.6TS Manual © 1996 ELSA GmbH...

  • Page 13: Hdtp Approval (The Netherlands)

    Some telephone exchanges in the Netherlands still provide a dial tone in the frequency range between 100 and 200 Hz which will not be recognized by MicroLink 33.6TS . It is therefore possible that the modem will not function properly at all public telephone exchanges. Dial tones in the frequency range between 340 and 550 Hz are properly recognized.

  • 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 ◊ ◊ Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 16 National Regulations Notes: MicroLink 33.6TS Manual © 1996 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 regard the guidelines listed below. IMPORTANT ◊...

  • Page 18: Setting Up Microlink 33.6Ts

    Setting up the Modem 4.2 Setting up MicroLink 33.6TS The following illustrations show the front and rear panels of the ELSA MicroLink 33.6TS : Front panel of the MicroLink 33.6TS The LEDs provide a status display and indicate the status of the interface lines (see also appendix "The RS-232 interface"...

  • Page 19: Connection

    For voice transmission in speakerphone operation you can 4. Microphone/ active speakers use a telephone connected to the modem, or use a headset (earphone/microphone combination) with separate microphone/headphone connectors plugged into appropriate modem MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 20 AT at the keyboard and press Return. If this series of characters is echoed by the modem (i.e. displayed on the monitor) and answered with OK , the modem is ready for operation. MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 21: Installation Under Windows 95

    Disk" window click on OK. The files required files will now be copied onto hard disk. Select modem In the "Select Device" window, select the ELSA MicroLink 33.6TS and click on OK. Your ELSA MicroLink 33.6TS is now installed under Windows 95. Check In the "Properties for Modems"...

  • Page 22: Establishing A Connection

    Special dialing 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 32). MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 23: Operation

    5.3, page 25). To send AT commands to the modem from a PC, you need a suitable commu- ® nications software, also called "terminal program". All ELSA MicroLink modems are shipped with the famous communications program Telix . Two operating states The two general operating states of a modem are the command state and the online state (transmission state).

  • Page 24: The Escape Command

    EPD, the modem changes back to the online state with a CONNECT message. The CONNECT message can be suppressed with the AT*Q1 command (see page 46). Escape Prompt Delay The delay of one second can be altered in the register S12 (see page 61). MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 25: The At Command Prefix

    Supported bit rates MicroLink 33.6TS supports DTE rates up to 115,200 bps. Default values for the data format are 8 data bits, no parity, 1 stop bit ( 8N1 ). The following data formats are recognized automatically:...

  • Page 26: The Command Line Buffer

    (i.e. subsequent commands are not executed): ATD (dial command), 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 33.6TS Manual © 1996 ELSA GmbH...

  • Page 27: Thematic Summary Of Modem Commands And Registers

    Operation with stored initializations &V, &W, *W, &Y, Z Operation with stored subscriber numbers \F, \P, &Z Access restriction and callback function $B, $Y, $S, $P, $R S35, S42, S43, S53 MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 28: Description Of At Commands

    RING (verbose form) or 2 (abbreviated form). ATTENTION If the automatic call acceptance function is enabled, a call cannot be accepted ◊ ◊ manually (i.e. with the ATA command) as the line is disconnected upon the MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 29 This command determines whether your modem transmits at 300 or 1200 bps in compliance with the ITU-T standards V.21 or V.22bis or according to the Bell standards 103 or 212A. NOTE V.8 speed recognition can be switched off by means of the command ATB1 ◊ ◊ DCE rate MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 30 This setting is recommended since the access restriction changes the timing sequence of RING and CONNECT. This setting, however, corresponds as closely as possible to making a connection without any access restriction. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 31 MNP nor an LAPM request. If no MNP or LAPM request is recognized within three seconds, the modem falls back to normal mode. In the setting AT\C0, no buffering and no early fallback takes place. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 32 0..9 and, in the case of tone dialing, may also contain the characters A..D, * and #. The maximum allowed length of the entire dial string is 64 characters. The following special characters may be included: MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 33 In addition, entry of ATD without parameters allows an existing telephone connection (voice) to be taken over by the modem (data). This requires that modem and telephone are connected to the same line. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 34 DTR from ON to OFF aborts the connection being made. If the modem is in the data transmission state (i.e. a connection already exists), it switches to the command state. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 35 DCD always ON 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 33.6TS Manual © 1996 ELSA GmbH...
  • Page 36 A total of 19 different user passwords can be stored by means of the command AT$P (see Page 45). MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 37 This command loads the factory default settings of the modem firmware. (Exception: S54, S64, S86, S87, S88, S89, S99, S130, and S229 will not be changed). The modem is reset to the delivery state. If a connection exists, this command is not executed. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 38 In the United Kingdom, the guard tone cannot be switched off, and default is ◊ ◊ 1800 Hz. In the USA, the calling tone is off by default to avoid confusion with a 300-bps carrier (Bell 103). Hang up/Connect modem command MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 39 ATI2 calculates the checksum of the ROM and compares it with the checksum stored in the ROM. If both values are identical, an OK is displayed. If they are not, ERROR is replied. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 40 This command affects the handling of break signals received by the modem. The following tables indicate the effects of the parameter n. The modem is able to buffer up to four breaks (received and to be sent). MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 41 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 33.6TS operates 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 42 This command controls the bit rate adaptation during the establishment of a connection. With AT%M0 (default setting) MicroLink 33.6TS operates in accordance with the ITU-T standard V.8. Modems complying with this standard automatically adapts itself to the transmission bit rate of the other party.
  • Page 43 MNP. If that protocol is not supported as well, the connection is aborted. The following table shows which types of connections can be established between two modems dependent on the setting of AT\N (and, in the case of the calling modem, also dependent on AT-J): MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 44 The numbers stored with AT\P can be overwritten with the AT&Z command (see page 57). This command can only be the last one in a command line (i.e. any commands following this command will not be performed). MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 45 Password is sufficient identification Request subscriber number as additional identification Request password; then callback the stored subscriber number Request password and subscriber number; then callback the entered subscriber number with three dialing attempts reserved MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 46 Data flow control is especially important if the transmission bit rate to the computer is not equal to the DCE rate. That is the case e.g. when error correction and data compression methods are used. Without a handshake procedure there is an inevitable risk of buffer overflow. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 47 If the commands AT$P or AT$R are used when the access key 'P' (see Page 50) ◊ ◊ is inactive, a request to enter the supervisor password is issued. If an incorrect password is entered, the commands are not executed, and the message ERROR is displayed. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 48 Verbose display of the current configuration AT\S0 : Display the entire list AT\S1 : Display the entire list AT\S2 : Display from part 2 AT\S3 : Display from part 3 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 49 S2=43 EFFECT OF DTR &D2 MEANING OF DSR &S0 Press any key to continue... ON-SCREEN-MESSAGES AND SPEAKER MODEM MESSAGES COMMAND ECHO FORM OF MESSAGES LONG MESSAGES DEP ON \V CONNECT MESSAGES TIES CONNECT MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 50 AT$S? The AT$S? command allows for querying the current access key. Calling this command outputs a list of the current access keys to the screen. Example: at$s? CONFIG : AW------ Set tone dialing MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 51 (see also register S30, page 65). 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 33.6TS Manual © 1996 ELSA GmbH...
  • Page 52 Depending on the setting for the AT\Q command (see page 46), <xon> and ◊ ◊ <xoff> represent the corresponding handshake signal. If the access protection or automatic callback function is activated, a call can produce the following messages for the remote modem: MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 53 Display configuration profiles AT&V This command displays the current configuration and the two stored configuration profiles 0 and 1 (see also the AT&W and AT*W commands, page 54) of the modem on the monitor. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 54 This command can be used to save the current modem configuration in the non-volatile memory of the modem. Two different configuration profiles (0 and 1) can be stored. The current values of the following commands and registers are saved: MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 55 NO CARRIER. NOTE With the ATX0 setting only the message CONNECT (or "1" in short form) is ◊ ◊ displayed, regardless of the transmission bit rate and the type of connection. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 56 AT$Y The AT$Y can be used to modify the supervisor password . The authorized user must enter the supervisor password. The factory set supervisor password is ELSA. This default password can be modified using the AT$Y command. The password must have a minimum of four characters and a maximum of eight. Numbers, capitals and punctuation are valid characters.
  • Page 57 33. The numbers stored with AT&Z can be overwritten with the AT\P command (see page 44). You can display the stored telephone numbers with the AT\F command. MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 58: Registers

    Operation 5.7 Registers MicroLink 33.6TS has internal registers you can use to modify the configuration of the modem (see ATSn command, page 48). On the following pages, the functions of each register are described. Please note that changing the value of a bit-mapped register can affect several functions at once! Bit-mapped registers Be very careful with changing bit-mapped registers, i.e.
  • Page 59 The character for <LF> (Line Feed) can be redefined in register S4. Backspace character Valid values 0..32, 127 (decimal) Default value 8 (Backspace) Storage in non-volatile memory AT*W The character for <BS> can be redefined in register S5. MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 60 Register S10 determines the period of time after which the modem terminates the connection if no carrier signal is detected. This setting is only relevant for transmission via V.21, V.22bis and V.23. Tone duration for tone dialing Country Valid values Default value MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 61 1 = polling allowed during connection establishment 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: Dec. Meaning MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 62 3 = speaker on when waiting for answer tone ATM3 0 = do not wait for dial tone ATX0/ATX1/ATX3 1 = wait for dial tone ATX2/ATX4 0 = ignore busy tone ATX0/ATX1/ATX2 1 = evaluate busy tone ATX3/ATX4 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 63 AT&Dn and AT$Dn commands. Bit-mapped options The contents of register S27 can be stored in the non-volatile memory using the AT&W or AT*W command. The individual bits have the following meaning: Dec. Meaning MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 64 The contents of register S29 can be stored in the non-volatile memory using the AT*W command. The individual bits have the following meaning: Dec. Meaning 0 = Automatic fallback to V.23 allowed 1 = Automatic fallback to V.23 not allowed MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 65 1 = calling tone according to ITU-T V.8 0 = manual dialing off AT:D0 1 = manual dialing on AT:D1 0 = DTR dialing off AT$D0 1 = DTR dialing on AT$D1 6..7 reserved MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 66 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: MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 67 0 =DTE rate determined by CONNECT bit rate AT\J0 1 = same effect as AT\J0 AT\J1 Delay before forced hang up Valid values 0..255 seconds Default value 0 seconds Storage in non-volatile memory AT&W or AT*W MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 68 Register S46 determines whether a data compression method is used, and which one is used. Dec. Meaning No data compression AT%C0 MNP5 data compression only AT%C1 V.42bis data compression only AT%C2 V.42bis or MNP5 data compression AT%C3 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 69 The individual bits have the following meaning: Dec. Meaning 0..3 0 = no handshake AT\Q0 1 = XON/XOFF bidirectional AT\Q1 2 = RTS/CTS unidirectional AT\Q2 3 = RTS/CTS bidirectional AT\Q3 4 = XON/XOFF unidirectional AT\Q4 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 70 By default, this ringing is enabled. This register is independent of the command AT&F, but the setting for the acoustic signal depends on the setting ATMn. The settings for this register can be stored to non-volatile memory with the command AT*W. Dec. Meaning MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 71 0 = Symbol rate 3200 bps off 1 = Symbol rate 3200 bps on (max. 31,200 bps) 0 = Symbol rate 3429 bps off 1 = Symbol rate 3429 bps on (max. 33,600 bps) 6..7 reserved MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 72 No connection reached (time-out) or wrong modulation type Fallback not permitted because of AT%L2 No modem or fax is answering at the number called Dialing automation ATH (online) ATZ (online) AT&T0 (in analog loopback) Termination via keystroke Termination via DTR MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 73 Register S88 can be read only. It contains information about the current connection: Dec. Meaning 0 = no connection with MNP1..4 1 = connection with MNP1..4 0 = no connection with MNP5 1 = connection with MNP5 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 74 7 = modulation type V.34, asymmetric bit rates DTE rate 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 33.6TS Manual © 1996 ELSA GmbH...
  • Page 75 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: Dec. Meaning MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 76 0 = reversed bit order for T.4 data (Class 2 '89, receive) 1 = normal bit order for T.4 data (Class 2 '89, receive) 0 = operation with conventional fax software 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...

  • Page 77: Using The Speakerphone

    The value 2 activates room monitoring. This turns the speaker off and sets the microphone sensitivity to maximum. In this mode, the MicroLink 33.6TS can be used as a baby monitor. This parameter can be used to adjust the speaker volume within the value range of 0..16 (default value = 5) The value 0 is loud and 16 is soft.

  • Page 78: Room Monitoring

    Microphone is turned on and speaker turned off; room monitoring extended one minute. Microphone and speaker are turned on; room monitoring extended one minute. 3..9, #, * Modem hangs up immediately. Room monitoring mode remains active. MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 79: The Microlink 33.6Ts Voice Function

    If you play old voice files on your MicroLink 33.6TS and they sound “scratchy” and distorted, it may be that these voice files were recorded using an old procedure. This older procedure differs from the new one in its byte sequence.

  • Page 80: Appendix

    AT-M, AT\V and ATX commands (see pages 42, 54 and 55). An overview of the Connect-messages can be found in the Online Documentation on the CD shipped with this product. MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 81: Fax Operation

    Anhang: Technische DatBeschreibung der Rückmeldungen Fax Operation In addition to the modem operating modes, the MicroLink 33.6TS supports sending and receiving faxes at 14.400..2400 bps. As a result of the fax command set Class1 and Class 2, it is possible to use any standard fax software (e.g.

  • Page 82: C Error Correction

    â â â â â â â â â â MNP 5 â 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 33.6TS Manual © 1996 ELSA GmbH...

  • Page 83: Technical Specifications

    Environment Relative humidity: 0..80%, non-condensing according to EN 50082/part1, EN 55022, EN 60950 CE approval Desktop model with metal housing Design 108 x 38 x 140 mm (W x H x D) Dimensions MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 84 International Connector Types Connector for Belgium Connector for the UK Connector for the Netherlands Connector for the USA and Spain RJ11 socket pin assignment Line Telephone 1 2 3 4 5 6 socket MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 85: E The Rs-232C Interface

    DCD = Data Carrier Detect 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 32). MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 86: F Answers To Frequently Asked Questions

    Is the DTE rate (serial port bit rate) of your communications program set to a value within the speed range recognized by your modem? MicroLink 33.6TS recognizes DTE rates up to 115,200 bps. If your modem configuration has been changed, try to reset the modem to the factory default configuration with the AT&F command (even if this command does not appear on the screen).
  • Page 87 (DCE) rate (e.g.115.200 bps MicroLink 33.6TS instead of 38.400 bps). However, this absolutely requires a handshake method for data flow control, either hardware handshake (RTS/CTS) or software handshake (XON/XOFF).
  • Page 88 Telix How can I set the bit rate in Telix to 33.6.. bps for MicroLink 33.6TS ? I only find settings for 9600, 19,200 and 38,400 bps. The bit rate you set in Telix is the DTE rate, i.e. the speed of your serial interface. This rate cannot be set to 33.600 bps.

  • Page 89: G Product Support

    Data Communications Support Sonnenweg 11 52070 Aachen Germany Fax +49-241-606-6499 In very urgent cases, call the ELSA Hotline in Germany: Phone +49-241-606-6143 Monday to Thursday from 9 am to 4:30 pm (CET) Friday from 9 am to 12 pm (CET)
  • Page 90 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 ◊ ◊ question, please always choose the appropriate forum, for example the MODEMS forum if you have questions about your modem.
  • Page 91 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 92 Appendix: Product Support ATTENTION Please pay attention to the structure of the mail and file areas in the ELSA ◊ ◊ 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 93: 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 94 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 95: Glossary

    Adaptive modem transmission bit rate of the remote station. ELSA was the first manufacturer to obtain a postal registration for an adaptive modem and is using an optimized method according to ITU-T V.100.
  • Page 96 Appendix: Glossary 241-6069800 (Germany), was set up as a forum for ELSA customers to exchange experiences and to post questions for the ELSA support team. Furthermore, ELSA ONLINE constantly offers topical product information, application examples and user software. → →...
  • Page 97 ELSA MicroLink modems equipped with the FullFax feature are capable of FullFax sending and receiving documents to and from Class 3 telefax devices. Of course, the other modem functions are fully maintained, so an ELSA FullFax modem can be used as a multifunctional device for both telefax and data communications.
  • Page 98 ELSA has been developing and manufacturing modems since the German Telekom regulations were liberalized in 1987. ELSA developed the...
  • Page 99 1200/75 bps and 75/1200 bps duplex; V.32 for 4800 bps and 9600 bps duplex; V.32bis for rates up to 14,400 bps duplex; and V.34 for rates up to 33,600 bps duplex. The product line of ELSA MicroLink ® modems covers all the above transmission protocols.
  • Page 100 Appendix: Warranty Conditions MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 101: Index

    Callback, automatic..........10 Download...............117 Calling tone ............48, 80 DSR ............44, 60, 85, 103 Carriage return character........72 DSR control..............44 Carrier..........41, 73, 76, 85, 96 DTE rate ......39, 48, 51, 77, 90, 105, 117 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 102 Inactivity timer........... 64, 79 Register contents.............58 Initialization string..........105 Registers..........30, 59, 71, 91 Installation............... 23 remote configuration ..........46 Interface ..............58 Remote configuration ........10, 69 Interface lines..........44, 58, 103 REN ..............15, 20 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 103 Transmission mode ........... 28, 38 Transmission protocol ........37, 119 Transmission rate..........117 UART.............. 107, 120 Upload ..............120 user password ........... 56, 59 user password ..........56, 57, 83 V. series..............120 MicroLink 33.6TS Manual © 1996 ELSA GmbH...
  • Page 104 Appendix: Index MicroLink 33.6TS Manual © 1996 ELSA GmbH...

  • Page 105: British Telecom Application Form

    British Telecom Application Form This page applies only to the BABT approved British versions of the MicroLink 33.6TS modem. The modem model described in this manual may not be BABT approved at this time. If you want to connect your modem to the British Telecom PSTN, you are required to fill in the form found below and send it to your local BT agency in order to have the appropriate connection socket installed.

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