
LINKSYS

FAXMODEM 14.4/14.4 CARD

Card Type                    Fax, Modem (asynchronous)
Chip Set                     Unidentified
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA Type II
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, MNP10, V.42, V.42bis

                                                                      V1940

                         Proprietary AT Command Set

                         ACCEPT MNP RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \U [cmds]

  Description:   Accept remote modems request for MNP reliable mode

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Description:   Controls auto-retrain mode

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem

                                BREAK TYPE

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Description:   Configures action of break signal

    Command                              Function

      \K0         Buffers cleared, break sent to DTE

      \K1         Buffers cleared, break sent to DTE

      \K2         Break sent immediately to DTE

      \K3         Break sent immediately to DTE

      \K4         Break sent with received data to the DTE

      \K5         Break sent with received data to the DTE

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        Data compression enabled

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Description:   Controls the type of connection the modem will operate
                 in

    Command                              Function

      \N0        Normal mode enabled

      \N1        Normal mode enabled

      \N2        Reliable mode enabled

      \N3        Auto-reliable mode enabled

                       CONVERT TO MNP RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \Y [cmds]

  Description:   Converts to MNP reliable mode from normal or direct mode

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Description:   Selects modem port flow control

    Command                              Function

      \G0        Flow control disabled

      \G1        Flow control enabled

                             INACTIVITY TIMER

  Type:                  Configuration

  Format:                AT [cmds] \Tn [cmds]

  Default:               0

  Range:                 0-42

  Unit:                  1 minute

  Description:           Sets the length of time that the modem does not
                         receive information before it disconnects.

                             INACTIVITY TIMER

  Type:                  Register

  Format                 AT [cmds] S30=n [cmds]

  Default:               0

  Range:                 1-255

  Unit:                  Unidentified

  Description:           Maximum duration of DTE and DCE inactivity
                         allowed prior to initiating hang-up process.

            Note: S30=0 disables the timer and allows indefinite
            inactivity.

                        INITIATE MNP RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \O [cmds]

  Description:   Initiates MNP reliable mode from normal or direct mode

                             LINE SIGNAL LEVEL

  Type:           Immediate

  Format:         AT [cmds] %L [cmds]

  Description:    Returns a value which indicates the received line
                  signal level

                            LINE SIGNAL QUALITY

  Type:          Immediate

  Format:        AT [cmds] %Q [cmds]

  Description:   Returns a value which indicates line signal quality

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Description:   Sets the maximum transmittable block size

    Command                              Function

      \A0        MNP block size is 64 characters

      \A1        MNP block size is 128 characters

      \A2        MNP block size is 192 characters

      \A3        MNP block size is 256 characters

                          MNP - STREAM/BLOCK MODE

  Type:          Configuration

  Format:        AT [cmds] \Ln [cmds]

  Description:   Selects the transfer mode for MNP link

    Command                              Function

      \L0        Stream mode for MNP enabled

      \L1        Block mode for MNP enabled

                           SWITCH TO NORMAL MODE

  Type:          Immediate

  Format:        AT [cmds] \Z [cmds]

  Description:   Switches to normal mode from MNP mode

                       V.42bis - COMPRESSION CONTROL

  Type:          Configuration

  Format:        AT [cmds] %Mn [cmds]

  Description:   Controls V.42bis data compression

    Command                              Function

      %M0        V.42bis disabled

      %M1        V.42bis when transmitting enabled

      %M2        V.42bis when receiving enabled

      %M3        V.42bis when transmitting/receiving enabled

                         V.42bis - DICTIONARY SIZE

  Type:          Configuration

  Format:        AT [cmds] %Dn [cmds]

  Description:   Select V.42 dictionary size

    Command                              Function

      %D0        Select 512 bytes

      %D1        Select 1024 bytes

      %D2        Select 2048 bytes

      %D3        Select 4096 bytes

                      V.42bis - MAXIMUM STRING LENGTH

  Type:          Immediate

  Format:        AT [cmds] %Sn [cmds]

  Default:       32

  Range:         6-250

  Unit:          Characters

  Description:   Selects string size for V.42bis compression

                    V.42bis - RESET ENCODER DICTIONARY

  Type:                   Immediate

  Format:                 AT [cmds] %P [cmds]

  Description:            Resets the V.42bis encoder dictionary on the
                          local modem and send a command code for the
                          remote modem to reset the encoder dictionary

