
SILICOM MULTIMEDIA SYSTEMS, INC.

MODEM MASTER 6000

Card Type                    Modem
Chip Set                     Unidentified
Maximum Modem Rate           33.6Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.32ter, V.32bis,
                             V.34, V.34bis
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    I
Data Bus                     8-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Line out (RJ-11)             CN1     Line in (RJ-11)              CN2

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, A/

  A, E, H, M, O, P, Q, T, V, W, X, Y, Z

  &C, &F, &G, &P, &R, &W, &Y, &Z

                           Extended AT Commands

  \A, \B, \G, \K, \L, \N

  %C, %Q

                                S Registers

  S0, S1, S2, S3, S4, S6, S7, S8, S9, S10, S11, S12, S18, S25,S30, S32,
  S33, S38, S91

  Note:

  See MHI Help File for full command documentation.

PROPRIETARY AT COMMAND SET

                            AUTO-MODE DETECTION

  Type:                  Configuration

  Format:                AT [cmds] N n [cmds]

  Description:           Selects various options for the automatic
                         detection and negotiation of protocols during
                         the handshake process if the modem is
                         communicating with a remote modem of dissimilar
                         speed.

        Command                              Function

          N0             Auto-mode detection disabled. Handshake begins
                         at line speed designated by the S37 register. If
                         S37=0 handshake follows interface speed

          N1             Auto-mode detection enabled. Handshake begins at
                         line speed designated by the S37 register. If
                         S37=0 handshake at highest possible speed with
                         fallback to lower speed if necessary

                          COMMUNICATION PROTOCOLS

  Type:                  Configuration

  Format:                AT [cmds] B n [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             ITU-T V.22 at 1200bps

          B1             Bell 212A at 1200bps

          B2             ITU-T V.23 at 75/1200bps in originate mode,
                         1200/75bps in answer mode

                          CONFIGURATION PROFILES

  Type:          Immediate

  Format:        AT [cmds] &V [cmds]

  Description:   Displays active and stored configuration profiles

    Command                              Function

      &V0        Display active profile

      &V1        Display stored profile

      &V2        Display stored telephone numbers

                           DATA SET READY (DSR)

  Type:                      Configuration

      Format:                AT [cmds] &S n [cmds]

      Description:           Selects DSR options

            Command                            Function

             &S0            DSR forced high

              &S1            DSR high only while modem is handshaking or
                             connected

                         DATA TERMINAL READY (DTR)

  Type:                      Configuration

      Format:                AT [cmds] &D n [cmds]

      Description:           Selects modem response to DTR

            Command                            Function

             &D0            Modem does not respond to DTR

              &D1            Modem goes to command mode on DTR toggle

              &D2            Modem goes to command mode and disconnects
                             (hangs up) on DTR toggle;

                             Auto-Answer is disabled on low DTR.

              &D3            Modem is initialized on DTR toggle

                                   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

           DL             Re-dial last number

          DS=n            Dial stored telephone number n

           DW             Dialing resumed following dial tone detection

           D,             Dialing paused for amount of time specified in
                          S8 register

           D!             Flash function initiated. Modem commanded to go
                          off-hook for specified time before returning
                          on-hook.

           D@             Wait for Quite Answer function enabled. Modem
                          waits until a "quiet answer," a ring-back
                          signal followed by silence up to the time
                          specified in S7, is received prior to executing
                          the rest of the dial string.

           D;             Modem returned to idle state after dialing. The
                          semicolon can only be placed at the end of the
                          dial command.

                               FLOW CONTROL

  Type:                      Configuration

      Format:                AT [cmds] &K n [cmds]

      Description:           Enables flow control options

            Command                            Function

              &K0            Flow control disabled

             &K3            RTS/CTS flow control enabled

              &K4            XON/XOFF flow control enabled

              &K5            Transparent XON/XOFF flow control enabled

              &K6            Both RTS/CTS & XON/XOFF flow control enabled

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] I n [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports product code

       I1        Reports hardware variation code

       I2        Reports internal code

       I3        Reports software revision number

       I4        Reports product feature listing

                              SPEAKER VOLUME

  Type:                      Configuration

      Format:                AT [cmds] L n [cmds]

      Description:           Controls speaker volume

            Command                            Function

               L0            Speaker disabled

              L1            Low volume setting

               L2            Low volume setting

               L3            Low volume setting

                                TEST MODES

  Type:          Immediate

  Format:        AT [cmds] &T n

  Description:   Selects test options

    Command                              Function

      &T0        End current test

      &T1        Begin local analog loopback test

                              TRELLIS CODING

  Type:                     Configuration

      Format:               AT [cmds] &U n [cmds]

      Description:          Enables/disables trellis coding

            Command                           Function

             &U0           V.32 trellis coding enabled

              &U1           V.32 trellis coding disabled

EXTENDED AT COMMANDS

                 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

  Type:                    Configuration

      Format:              AT [cmds] %E n [cmds]

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

           Command                            Function

             %E0           Auto-retrain disabled

             %E1           Auto-retrain enabled

            %E2           Auto-retrain and fallback enabled

             %E3           Auto-retrain and fast hang-up enabled

                            DYNAMIC CPU LOADING

  Type:                      Configuration

      Format:                AT [cmds] %N n [cmds]

      Description:           Selects dynamic CPU loading options

            Command                            Function

              %N0            Dynamic CPU loading disabled

              %N1            Dynamic CPU loading not to exceed 10%

              %N2            Dynamic CPU loading not to exceed 20%

              %N3            Dynamic CPU loading not to exceed 30%

              %N4            Dynamic CPU loading not to exceed 40%

              %N5            Dynamic CPU loading not to exceed 50%

              %N6            Dynamic CPU loading not to exceed 60%

             %N7            Dynamic CPU loading not to exceed 70%

              %N8            Dynamic CPU loading not to exceed 80%

              %N9            Dynamic CPU loading not to exceed 90%

SPECIAL COMMANDS

                         INVALID TIES RESULT CODE

  Type:                      Configuration

      Format:                AT [cmds] *Q n [cmds]

      Description:           Controls the result code sent when an
                             invalid TIES escape sequence is detected
                             after OK response has been sent

            Command                            Function

             *Q0            CONNECT xxxx result code sent when an
                             invalid TIES escape sequence is detected
                             after OK response has been sent

              *Q1            xxxx result code sent when an invalid TIES
                             escape sequence is detected after OK
                             response has been sent

S(STATUS) - REGISTERS

                         CONNECTION FAILURE CODES

  Type:               Register

  Format              AT [cmds] S86? [cmds]

  Description:        Reports codes which correspond to the possible
                      causes of a connection failure

       Value                                Meaning

         0            Normal hang up

         4            Carrier signal lost

         5            No error-control detected for remote modem during
                      feature negotiation

         6            Remote modem failed to respond to feature
                      negotiation

         9            No common protocol found

         12           No failure - remote modem disconnected normally

         13           Remote modem failed to respond after 10
                      re-transmissions same message

         14           Violation of negotiated protocol caused failure

         15           Loss of data compression caused failure

         20           Long Space Disconnect (Y1) time limit reached

                              DCE LINE SPEED

  Type:                Register

  Format               AT [cmds] S37= n [cmds]

  Description:         Sets the maximum allowable data exchange rate
                       attempted during handshake process.

       Command                              Function

        S37=0          Attempt to connect at highest possible speed

        S37=3          300bps

        S37=4          1200bps

        S37=6          2400bps

        S37=7          4800bps

        S37=8          7200bps

        S37=9          9600bps

       S37=10          12.0Kbps

       S37=11          14.4Kbps

       S37=12          V.34

                              V.34 BAUD RATE

  Type:          Register

  Format         AT [cmds] S35= n [cmds]

  Description:   Sets the maximum allowable baud rate for V.34
                 negotiation.

    Command                              Function

     S35=0       2400bps

     S35=1       2743bps

     S35=2       2800bps

     S35=3       3000bps

     S35=4       3200bps

     S35=5       3429bps

                               V.34 BIT RATE

  Type:              Register

  Format             AT [cmds] S34= n [cmds]

  Range (2400bps):   0 - 8

  Range (3000bps):   1 - 10

  Range (3200bps):   1 - 11

  Range (3429bps):   1 - 13

  Default:           13

  Bit Rate:          (S34 + 1) * 2400bps

  Description:       Sets maximum bit rate for V.34 negotiation

