
PARADYNE CORPORATION

DATAPORT 3710

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103A/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, V.42, V.42bis

[Image]

                                CONNECTIONS

         Purpose             Location          Purpose           Location

  Line out                     CN1       DC power                  CN4

  Line in                      CN2       Power switch              SW1

  RS-232/422                   CN3

                             DIAGNOSTIC LED(S)

    LED         Color        Status                 Condition

     EC          Red           On            Error correction enabled

     EC          Red           Off          Error correction disabled

     HS          Red           On          Modem is operating at highest
                                                 configured speed

     HS          Red           Off        Modem is operating at less than
                                             highest configured speed

     CD          Red           On            Carrier signal detected

     CD          Red           Off         Carrier signal not detected

     OH          Red           On               Modem is off-hook

     OH          Red           Off               Modem is on-hook

     RD          Red           On            Modem is receiving data

     RD          Red           Off         Modem is not receiving data

     SD          Red           On           Modem is transmitting data

     SD          Red           Off        Modem is not transmitting data

     TR          Red           On               DTR signal is high

     TR          Red           Off              DTR signal is low

     MR          Red           On               DSR signal is high

     MR          Red           Off              DSR signal is low

                         Proprietary AT Command Set

                            AT COMMAND RESPONSE

  Type:          Regtster

  Format:        AT [cmds] S84=n [cmds]

  Example:       AT S84=0 &W<CR>

  Description:   Sets the response to AT commands.

    Command                              Function

     S84=0       Normal operation

     S84=1       Execute valid commands, suppress error codes.

     S84=2       Ignore configuration commands, always return OK error
                 code.

                                 AUTO BAUD

  Type:           Register

  Format:         AT [cmds] S78=n [cmds]

  Example:        AT S78=0 &W<CR>

  Description:    Allows modem to connect at remote modems modulation
                  during V.32bis connection.

    Command                              Function

     S78=0        Auto baud enabled.

     S78=1        Auto baud disabled.

                  AUTO-RELIABLE TIME BUFFER CONFIGURATION

  Type:           Configuration

  Format:         AT [cmds] \Cn [cmds]

  Example:        AT \C1 &W<CR>

  Description:    Controls the handling of incoming data during
                  auto-reliable time period.

    Command                              Function

      \CO         Data is discarded.

      \C1         Data is buffered.

      \C2         Data is discarded, resets to \C1 on receipt of
                  autoreliable fallback character.

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:              Configuration

  Format:            AT [cmds] %An [cmds]

  Example:           AT%A20<CR>

  Default:           13

  Range:             0-127

  Unit:              ASCII

  Description:       Sets the character used as the auto-reliable
                     fallback character. %A0 will disable this function.

                                BREAK TYPE

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Example:       AT \K5 &W<CR>

  Description:   Selects response to DTE break command.

    Command                              Function

      \K0        Send break, clear buffer, enter command mode.

      \K1        Send break, clear buffer.

      \K2        Send break, send data, enter command mode.

      \K3        Send break. send data.

      \K4        Send data, send break, enter command mode.

      \K5        Send data, send break.

                           CELLULAR ENHANCEMENTS

  Type:          Register

  Format:        AT [cmds] S91=n [cmds]

  Example:       AT S91=0 &W<CR>

  Description:   Configures modem to enhanced cellular mode

    Command                              Function

     S91=0       Disabled

     S91=1       Enabled

                                 CD SIGNAL

  Type:          Configuration

  Format:        AT [cmds] &Cn [cmds]

  Example:       AT &C3 &B0<CR>

  Description:   Configures the behavior of the carrier detect signal.

    Command                              Function

      &C0        CD forced high.

      &C1        CD normal.

      &C2        Blink on disconnect.

      &C3        CD follows DTR.

      &C4        Simulated control carrier.

      &C5        CD follows DTR, forced low on disconnect.

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Example:       AT &B0 %C1 &I2<CR>

  Description:   Selects V.42 and MNP data compression.

    Command                              Function

      %C0        Data compression disabled.

      %C1        Data compression enabled.

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N1 DT555-1212<CR>

  Description:   Sets connect mode.

    Command                              Function

      \N0        Normal mode enabled.

      \N1        Direct mode enabled.

      \N2        MNP mode only enabled.

      \N3        MNP mode with fallback to normal mode enabled.

      \N4        LAP-M mode only enabled.

      \N5        LAP-M mode with fallback to normal mode enabled.

      \N6        V.42/MNP only enabled.

      \N7        V.42/MNP with fallback to normal mode enabled.

                       CONNECTION SPEED UPPER LIMIT

  Type:          Immediate

  Format:        AT [cmds] %Bn [cmds]

  Example:       AT %B14400<CR>

  Description:   Selects the current DCE speed.

    Command                              Function

     %B300       Select V.21 or Bell103 at 300bps speed.

     %B1200      Select V.22,V.23 or Bell 212A at 1200bps speed.

     %B2400      Select V.22 at 2400bps speed.

     %B4800      Select v.32/V.32bis at 4800bps speed.

     %B7200      Select V.32bis at 7200bps speed.

     %B9600      Select V.32bis/V.32 at 9600bps speed.

    %B12000      Select V.32bis at 12Kbps speed.

    %B14400      Select V.32bis at 14.4Kbps speed.

                                CTS SIGNAL

  Type:          Configuration

  Format:        AT [cmds] \Dn [cmds]

  Example:       AT \D0<CR>

  Description:   Selects the function of the CTS signal.

    Command                              Function

      \D0        CTS forced high.

      \D1        CTS normal.

      \D2        CTS interrupted for 2 seconds on disconnect.

      \D3        CTS follows DTR.

                          DISCONNECT IMMEDIATELY

  Type:             Configuration

  Format:           AT [cmds] S85=n [cmds]

  Example:          AT S85=0 &W<CR>

  Description:      Disconnect immediately on receipt of disconnect
                    signal from DTE or diagnostic control panel.

     Command                              Function

      S85=0         Disabled.

      S85=1         Enabled.

                                FAX DISABLE

  Type:          Configuration

  Format:        AT [cmds] S79=n [cmds]

  Example:       AT S79=1 &W<CR>

  Description:   Enables V.17 fax capability

    Command                              Function

     S79=0       Disable

     S79=1       Enable

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT \G1 &K3<CR>

  Description:   Selects modem port flow control.

    Command                              Function

      \G0        Flow control disabled.

      \G1        Flow control enabled.

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Example:       AT \Q5<CR>

  Description:   Sets type of flow control used by modem.

    Command                              Function

      \Q0        Flow control disabled.

      \Q1        Bidirectional XON/XOFF flow control enabled.

      \Q2        CTS flow control by DCE enabled.

      \Q3        Bidirectional CTS/RTS flow control enabled.

      \Q4        XON/XOFF flow control by DCE enabled.

      \Q5        XON/XOFF flow control by DTE enabled.

      \Q6        RTS flow control by DTE enabled.

                             INACTIVITY TIMER

  Type:             Register

  Format:           AT [cmds] \Tn [cmds]

  Example:          AT\T20<CR>

  Default:          0

  Range:            0-255

  Unit:             1 minute

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

                             LAP-M FRAME SIZE

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 %C1<CR>

  Description:   Sets the maximum frame size for V.42 and MNP
                 connections.

    Command                              Function

      \A0        Maximum frame size is 64

      \A1        Maximum frame size is 128

      \A2        Maximum frame size is 192

      \A3        Maximum frame size is 256

      \A4        Maximum frame size is 32

      \A5        Maximum frame size is 16

  Note: Maximum V.42 frame size is 128.

                            LAP-M FRAME WINDOW

  Type:          Register

  Format:        AT [cmds] S89=n [cmds]

  Example:       ATS89=6<CR>

  Default:       0

  Range:         1-9

  Unit:          1 frame (beginning with 0=6 frames)

  Description:   Sets the number of frames used in V.42 and V.42bis
                 transmissions

                                LINE SPEED

  Type:          Register

  Format:        AT [cmds] S41=n [cmds]

  Example:       ATS41=6<CR>

  Default:       1

  Description:   Sets maximum line speed

    Command                              Function

     S41=1       14.4Kbps V.32bis

     S41=2       12.0Kbps V.32bis

     S41=3       9600bps V.32bis, V.32

     S41=4       7200bps V.32bis

     S41=5       4800bps V.32bis, V.32

     S41=6       2400bps V.22bis

     S41=7       1200bps V.22

     S41=8       1200bps 212A

     S41=10      0-300bps V21

     S41=11      0-300bps 103j

     S41=12      1200/75bps V.23

     S41=13      75/1200bps V.23

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] S90=n [cmds]

  Example:       AT S90=0<CR>

  Description:   Sets operation of serial port speed.

    Command                              Function

     S90=0       Disabled.

     S90=1       Serial speed follows connect speed.

                            TRANSMISSION LEVEL

  Type:          Register

  Format:        AT [cmds] &In [cmds]

  Example:       AT &I26 &W<CR>

  Default:       0

  Range:         -10dBm to -.25dBm

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission

                            TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] &J0 [cmds]

  Example:       AT &J0 &W<CR>

  Description:   Sets permissive mode

                           V.32bis AUTO-RETRAIN

  Type:           Configuration

  Format:         AT [cmds] S76=n [cmds]

  Example:        AT S76=0 &W<CR>

  Description:    Selects action the modem will take during bad line
                  quality on 32bis connection.

    Command                              Function

     S76=0        Auto retrain enabled.

     S76=1        Auto retrain disabled.

     S76=2        Auto retrain started at 4800bps.

     S76=3        Auto retrain started at 9600bps

                               V.32bis TRAIN

  Type:          Register

  Format:        AT [cmds] S43=n [cmds]

  Example:       AT S43=0 &W<CR>

  Description:   Sets train length. Cellular setting is short.

    Command                              Function

     S43=0       Long

     S43=1       Short

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Example:       AT \X7 O<CR>

  Description:   Selects whether XON/XOFF signals are sent to remote
                 modem.

    Command                              Function

      \X0        XON/XOFF signals trapped by local modem.

      \X1        XON/XOFF passed through local modem.

