
COMPAQ COMPUTER CORPORATION

NETELLIGENT 56K ISA FAX MODEM

Card Type                    Modem/Fax card
Chip Set                     Unidentified
I/O Options                  Line in, phone out
Maximum Modem Rate           56Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V34, V.32bis, V.32, V.22bis, V.23,
                             V.22, V.21
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29, V.21, EIA T-30
Error Correction/Compression MNP5, MNP10, V.42, V.42bis
Fax Class                    Class I
Data Bus                     16-bit ISA
Card Size                    Half-length

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Line out                        CN1       Phone in                CN2

                                PLUG & PLAY

        Setting            JP3/A    JP3/B     JP3/C     JP3/D     JP3/E

   Plug and play mode      Open      Open     Closed    Closed    Closed
        enabled

   Plug and play mode     Closed    Closed     Open               OOpen
  disabled/legacy mode
        enabled

  Note: When in plug & play mode, jumpers must be removed from JP1 and
  JP2.

                      SERIAL PORT ADDRESS

         Setting           JP1/A     JP1/B    JP1/C     JP1/D

       COM1 (3F8h)         Open      Open      Open     Closed

       COM2 (2F8h)         Open      Open     Closed    Open

       COM3 (3E8h)         Open      Closed    Open     Open

       COM4 (2E8h)         Closed    Open      Open     Open

                                        INTERRUPT

  Setting   JP2/A   JP2/B    JP2/C    JP2/D    JP2/E    JP2/F    JP2/G    JP2/H    JP2/I

   IRQ3     Closed   Open     Open     Open     Open    Open     Open     Open     Open

   IRQ4     Open    Closed    Open     Open     Open    Open     Open     Open     Open

   IRQ5     Open     Open    Closed    Open     Open    Open     Open     Open     Open

   IRQ7     Open     Open     Open    Closed    Open    Open     Open     Open     Open

   IRQ9     Open     Open     Open     Open    Closed   Open     Open     Open     Open

  IRQ10     Open     Open     Open     Open     Open    Closed   Open     Open     Open

  IRQ11     Open     Open     Open     Open     Open    Open     Closed   Open     Open

  IRQ12     Open     Open     Open     Open     Open    Open     Open     Closed   Open

  IRQ15     Open     Open     Open     Open     Open    Open     Open     Open     Closed

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, A/

  A, E, H, O, Q, R, V, W, Y, Z

  &C, &P, &V, &W, &Y

  \K, \N

                           Extended AT Commands

  %C, %E, %L

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18,
  S21, S22, S23, S24, S25

  S26, S27, S28, S29, S30, S31, S32, S33, S36, S38, S39, S40, S41, S46,
  S48, S82, S91, S92, S95



                             Special Commands

  +MS

  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports four digit product code

       I1        Reports ROM checksum

       I2        Reports results of RAM self test

       I3        Reports firmware revision level

       I4        Reports OEM-defined identifier string

       I5        Reports country code

       I6        Reports modem data pump model

                              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

                               SPEAKER MODE

  Type:          Configuration

  Format:        AT [cmds] Mn [cmds]

  Description:   Selects various speaker options

    Command                              Function

       M0        Speaker disabled

       M1        Speaker enabled until carrier signal detected

       M2        Speaker enabled

                            AUTO-MODE DETECTION

  Type:                  Configuration

  Format:                AT [cmds] Nn [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             Handshake begins at line speed designated by the
                         S37 register.

          N1             Handshake at any speed supported by both modems.

                     SELECT CALL PROGRESS RESULT CODES

  Type:               Configuration

  Format:             AT [cmds] Xn [cmds]

  Description:        Enables selection of tone detection and associated
                      result code format options

      Command                              Function

         X0           Busy tone detection disabled; result codes 0 - 5
                      enabled.

         X1           Busy tone detection disabled; result codes 0 - 6
                      enabled.

         X2           Busy tone detection disabled,; result codes 0 - 8
                      enabled

         X3           Busy tone detection enabled; result codes 0-8
                      enabled

         X4           Busy tone detection enabled; sends all messages.

                                     DATA TERMINAL READY (DTR)

  Type:                     Configuration

  Format:                   AT [cmds] &Dn [cmds]

  Description:              Selects modem response to DTR

            Note: The action each variant of &D causes depends on the setting of &Q

        &Q Setting                &D0               &D1              &D2                &D3

       &Q0, &Q5, &Q6              NONE           Command 2        Command 3          Command 4

         &Q1, &Q4              Command 1         Command 2        Command 3          Command 4

         &Q2, &Q3              Command 3         Command 3        Command 3          Command 3

          Command                                          Function

         Command 0          Modem does not respond to DTR

         Command 1          Modem goes to command mode after DTR goes is off

         Command 2          Modem goes to command mode and disconnects (hangs up) after DTR goes
                            off; Auto-Answer is disabled.

         Command 3          Modem is initialized after DTR goes off

                          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          Sets values to factory configuration 0

       &F1          Sets values to factory configuration 1

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Kn [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        Unidirectional XON/XOFF flow control enabled

                            COMMUNICATIONS MODE

  Type:           Configuration

  Format:         AT [cmds] &Qn [cmds]

  Description:    Selects communications mode options

    Command                                Mode

      &Q0         Asynchronous mode, serial port speed follows connect
                  speed.

      &Q5         Error correction mode

      &Q6         Buffered asynchronous mode

                               RECEIVE DATA

  Type:          Configuration

  Format:        AT [cmds] &Rn [cmds]

  Description:   Selects RTS options

    Command                              Function

      &R0        Not supported

      &R1        CTS will drop if required by flow control

                           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

                                TEST MODES

  Type:          Immediate

  Format:        AT [cmds] &Tn

  Description:   Selects test options

    Command                              Function

      &T0        End current test

      &T1        Begin local analog loopback test

      &T4        Grant remote digital loopback request

      &T5        Deny remote digital loopback request

      &T6        Request remote digital loopback

      &T7        Request remote digital loopback and self-test

      &T8        Begin local analog loopback and self-test

                          STORE TELEPHONE NUMBER

  Type:               Configuration

  Format:             AT [cmds] &Zn=(phone #)

  Description:        Writes selected telephone numbers into the
                      non-volatile memory at location n

            Note: Telephone numbers can include up to 34 characters.

                            EXTENDED AT COMMANDS

                                BREAK TYPE

  Type:                     Configuration

  Format:                   AT [cmds] \Kn [cmds]

  Description:              Configures action of break signal

     Command        Break from DTE      Break received     Break from DTE
                   during NORMAL or    from remote modem    during DIRECT
                       MNP mode       during NORMAL mode        mode

       \K0         Online command     Buffers cleared,     Send break to
                   mode enabled,      break sent to DTE    remote modem,
                   send no break to                        online command
                   remote modem                            mode enabled

       \K1         Break sent to      Buffers cleared,     Send break to
                   remote modem and   break sent to DTE    remote modem,
                   buffered cleared                        online command
                                                           mode enabled

       \K2         Online command     Break sent           Send break to
                   mode enabled,      immediately to DTE   remote modem
                   send no break to
                   remote modem

       \K3         Send break to      Break sent           Send break to
                   remote modem       immediately to DTE   remote modem,
                   immediately                             online command
                                                           mode enabled

       \K4         Online command     Break sent with      Send break to
                   mode enabled,      received data to     remote modem
                   send no break to   the DTE
                   remote modem

       \K5         Send break with    Break sent with      Send break to
                   transmitted data   received data to     remote modem
                                      the DTE

                               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 reliable mode enabled

      \N5        MNP reliable mode enabled

                             CONNECT MESSAGES

  Type:            Configuration

  Format:          AT [cmds] \Vn [cmds]

  Description:     Selects the operating mode the modem uses while
                   connected

     Command                              Function

       \V0         Connect messages are controlled by command settings X,
                   W, and S95

       \V1         Connect messages are displayed in single line format

                            LINE SIGNAL QUALITY

  Type:             Immediate

  Format:           AT [cmds] %Q [cmds]

  Range:            0-255

  Unit:             -1 dBm

  Description:      Returns a value which indicates line signal quality

            Note: Values 0-7 indicate no retrain. 8-255 retrain performed
            if enabled by %E1

                            S(STATUS) -REGISTERS

                                 AUTOSYNC

  Type:          Register

  Format         AT [cmds] S19=n [cmds]

  Range:         0-255

  Unit:          1 second

  Description:   Sets Auto-Sync options

                               AUTOSYNC HDLC

  Type:          Register

  Format         AT [cmds] S20=n [cmds]

  Range:         0-255

  Unit:          1 second

  Description:   Sets Auto-Sync HDLC addresses

                              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          Speed of last connection

        S37=1          300bps

        S37=2          300bps

        S37=3          300bps

        S37=4          Reserved

        S37=5          V.22 1200bps

        S37=6          V.22bis 2400bps

        S37=7          V.23

        S37=8          V.32/V.32bis 4800bps

        S37=9          V.32/V.32bis 9600bps

       S37=10          V.32bis 12.0Kbps

       S37=11          V.32bis 14.4Kbps

       S37=12          V.32bis 7200bps

                         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

         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

            MISCELLANEOUS TECHNICAL NOTES

  Information on register S202 currently unavailable

