
TRANSEND CORPORATION

TRANSEND SIXTY-SEVEN

Card Type                     Modem
Chip Set                      Unidentified
I/O Options                   Line in (2), DTE port, power jack
Maximum Modem Rate            67.2Kbps
Maximum Fax Rate              14.4Kbps
Data Modulation Protocol      Bell 103A/212A

                              ITU-T V34, V.32bis, V.32, V.22bis, V.8, V.13,
                              V.14, V.24, V.25
Fax Modulation Protocol       ITU-T V.17, V.27ter, V.29, V.21
Error Correction/Compression  MNP5, V.42, V.42bis
Fax Class                     Class I
Data Bus                      External

[Image]

                                CONNECTIONS

       Function           Label             Function              Label

  Power Jack                  CN1       Network port               CN4

  Line 1 in                   CN2       DTE port (25-pin           CN5
                                        serial connector)

  Line 2 in                   CN3       Power switch               SW1

                             DIAGNOSTIC LED(S)

    LED       Color        Status                  Condition

    TD            Green   Blinking          Modem transmitting data

    TD        Green         Off           Modem not transmitting data

    RD        Green       Blinking          Modem is receiving data

    RD        Green         Off           Modem is not receiving data

    CD        Green          On          Carrier signal detected or CD
                                                override is on

    CD        Green         Off           Carrier signal not detected

    CS        Green          On               CTS signal is high

    CS        Green         Off                CTS signal is low

    RS        Green          On               RTS signal is high

    RS        Green         Off                RTS signal is low

    TR        Green          On        Modem is receiving DTR signal/DTR
                                                override is on

    TR        Green         Off        Modem is not receiving DTR signal

    OH1       Green          On               Line 1 is off-hook

    OH1       Green         Off                Line 1 is on-hook

    OH2       Green          On               Line 2 is off-hook

    OH2       Green         Off                Line2 is on-hook

  TST/NMS      Red           On            Loopback test in progress

  TST/NMS     Green          On           Modem controlled by Network
                                               Management System

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, A/

  E, F, M, O, P, T, V, W, X, Y, Z

  &G, &P, &T, &W, &X, &Y, &Z

                          Extended AT command set

  \A, \B, \C, \G, \K, \T, \V, \X

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S22,
  S25, S26



  Note: See MHI Help File for full command documentation.

                         PROPRIETARY AT COMMAND SET

                                  ANSWER

  Type:          Immediate

  Format:        AT [cmds] A

  Description:   Enables answer mode, the modem goes off-hook

    Command                              Protocol

       A0        Connect to line as answer modem

       A1        Connect to line as originate modem

       A2        Connect to both lines as originate modem

                                ANSWER MODE

  Type:          Configuration

  Format:        AT [cmds] R [cmds]

  Description:   Allows modem to switch to answer mode after dialing

                            CLEAR TO SEND (CTS)

  Type:          Configuration

  Format:        AT [cmds] &Rn [cmds]

  Description:   Selects CTS options

    Command                                Mode

      &R0        Normal CTS mode

      &R1        CTS forced high.

      &R2        CTS follows DCD

      &R9        CTS equals RTS

                          COMMUNICATION PROTOCOLS

  Type:                  Configuration

  Format:                AT [cmds] Bn [cmds]

  Description:           Selects the communication protocol for data
                         calls

            Note: The B command allows the simultaneous selection of more
            than one suffix, enabling multiple protocols.

        Command                              Protocol

          B0             Auto selection

          B1             ITU-T V.21

          B2             Bell 103J

          B3             Bell 212A

          B5             V.22bis

          B11            V.32bis

          B12            V.34

                          CONFIGURATION PROFILES

  Type:          Immediate

  Format:        AT [cmds] &Vn [cmds]

  Description:   Displays active and stored configuration profiles

      &V0        Display received signal status

      &V1        Display active profile

                         DATA CARRIER DETECT (DCD)

  Type:          Configuration

  Format:        AT [cmds] &Cn [cmds]

  Description:   Selects whether the DCD option is enabled or disabled

    Command                              Function

      &C0        DCD enabled

      &C1        DCD enabled after carrier signal detected

      &C2        DCD goes off during disconnection

      &C3        DCD follows V.25bis recommendation

                           DATA SET READY (DSR)

  Type:          Configuration

  Format:        AT [cmds] &Sn [cmds]

  Description:   Selects DSR options

    Command                              Function

      &S0        DSR forced high

      &S1        DSR high only while modem is handshaking or connected

      &S2        DSR off for 5 seconds after disconnect

      &S3        DSR follows off-hook

                         DATA TERMINAL READY (DTR)

  Type:          Configuration

  Format:        AT [cmds] &Dn [cmds]

  Description:   Selects modem response to DTR

    Command                              Function

      &D0        DTR forced high

      &D1        DTR toggle causes online command mode

      &D2        Modem disconnects after losing DTR

      &D3        Resets when DTR turns off

                                   DIAL

  Type:                  Immediate

  Format:                AT [cmds] D<#> [cmds]

  Description:           Dials telephone number according to any
                         modifiers included in the string

  Note:                  Any combination of modifiers can be used to
                         produce the desired dial functions in sequence.

        Command                              Function

           Dn            Dial telephone number n

       Dn%passwd         Dial telephone number n and send password

        D[1] [2]         Dial two telephone numbers and modifiers

                               ERROR CONTROL

  Type:                Configuration

  Format:              AT [cmds] &Mn [cmds]

  Description:         Sets error control for connections at 1200bps and
                       higher

       Command                                Mode

         &M0           Asynchronous mode

         &M1           Synchronous connect mode and asynchronous off-line
                       command mode.

         &M2           Synchronous connect mode and asynchronous off-line
                       command mode and set DTR high.

         &M3           Synchronous connect mode

         &M4           Synchronous connect mode and V.25bis autodialer
                       with BISYNC protocol

         &M5           Synchronous connect mode and V.25bis autodialer
                       with SDLC protocol

         &M6           Synchronous connect mode and V.25bis asynchronous
                       off-line command mode.

                          FACTORY DEFAULT PROFILE

  Type:             Configuration

  Format:           AT [cmds] &F [cmds]

  Description:      Sets values in active profile to values found in the
                    default profile

     Command                              Function

       &F0          Factory profile 0

       &F1          Factory profile 1

       &F2          Factory profile 2

       &F3          Factory profile 3

       &F4          Factory profile 4

       &F5          Factory profile 5

       &F6          Factory profile 6

       &F7          Factory profile 7

                               HOOK CONTROL

  Type:          Immediate

  Format:        AT [cmds] Hn [cmds]

  Description:   Selects whether the modem is on-hook or off-hook

    Command                              Function

       H0        Modem commanded to go on-hook (hang-up)

       H1        Modem commanded to go off-hook (pick-up)

       H2        Normal hang up enabled

       H3        Fast hang up enabled

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Selects line type

    Command                             Line Type

      &L0        2-wire switched line

      &L1        2-wire leased line

      &L2        4-wire leased line

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports four digit product code

       I1        Reports CDC volume of EPROM

       I3        Reports product version number

       I4        Reports compatibility mode

       I5        Reports reason for disconnect

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] Qn [cmds]

  Description:   Enables modem to send result codes to the DTE

    Command                              Function

       Q0        Result code sending enabled

       Q1        Result code sending disabled

       Q2        Result code sending only in originate mode

                              SPEAKER VOLUME

  Type:          Configuration

  Format:        AT [cmds] Ln [cmds]

  Description:   Controls speaker volume

    Command                              Function

       L0        Low volume setting

       L1        Low volume setting

       L2        Medium volume setting

       L3        Highest volume setting



                          EXTENDED AT COMMAND SET

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Range:         1-255

  Unit:          20ms

  Description:   Sends break to modem

                              AT COMMAND SET

  Type:          Configuration

  Format:        AT [cmds] *NTn [cmds]

  Description:   Enables/disables AT command set.

    Command                              Function

      *NT0       AT command set disabled

      *NT1       AT command set enabled

                         AUTOMATIC RATE ADAPTATION

  Type:          Configuration

  Format:        AT [cmds] %Rn [cmds]

  Description:   Enables/disables automatic rate adaptation

    Command                              Function

      %R0        Automatic rate adaptation disabled

      %R1        Automatic rate adaptation enabled with low BER

      %R2        Automatic rate adaptation enabled with medium BER

      %R3        Automatic rate adaptation enabled with high BER

                                AUTOREDIAL

  Type:          Configuration

  Format:        AT [cmds] -Rn [cmds]

  Description:   Autoredials.

                 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Description:   Controls auto-retrain mode and fallback/fall-forward

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                          BILATERAL DIGITAL LOOP

  Type:          Configuration

  Format:        AT [cmds] *DGn [cmds]

  Description:   Enables/disables bilateral digital loop.

    Command                              Function

      *DG0       Disables bilateral digital loop

      *DG1       Enables bilateral digital loop

                                BREAK TYPE

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Description:   Configures action of break signal

    Command                              Function

      \K1        Send a break after de-storing data buffers

      \K2        Break sent immediately

      \K3        Buffered data sent before break signal

                                 BUSY MODE

  Type:          Configuration

  Format:        AT [cmds] :Un [cmds]

  Description:   Enable/disable busy mode.

    Command                              Function

      :U0        Busy mode disable

      :U3        Busy mode enable

                                 CALL BACK

  Type:          Configuration

  Format:        AT [cmds] \Sn [cmds]

  Description:   Enables/disables callback

    Command                              Function

      \S0        Callback enabled

      \S1        Callback disabled

                              CALL DISREGARD

  Type:          Configuration

  Format:        AT [cmds] *IC [cmds]

  Description:   Disregards incoming call.

                               CARRIER LOSS

  Type:          Configuration

  Format:        AT [cmds] -Pn [cmds]

  Description:   Sets disconnect due to carrier loss.

    Command                              Function

      -P0        Disconnect by rapid carrier loss (8 seconds)

      -P1        Disconnect by normal carrier loss (45 seconds)

                                  CHANNEL

  Type:          Configuration

  Format:        AT [cmds] -An [cmds]

  Description:   Selects transmission channel.

    Command                              Function

      -A0        ATX channel selected

      -A1        BTX channel selected

                           CLEARDOWN DISCONNECT

  Type:          Configuration

  Format:        AT [cmds] -Fn [cmds]

  Description:   Enable/disable cleardown disconnect.

    Command                              Function

      -F0        Cleardown disconnect disabled

      -F1        Cleardown disconnect enabled

                              CODED RESPONSE

  Type:          Configuration

  Format:        AT [cmds] *RCn [cmds]

  Description:   Selects coded response speed

    Command                              Function

      *RC0       15 - 4800bps; 18 - 9600bps

      *RC1       11 - 4800bps; 12 - 9600bps

                               COMMAND STATE

  Type:          Immediate

  Format:        AT [cmds] :Mn [cmds]

  Description:   Enable/disable command state.

    Command                              Function

      :M0        Command state disabled

      :M1        Command state enabled

                               COMMAND STATE

  Type:          Configuration

  Format:        AT [cmds] :Sn [cmds]

  Description:   Selects number of retrains.

    Command                              Function

      :S0        AT command compatible after reset

      :S1        V.25bis compatible after reset

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 or bilateral V.42bis compression enabled

      %C2        V.42bis on transmitted data enabled

      %C3        V.42bis on received data 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        Direct mode enabled

      \N2        Reliable mode enabled

      \N3        Auto-reliable mode enabled

      \N4        LAPM mode enabled

      \N5        LAPM or normal mode enabled

      \N6        LAPM or MNP mode enabled

      \N7        LAPM, MNP, or normal mode enabled

                       CONNECTION SPEED LOWER LIMIT

  Type:          Configuration

  Format:        AT [cmds] %L [cmds]

  Description:   Sets slowest allowed connection speed.

    Command                              Function

      %L0        Disabled

      %L1        Disabled

      %L2        Set minimum connect speed to 1200bps.

      %L3        Set minimum connect speed to 2400bps.

      %L4        Set minimum connect speed to 4800bps.

      %L5        Set minimum connect speed to 9600bps uncoded.

      %L6        Set minimum connect speed to 9600bps.

      %L7        Set minimum connect speed to 7200bps

      %L8        Set minimum connect speed to 12.0Kbps.

      %L9        Set minimum connect speed to 14.4Kbps.

      %L11       Set minimum connect speed to 16.8Kbps.

      %L12       Set minimum connect speed to 19.2Kbps.

      %L13       Set minimum connect speed to 21.6Kbps.

      %L14       Set minimum connect speed to 24Kbps.

      %L15       Set minimum connect speed to 26.4Kbps.

      %L16       Set minimum connect speed to 28.8Kbps.

      %L17       Set minimum connect speed to 31.2Kbps.

      %L18       Set minimum connect speed to 33.6Kbps.

                       CONNECTION SPEED UPPER LIMIT

  Type:          Configuration

  Format:        AT [cmds] %Bn [cmds]

  Description:   Sets fastest allowed connection speed.

    Command                              Function

      %B0        Use DTE speed.

      %B1        Set maximum connect speed to 300bps.

      %B2        Set maximum connect speed to 1200bps.

      %B3        Set maximum connect speed to 2400bps.

      %B4        Set maximum connect speed to 4800bps.

      %B5        Set maximum connect speed to 9600bps uncoded.

      %B6        Set maximum connect speed to 9600bps.

      %B7        Set maximum connect speed to 7200bps

      %B8        Set maximum connect speed to 12.0Kbps.

      %B9        Set maximum connect speed to 14.4Kbps.

      %B11       Set maximum connect speed to 16.8Kbps.

      %B12       Set maximum connect speed to 19.2Kbps.

      %B13       Set maximum connect speed to 21.6Kbps.

      %B14       Set maximum connect speed to 24Kbps.

      %B15       Set maximum connect speed to 26.4Kbps.

      %B16       Set maximum connect speed to 28.8Kbps.

      %B17       Set maximum connect speed to 31.2Kbps.

      %B18       Set maximum connect speed to 33.6Kbps.

                       CONNECTION SPEED UPPER LIMIT

  Type:          Configuration

  Format:        AT [cmds] :Bn [cmds]

  Description:   Sets fastest allowed connection speed.

    Command                              Function

      :B0        Use DTE speed.

      :B1        Set maximum connect speed to 300bps.

      :B2        Set maximum connect speed to 1200bps.

      :B3        Set maximum connect speed to 2400bps.

      :B4        Set maximum connect speed to 4800bps.

      :B5        Set maximum connect speed to 9600bps uncoded.

      :B6        Set maximum connect speed to 9600bps.

      :B7        Set maximum connect speed to 7200bps

      :B8        Set maximum connect speed to 12.0Kbps.

      :B9        Set maximum connect speed to 14.4Kbps.

      :B11       Set maximum connect speed to 16.8Kbps.

      :B12       Set maximum connect speed to 19.2Kbps.

      :B13       Set maximum connect speed to 21.6Kbps.

      :B14       Set maximum connect speed to 24Kbps.

      :B15       Set maximum connect speed to 26.4Kbps.

      :B16       Set maximum connect speed to 28.8Kbps.

      :B17       Set maximum connect speed to 31.2Kbps.

      :B18       Set maximum connect speed to 33.6Kbps.

                            CT108 FUNCTION DTR

  Type:          Immediate

  Format:        AT [cmds] :Dn [cmds]

  Description:   Selects CT108 function DTR.

    Command                              Function

      :D0        CT108/2

      :D1        CT108/1

                            CT108 FUNCTION DTR

  Type:          Immediate

  Format:        AT [cmds] :Dn [cmds]

  Description:   Selects CT108 function DTR.

    Command                              Function

      :D0        CT108/2

      :D1        CT108/1

                              DATA MODUALTION

  Type:          Configuration

  Format:        AT [cmds] *MMn [cmds]

  Description:   Selects data modulation protocol

    Command                              Function

      *MM0       Automatic modulation selection

      *MM1       ITU-T V.21

      *MM2       Bell 103J

      *MM3       Bell 212A

      *MM5       ITU-T V.22bis

     *MM11       ITU-T V.32bis

     *MM12       ITU-T V.34

                          DATA RATE SELECT SIGNAL

  Type:          Configuration

  Format:        AT [cmds] *FBn [cmds]

  Description:   Selects signal response.

    Command                              Function

      *FB0       Ignores data rate select signal

      *FB1       Signal transition causes DTE speed fallback

                         DIAL ON MANUAL CONNECTION

  Type:          Configuration

  Format:        AT [cmds] %Mn [cmds]

  Description:   Dial on manual connection enable/disable

    Command                              Function

      %M0        Dial on manual connection disabled

      %M1        Dial on manual connection enabled

                            DIAL STORED NUMBER

  Type:                  Configuration

  Format:                AT [cmds] *Aun [cmds]

  Range:                 0-9

  Description:           Dials number stored at location n when modem is
                         in command state and the DTR signal transitions.

                          DIAL TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] *TDn [cmds]

  Range:         9-30

  Unit:          -1dBm

  Description:   Sets transmission level

                                DISCONNECT

  Type:          Configuration

  Format:        AT [cmds] -Hn [cmds]

  Description:   Enable/disable cleardown disconnect.

    Command                              Function

      -H0        Disconnect by data and DCD loss disabled

      -H1        Disconnect by carrier loss disabled

      -H2        Disconnect by 4 minute data loss enabled

      -H3        Disconnect by DCD and data loss enabled

                          DISCONNECT BUFFER DELAY

  Type:           Configuration

  Format:         AT [cmds] %D [cmds]

  Range:          0-255

  Unit:           1 second

  Description:    Sets disconnect buffer delay; %D0 will disable this
                  function.

                                 DTE SPEED

  Type:          Configuration

  Format:        AT [cmds] -Un [cmds]

  Range:         1200-46800

  Unit:          1bps

  Description:   Sets DTE speed

                                FAST TRAIN

  Type:          Configuration

  Format:        AT [cmds] *FTn [cmds]

  Description:   Enables/disables fast train.

    Command                              Function

      *FT0       Fast train disabled

      *FT1       Fast train enabled

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Sets type of flow control used by modem

    Command                              Function

      \Q0        DTE flow control disabled

      \Q1        DTE bi-directional XON/XOFF flow control enabled

      \Q2        CTS flow control by DCE enabled

      \Q3        Bi-directional RTS/CTS flow control enabled

      \Q4        DCE flow control disabled

      \Q5        Unidirectional XON/XOFF flow control by DCE enabled

      \Q6        CTS flow control to DTE enabled

      \Q7        CTS flow control to DTE disabled

                              INTERFACE SPEED

  Type:          Configuration

  Format:        AT [cmds] -Vn [cmds]

  Description:   Enable/disable interface speed.

    Command                              Function

      -V0        Interface speed disabled

      -V1        Interface speed enabled

                       LAPM DETECTI0N PHASE CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Mn [cmds]

  Description:   Enables/disables LMNP detection phase control

    Command                              Function

      \M0        LAPM detection phase control disabled

      \M1        LAPM detection phase control enabled

                                LEASED LINE

  Type:          Configuration

  Format:        AT [cmds] *LB [cmds]

  Description:   Return to leased line from dial backup.

                      LEASED LINE TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] *TLn [cmds]

  Range:         9-30

  Unit:          -1dBm

  Description:   Sets transmission level

                          LIN CURRENT DISCONNECT

  Type:          Configuration

  Format:        AT [cmds] *LCn [cmds]

  Description:   Selects length of disconnect.

    Command                              Function

      *LC0       Line current disconnect disabled

      *LC1       Short (8ms) disconnect enabled

      *LC2       Long (90ms) disconnect enabled

                       LOCAL ANALOG LOOPBACK SIGNAL

  Type:          Configuration

  Format:        AT [cmds] *Lan [cmds]

  Description:   Selects signal response.

    Command                              Function

      *LA0       Ignores local analog loopback signal

      *LA1       DTE commanded local analog loopback

                                 LOOPBACKS

  Type:          Configuration

  Format:        AT [cmds] -In [cmds]

  Description:   Enable/disable loopbacks.

    Command                              Function

      -I0        Interface loopbacks disabled

      -I1        CT141 - LAL enabled

      -I2        CT140 - RDL enabled

      -I3        CT140, CT141 enabled

      -I4        CT140 with inverted polarity enabled

      -I5        CT140 with inverted polarity, CT141 enabled

                            MONITOR LEASED LINE

  Type:          Configuration

  Format:        AT [cmds] :Tn [cmds]

  Description:   Selects time in minutes that leased line is monitored.

    Command                              Function

      :T0        5 minutes

      :T1        15 minutes

      :T2        30 minutes

      :T3        60 minutes

                                  OPTIONS

  Type:          Configuration

  Format:        AT [cmds] *Ron [cmds]

  Description:   Restore/retain options.

    Command                              Function

      *RO0       Retains options at disconnect

      *RO1       Restores options at disconnect

                             ORIGINATE/ANSWER

  Type:          Configuration

  Format:        AT [cmds] *ORn [cmds]

  Description:   Selects originate of forced answer mode

    Command                              Function

      *OR0       Originate mode

      *OR1       Answer mode

                                 PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %P [cmds]

  Description:   Programs, displays and clears password

    Command                              Function

   %P=passwd     Programs remote configuration password

      %P?        Reports remote configuration password of local modem

   %P=(blank)    Clears password

                             RATE NEGOTIATION

  Type:          Configuration

  Format:        AT [cmds] *RR [cmds]

  Description:   Sets negotiation speed.

    Command                              Function

      *RR0       Set negotiation speed to 2400bps.

      *RR1       Set negotiation speed to 4800bps.

      *RR2       Set negotiation speed to 7200bps.

      *RR3       Set negotiation speed to 9600bps

      *RR4       Set negotiation speed to 12.0Kbps.

      *RR5       Set negotiation speed to 14.4Kbps.

      *RR6       Set negotiation speed to 16.8Kbps.

      *RR7       Set negotiation speed to 19.2Kbps.

      *RR8       Set negotiation speed to 21.6Kbps.

      *RR9       Set negotiation speed to 24Kbps.

     *RR10       Set negotiation speed to 26.4Kbps.

     *RR11       Set negotiation speed to 28.8Kbps.

     *RR12       Set negotiation speed to 31.2Kbps.

     *RR13       Set negotiation speed to 33.6Kbps.

                           REMOTE CONFIGURATION

  Type:          Configuration

  Format:        AT [cmds] %T [cmds]

  Description:   %T=passwd establishes remote password configuration

                          REMOTE LOOPBACK SIGNAL

  Type:          Configuration

  Format:        AT [cmds] *RDn [cmds]

  Description:   Selects signal response.

    Command                              Function

      *RD0       Ignores remote loopback signal

      *RD1       DTE commanded remote loopback

                                REPEAT DIAL

  Type:          Configuration

  Format:        AT [cmds] -Dn [cmds]

  Description:   Repeat dial of number n up to 10 attempts.

                           RETRAINS DIAL BACKUP

  Type:          Configuration

  Format:        AT [cmds] :Rn [cmds]

  Description:   Selects number of retrains.

    Command                              Function

      :R0        5 retrains in 4 minutes time

      :R1        10 retrains in 4 minutes time

      :R2        15 retrains in 4 minutes time

                           RETURN TO LEASED LINE

  Type:          Configuration

  Format:        AT [cmds] :Pn [cmds]

  Description:   Enable/disable return to leased line.

    Command                              Function

      :P0        Return to leased line disabled

      :P1        Return to leased line enabled

                              RING INDICATION

  Type:          Configuration

  Format:        AT [cmds] \Rn [cmds]

  Description:   Sets ring indicator

    Command                              Function

      \R0        Blinks for rings and stays on for duration of call

      \R1        Blinks for ring and turns off when call is answered

                             SOFTWARE VERSION

  Type:          Configuration

  Format:        AT [cmds] %Vn [cmds]

  Description:   Displays software version

                              SPEED VARIATION

  Type:          Configuration

  Format:        AT [cmds] %On [cmds]

  Description:   Determines the speed variation tolerated by modem

    Command                              Function

      %O0        Normal speed (-2.5% to 1%)

      %O1        Extended speed (-2.5% to 2.3%)

                               STORE NUMBER

  Type:               Configuration

  Format:             AT [cmds] *CNx,n [cmds]

  Range: (location)   0-20

  Description:        Dials number stored at location n in location x.

                           STORED NUMBER DISPLAY

  Type:          Configuration

  Format:        AT [cmds] *ND [cmds]

  Description:   Displays the nine stored telephone numbers.

                              TALK/DATA MODE

  Type:          Configuration

  Format:        AT [cmds] *Dan [cmds]

  Description:   Selects talk or data mode.

    Command                              Function

      *DA0       Talk mode

      *DA1       Data mode

                 TRANSMIT CHANNEL SELECTION VIA INTERFACE

  Type:          Configuration

  Format:        AT [cmds] -Xn [cmds]

  Description:   Enable/disable transmit channel selection via interface.

    Command                              Function

      -X0        Transmit channel selection via interface disabled

      -X1        Transmit channel selection via interface enabled

                             V.25BIS PROTOCOL

  Type:          Configuration

  Format:        AT [cmds] :On [cmds]

  Description:   Byte-oriented/bit-oriented protocol.

    Command                              Function

      :O0        Byte-oriented protocol

      :O1        Bit enabled protocol

                          V.34 ASYMMETRIC SPEEDS

  Type:          Configuration

  Format:        AT [cmds] *Asn [cmds]

  Description:   Enables/disables V.34 asymmetric speeds.

    Command                              Function

      *AS0       V.34 asymmetric speeds disabled

      *AS1       V.34 asymmetric speeds enabled

                         V.34 ASYMMETRICAL SPEEDS

  Type:          Configuration

  Format:        AT [cmds] -Wn [cmds]

  Description:   Enable/disable interface speed.

    Command                              Function

      -W0        Asymmetrical speeds disabled

      -W1        Asymmetrical speeds enabled

                                V.34 SPEED

  Type:          Configuration

  Format:        AT [cmds] -Nn [cmds]

  Description:   Selects V.34 speeds.

    Command                              Function

      -N0        High speeds for V.34 operation enabled

      -N1        All speeds for V.34 operation enabled

                            S(STATUS) -REGISTERS



                          BIT-MAPPED REGISTER S14

  Format:             AT [cmds] S14=n [cmds]

  Range:              0-255

  Unit:               Bit-mapped

  Description:        Controls echo, result codes and display, dial mode,
                      and answer/originate mode.

   Bit       Value                         Function

    0              0  DCE speed

                  1   DTE speed

    1              0  Command echo disabled

                  1   Command echo enabled

    2              0  Result codes enabled

                  1   Result codes disabled

    3              0  Display result codes in numeric format

                  1   Display result codes in verbose format

    4              0  Ignore response messages

                  1   Originate mode only

    5              0  Tone dial enabled

                  1   Pulse dial enabled

    6              0  Normal hang up

                  1   Not used

    7           0 1   Answer mode enabled

                      Originate mode enabled

                          BIT-MAPPED REGISTER S15

  Format:          AT [cmds] S15=n [cmds]

  Unit:            Bit-mapped

  Range:           0-255

  Description:     Controls transmit level, dial backup, and parity.

   Bit    Value                           Function

    0         0    Reserved

  3,2,1      000   0dBm transmit level

             001   -3dBm transmit level

             010   -6dBm transmit level

             011   -9dBm transmit level

             100   -12dBm transmit level

             101   -15dBm transmit level

             110   -18dBm transmit level

            111    -21dBm transmit level

   5,4        00   Even asynchronous V.25bis parity

              01   Space asynchronous V.25bis parity

              10   Odd asynchronous V.25bis parity

             11    Mark asynchronous V.25bis parity

   7,6        0    Reserved

                          BIT-MAPPED REGISTER S19

  Format:          AT [cmds] S19=n [cmds]

  Range:           0-13

  Unit:            Bit-mapped

  Description:     Selects modulation type

   Bit    Value                           Function

   0-3      0000   Automode

            0001   V.21

            0010   B103

            0101   V.22

            1000   B212

            1011   V.32bis

           1100    V.34

   4-7        0    Reserved

                          BIT-MAPPED REGISTER S22

  Format                 AT [cmds] S22=n [cmds]

  Range:                 0-255

  Unit:                  Bit-mapped

  Description:           Controls speaker volume and controls, limits
                         results codes, and pulse dial make/break ratio.

    Bit       Value                          Function

   1, 0             00   Minimum volume

                    01   Low level volume

                    10   Medium level volume

                   11    High level volume

   3, 2             00   Speaker off

                    01   Speaker on until 2100Hz received

                    10   Speaker always on

                   11    Speaker on during handshake

   6 - 4           000   Basic result codes only enabled

                   100   Basic and connection speed result codes enabled

                   101   Basic and connection speed result codes and
                         dialtone detection enabled
                   110
                         All result codes except dialtone detection
                  111    enabled

                         All result codes enabled

     7               0   39/61ms at 10pps (North America)

                    1    33/67ms at 10pps (Europe)

                          BIT-MAPPED REGISTER S23

  Format                AT [cmds] S23=n [cmds]

  Range:                0-255

  Unit:                 Bit-mapped

  Description:          Grants/denies remote digital loopback, controls
                        DTE rate and parity, and sets guard tone.

    Bit       Value                         Function

     0              0   Remote digital loopback denied

                   1    Remote digital loopback allowed

     1              0   V.25 VAL enabled

                   1    V.25 VAL disabled

     2              0   Echo control while online enabled

                   1    Echo control while online disabled

     3              0   CTS does not follow DCD

                   1    CTS follows DCD

   5, 4            00   Parity even

                   01   Space Parity

                   10   Parity odd

                  11    Mark or No Parity

   7, 6            00   Guard tone disabled

                   01   Guard tone 550Hz enabled

                  10    Guard tone 1800Hz enabled

                          BIT-MAPPED REGISTER S27

  Format           AT [cmds] S27=n [cmds]

  Unit:            Bit-mapped

  Description:     Selects line type, clock source, and dial up.

   Bit    Value                           Function

  1, 0       00    Reserved

   3,2        00   Switched line

              01   2-wire leased line

             11    4-wire leased line

  5, 4        00   Local modem generates transmit clock source

              01   Local DTE generates transmit clock source

             10    Remote DCE/DTE generates transmit clock source

    6         0    Not used

    7          0   Dial on manual connection disabled

              1    Dial on manual connection enabled

                          BIT-MAPPED REGISTER S29

  Format           AT [cmds] S29=n [cmds]

  Range:           0-128

  Unit:            Bit-mapped

  Description:     Selects DTE speed.

   Bit    Value                           Function

   0-4     00000   DTE speed disabled

           00100   1200bps

           00101   2400bps

           00110   4800bps

           00111   7200bps

           01000   9600bps

           01001   12.0Kbps

           01010   14.4Kbps

           01011   16.8Kbps

           01100   19.2Kbps

           01101   21.6Kbps

           01110   24.0Kbps

           01111   26.4Kbps

           10000   28.8Kbps

           10001   31.2Kbps

           10010   33.6Kbps

           10011   38.4Kbps

           10100   57.6Kbps

           10101   115.2Kbps

           10110   230.4Kbps

          10111    460.8Kbps

   5-7        0    Reserved

                          BIT-MAPPED REGISTER S80

  Format            AT [cmds] S80=n [cmds]

  Unit:             Bit-mapped

  Description:      Selects speed variation tolerance, and asynchronous
                    character size.

   Bit     Value                          Function

  01,2         0    Reserved

    3           0   Normal speed (-2.5% - 1%)

               1    Extended speed (-2.5% - 2.3%)

    4           0   Return to leased line disabled

               1    Return to leased line enabled

    5          0    Reserved

   7,6         00   Asynchronous character 8bits

               01   Asynchronous character 9bits

               10   Asynchronous character 10bits

              11    Asynchronous character 11bits

                          BIT-MAPPED REGISTER S81

  Format           AT [cmds] S81=n [cmds]

  Unit:            Bit-mapped

  Range:           0-255

  Description:     Selects block size, buffer mode, break treatment, V.42
                   detect.

   Bit    Value                           Function

   1,0        00   Block size 64 characters

              01   Block size 128 characters

              10   Block size 192 characters

             11    Block size 256 characters

   2,3        00   Normal mode buffer disabled

              01   Buffer for 200 characters

             10    Break fallback enabled

    3          0   Normal speed (-2.5% - 1%)

              1    Extended speed (-2.5% - 2.3%)

  6,5,4      001   Send break treatment after buffer is empty

             011   Send break treatment immediately

            101    Send break sequence with data

   7,6        00   V.42 detect phase disabled

             01    V.42 detect phase disabled

                          BIT-MAPPED REGISTER S82

  Format             AT [cmds] S82=n [cmds]

  Unit:              Bit-mapped

  Range:             0-255

  Description:       Selects flow control, connect message, pass through,
                     and data compression.

   Bit      Value                          Function

  2,1,0         000  Flow control disabled

                001  Bilateral XON/XOFF flow control

                010  Unilateral CTS

                011  Bilateral RTS/CTS

               100   Bilateral XON/XOFF

    3             0  No protocol

                 1   Indicate MNP or LAPM protocol

    4             0  Pass through disabled

                 1   Pass through enabled

   6,5           00  Data compression disabled

                 01  TX and RX data compression enabled

                 10  TX data compression enabled

                11   Rx data compression enabled

    7             0  AKA enabled

                 1   AKA disabled

                          BIT-MAPPED REGISTER S83

  Format           AT [cmds] S83=n [cmds]

  Unit:            Bit-mapped

  Description:     Selects DCD detection, dialup disconnect, digital
                   loopback .

   Bit    Value                           Function

   0,1       00    Reserved

    2          0   DCD at -43dB

              1    DCD at -33dB

   4,3        00   Dialup line disconnect disabled

              01   Dialup line disconnect by carrier loss

              10   Dialup line disconnect by data loss

             11    Dialup line disconnect by carrier and data loss

  7,6,5      000   Digital interface loopbacks disabled

             001   CT141 - LAL enabled

             010   CT140 - RDL enabled

             011   CT140 and CT141 enabled

             100   CT140/enabled

            101    CT140/ and CT141 enabled

                          BIT-MAPPED REGISTER S84

  Format           AT [cmds] S84=n [cmds]

  Unit:            Bit-mapped

  Description:     Selects simulated carrier, transmit level, channel
                   interface .

   Bit    Value                           Function

    0          0   Simulated carrier disabled

              1    Simulated carrier enabled

   2,1        0    reserved

  5,4,3      000   0dBm transmit level

               :   :

               :   :

            111    -21dBm transmit level

    6          0   Flow control between modems enabled

              1    Flow control between modems disabled

    7          0   Interface channel select disabled (CT126)

              1    Interface channel select enabled (CT126)

                          BIT-MAPPED REGISTER S85

  Format           AT [cmds] S85=n [cmds]

  Unit:            Bit-mapped

  Range:           0-255

  Description:     Selects V.25, ring indicator, busy mode.

   Bit    Value                           Function

    0          0   V.25 in ASCII

              1    V.25 in EBCDIC

    1          0   Blinks while dialing and stays on

              1    Blinks while dialing and turns off when answered

    2         0    Reserved

    3          0   V.8 disabled for non V.34 answer

              1    V.8 enabled for V.34 answer

    4          0   Interface speed (CT111) disabled

              1    Interface speed (CT111) enabled

    5          0   CT108/2

              1    CT108/3

    6          0   Fast disconnect by DCD loss (5 seconds)

              1    Slow disconnect by DCD loss (45 seconds)

    7          0   Busy mode disabled

              1    Busy mode enabled

                          BIT-MAPPED REGISTER S86

  Format                 AT [cmds] S86=n [cmds]

  Unit:                  Bit-mapped

  Description:           Sets remote disconnect, rate adaptation, auto
                         retrain, small block, character length and stop
                         bits.

    Bit       Value                          Function

     0                0  Remote disconnect disabled

                     1   Cleardown

     1                0  Auto-redial disabled

                     1   Auto-redial enabled

    2,3              00  Automatic rate adaptation disabled

                     01  Automatic rate adaptation enabled with low BER

                     10  Automatic rate adaptation enabled with medium
                         BER
                    11
                         Automatic rate adaptation enabled with high BER

     4                0  Auto retrain disabled

                     1   Auto retrain enabled

     5                0  Small block off

                     1   Small block on

     6                0  Character length 7 bits

                     1   Character length 8 bits

     7                0  1 stop bit

                     1   2 stop bits

                          BIT-MAPPED REGISTER S87

  Format           AT [cmds] S87=n [cmds]

  Unit:            Bit-mapped

  Range:           0-255

  Description:     Selects protocol and command state.

   Bit    Value                           Function

  2,1,0      000   Normal mode

             001   Direct mode

             010   MNP mode

             011   MNP or normal mode

             100   LAPM mode

             101   LAPM or normal mode

             110   LAPM or MNP mode

            111    LAPM, MNP, or normal mode

    3          0   DTR dial disabled

              1    DTR dial enabled

   5,4        00   Display negotiation disabled

              01   Display negotiation enabled

             10    Displays at DCE link rate

    6          0   AT command state

              1    V.25bis command state

    7          0   Command state disable

              1    Command state enable

                         BIT-MAPPED REGISTER S90-

  Format           AT [cmds] S90=n [cmds]

  Unit:            Bit-mapped

  Range:           8-255

  Description:     Enables modem speed.

   Bit    Value                           Function

  2,1,0       0    Reserved

    3         1    1200bps

    4         1    2400bps

    5         1    4800bps

    6         1    7200bps

    7         1    9600bps

                         BIT-MAPPED REGISTER S91-

  Format           AT [cmds] S91=n [cmds]

  Unit:            Bit-mapped

  Range:           0-255

  Description:     Enables modem speed.

   Bit    Value                           Function

    0         1    12.0Kbps

    1         1    14.4Kbps

    2         1    16.8Kbps

    3         1    19.2Kbps

    4         1    21.6Kbps

    5         1    24.0Kbps

    6         1    26.4Kbps

    7         1    28.8Kbps

                         BIT-MAPPED REGISTER S92-

  Format           AT [cmds] S91=n [cmds]

  Unit:            Bit-mapped

  Description:     Enables modem speed.

   Bit    Value                           Function

    0         1    31.2Kbps

    1         1    33.6Kbps

   2-7        0    Reserved

                         BIT-MAPPED REGISTER S94-

  Format           AT [cmds] S94=n [cmds]

  Unit:            Bit-mapped

  Range:           0-255

  Description:     Sets network management system parameters.

   Bit    Value                           Function

   4-0     00000   Address line 0

           00001   Address line 1

               :   :

               :   :

           11110   Address line 30

          11111    Address line 31

   6,5        00   Bus speed at 1200bps

              01   Bus speed at 2400bps

              10   Bus speed at 4800bps

             11    Bus speed at 9600bps

    7          0   NMS capacity disabled

              1    NMS capacity enabled

                         BIT-MAPPED REGISTER S95-

  Format           AT [cmds] S95=n [cmds]

  Unit:            Bit-mapped

  Description:     Selects callback, caller ID, auto baud and number code
                   functions.

   Bit     Value                          Function

  0,1,2        0   Reserved

    3           0  Call back disabled

               1   Call back enabled

    4           0  Caller ID detection disabled

               1   Caller ID detection enabled

    5           0  L1 disconnect L2 off

               1   L1 disconnect L2 on

    6           0  Auto baud disabled

               1   Auto baud enabled

    7           0  Standard (15 - 4800bps, 18 - 9600bps)

               1   Alternative (15 - 4800bps, 18 - 9600bps)

                         BIT-MAPPED REGISTER S96-

  Format           AT [cmds] S96=n [cmds]

  Unit:            Bit-mapped

  Description:     Sets speed options, storing options, line transmission
                   level.

   Bit    Value                           Function

    0          0   V.34 only for high speeds

              1    V.34 for all speeds

    1          0   Call waiting off

              1    Call waiting on

    2          0   Asymmetrical speed option disabled

              1    Asymmetrical speed option enabled

    3          0   Store option when disconnect

              1    Reset option when disconnect

   5,4        00   Switched line TX level at -1dB

              01   Switched line TX level at -2dB

             10    Switched line TX level at -3dB

    7         00   Leased line TX level at -1dB

              01   Leased line TX level at -2dB

             10    Leased line TX level at -3dB

                               BREAK LENGTH

  Type:          Register

  Format:        AT [cmds] S30=n [cmds]

  Range:         0-255

  Unit:          20ms

  Description:   Determines the break length sent to the DTE

                              CALLBACK DELAY

  Type:          Register

  Format:        AT [cmds] S32=n [cmds]

  Range:         0-255

  Unit:          Unidentified

  Description:   Sets the callback delay

                             CALLBACK RETRIES

  Type:          Register

  Format:        AT [cmds] S33=n [cmds]

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the number of callback retries

                          DISCONNECT BUFFER DELAY

  Type:                  Register

  Format                 AT [cmds] S39=n [cmds]

  Range:                 0-255

  Unit:                  1 second

  Description:           Sets maximum duration allowed during buffered
                         data calls for modem to perform clearing
                         functions after losing carrier-signal or
                         receiving a clear call signal from the remote
                         modem and before initiating hang-up process. A
                         value of 255 allows an indefinite amount of time
                         to send buffered data prior to hanging-up.

                  FLOW CONTROL CHARACTER - XOFF FROM DTE

  Type:          Register

  Format:        AT [cmds] S37=n [cmds]

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF

                   FLOW CONTROL CHARACTER - XOFF TO DTE

  Type:          Register

  Format:        AT [cmds] S35=n [cmds]

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF to DTE

                   FLOW CONTROL CHARACTER - XON FROM DTE

  Type:          Register

  Format:        AT [cmds] S36=n [cmds]

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character used to represent XON to DTE



                    FLOW CONTROL CHARACTER - XON TO DTE

  Type:          Register

  Format:        AT [cmds] S34=n [cmds]

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character used to represent XON to DTE

                             INACTIVITY TIMER

  Type:                  Register

  Format                 AT [cmds] S38=n [cmds]

  Range:                 0-255

  Unit:                  10 seconds

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

            Note: S38=0 disables the timer and allows indefinite
            inactivity.

                                 LOOKBACK

  Type:                   Register

  Format                  AT [cmds] S13=n [cmds]

  Range:                  0-255

  Unit:                   1 minute

  Description:            Selects the amount of time modem will remain in
                          dial backup mode before retrying leased line
                          mode

            Note: S13=0 disables automatic lookback to leased line.

                           NORMAL MODE FALLBACK

  Type:          Register

  Format         AT [cmds] S88=n [cmds]

  Range:         0-127

  Unit:          ANCII

  Description:   Sets fallback character for normal mode.

                              OPERATING MODES

  Type:            Register

  Format:          AT [cmds] S21=n [cmds]

  Unit:            Bit-mapped

  Description:     Controls modem operating mode, disconnect

   Bit    Value                           Function

   6,0        00   DSR always on

              01   DSR on when modem is online

              10   DSR off 5 seconds after disconnect

             11    DSR follows off-hook

   5,1        00   DCD always on

              01   DCD on when carrier is present

              10   DCD on except 5 second after disconnect

             11    DCD follows remote RTS

    2          0   CTS follows RTS by S26 delay

              1    CTS always on

   4,3        00   Ignores DTR

              01   Assumes command mode when DTR turns off

              10   Hangs up when DTR turns off

             11    Resets when DTR turns off

    7          0   Long space disconnect disabled

              1    Long space disconnect enabled

                        TIME ABSENCE DISCONNECTION

  Type:                  Register

  Format                 AT [cmds] S97=n [cmds]

  Range:                 0-255

  Unit:                  Unidentified

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

                             TIMEOUT PASSWORD

  Type:          Register

  Format:        AT [cmds] S31=n [cmds]

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the callback password

