
HARMONY MULTIMEDIA

HM 18022

Card Type                    Modem (asynchronous)
Chip Set                     TI
I/O Options                  Audio line in, speaker out, microphone, line
                             in, line out
Maximum Modem Rate           56.0Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34, x2
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I
Data Bus                     16-bit ISA
Card Size                    Half-length, full-height card

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  Line in                       CN1      Speaker out                CN4

  Line out                      CN2      Microphone                 CN5

  Audio line in                 CN3

                 SERIAL PORT ADDRESS

    Setting        J3/A         J3/B         J3/C

  COM1 (3F8h)     Closed       Closed       Closed

  COM2 (2F8h)      Open        Closed       Closed

  COM3 (3E8h)     Closed        Open        Closed

  COM4 (2E8h)      Open         Open        Closed

  Plug & Play      Open         Open         Open

                            INTERRUPT

  Setting     J4/A       J4/B       J4/C       J4/D       J4/E

   IRQ 2     Closed      Open       Open       Open       Open

   IRQ 3      Open      Closed      Open       Open       Open

   IRQ 4      Open       Open      Closed      Open       Open

   IRQ 5      Open       Open       Open      Closed      Open

   IRQ 7      Open       Open       Open       Open      Closed

                       SUPPORTED COMMAND SET

                         Basic AT Commands

  AT, +++ A/

  A, B, D, E, F, H, M, O, V, X

  &C, &G, &R, &T, &Z

                            S Registers

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

  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                             DISPLAY COMMANDS

  Type:          Configuration

  Format:        AT [cmds] $ [cmds]

  Description:   Display a list of commands

            Note: The $ command can be used with all prefixes.

                              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

                               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        Display result codes only in Originate mode

       Q3        Display result codes only in Ring mode

                           DEFAULT CONFIGURATION

  Type:          Configuration

  Format:        AT [cmds] Yn [cmds]

  Description:   Set power on/reset default configuration

    Command                              Function

       Y0        Profile 0

       Y1        Profile 1

       Y2        Generic Template (&F0)

       Y3        Hardware flow control (&F1)

       Y4        Software flow control (&F2)

                                SOFT RESET

  Type:                Immediate

  Format:              AT [cmds] Zn [cmds]

  Description:         Restores modem profiles previously saved in
                       non-volatile RAM using the &W command.

       Command                              Function

          Z0           Resets modem to NVRAM profile selected by Y
                       command

          Z1           Resets modem to NVRAM profile 0

          Z2           Resets modem to NVRAM profile 1

          Z3           Resets modem to factory default profile 0

          Z4           Resets modem to factory default profile 1

          Z5           Resets modem to factory default profile 2

                             MODIFY RESPONSES

  Type:                Configuration

  Format:              AT [cmds] &An [cmds]

  Description:         Selects the modify responses

       Command                              Function

         &A0           ARQ result codes disabled

         &A1           Append/ARQ to word CONNECT responses when an
                       error-correction connection is made

         &A2           Append additional V.32 indicator in result codes
                       for calls at or above 4800bps

         &A3           Append Protocol of call: /LAPM, /MNP or NONE and
                       V.42bis/MNP5

                            DTE INTERFACE SPEED

  Type:                 Configuration

  Format:               AT [cmds] &Bn [cmds]

  Description:          Controls the DTE interface speed

       Command                              Function

         &B0            Serial speed follows connect speed

         &B1            Serial speed locked

         &B2            In answer mode, fix serial port speed for ARQ
                        calls and change it for non-ARQ calls

                         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

        Command                              Function

          &D0            Modem does not respond to DTR

          &D1            Modem goes to command mode after DTR goes is off

          &D2            Modem goes to command mode and disconnects
                         (hangs up) after DTR goes off; Auto-Answer is
                         disabled.

                          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          Restore factory configuration: X1 &A1, &B0, &I0, &R1

       &F1          Restore factory profile 1 (hardware flow control)

       &F2          Restore factory profile 2 (software flow control)

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Hn [cmds]

  Description:   Sets the flow control

    Command                              Function

      &H0        Flow control disabled

      &H1        Hardware flow control enabled

      &H2        Software flow control enabled

      &H3        Hardware and software flow control enabled

                           XON/XOFF FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &In [cmds]

  Description:   Sets the XON/XOFF flow control pass through

    Command                              Function

      &I0        XON/XOFF flow control disabled

      &I1        XON/XOFF signals processed to modem and remote system

      &I2        XON/XOFF signals processed to modem only

                             DATA COMPRESSION

  Type:                  Configuration

  Format:                AT [cmds] &Kn [cmds]

  Description:           Controls the V.42bis and MNP Class 5 data
                         compression

        Command                              Function

          &K0            Data compression disabled

          &K1            Data compression enabled if the DTE data rate is
                         higher than the link rate and the remote DCE
                         either supports MNP 5 of V.42bis

          &K2            Data compression enabled

          &K3            V.42bis data compression only

                              OPERATING MODE

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects operating mode

    Command                                Mode

      &M0        Normal mode

      &M4        Auto-reliable mode

      &M5        MNP reliable mode

                               DCE LINK RATE

  Type:          Configuration

  Format:        AT [cmds] &Nn [cmds]

  Description:   Selects the DCE link rate

    Command                              Function

      &N0        Variable rate

      &N1        Attempt at 300bps connection

      &N2        Attempt at 1200bps connection

      &N3        Attempt at 2400bps connection

      &N4        Attempt at 4800bps connection

      &N5        Attempt at 7200bps connection

      &N6        Attempt at 9600bps connection

      &N7        Attempt at 12000bps connection

      &N8        Attempt at 14400bps connection

      &N9        Attempt at 16800bps connection

      &N10       Attempt at 19200bps connection

      &N11       Attempt at 21600bps connection

      &N12       Attempt at 24000bps connection

      &N13       Attempt at 26400bps connection

      &N14       Attempt at 28800bps connection

      &N15       Attempt at 31200bps connection

      &N16       Attempt at 33600bps connection

      &N17       Attempt at 32000bps connection

      &N18       Attempt at 36000bps connection

      &N19       Attempt at 40000bps connection

      &N20       Attempt at 44000bps connection

      &N21       Attempt at 48000bps connection

      &N22       Attempt at 49333bps connection

      &N23       Attempt at 50666bps connection

      &N24       Attempt at 52000bps connection

                                PULSE RATIO

  Type:          Configuration

  Format:        AT [cmds] &Pn [cmds]

  Description:   Selects the pulse make/break ratio

    Command                                Mode

      &P0        39/61ms at 10pps (North America)

      &P1        33/67ms at 10pps (Europe)

                           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

                              DCE LINK FLOOR

  Type:          Immediate

  Format:        AT [cmds] &Un

  Description:   Selects the DCE link rate floor

    Command                              Function

      &U0        Disable

      &U1        300bps

      &U2        1200bps

      &U3        2400bps

      &U4        4800bps

      &U5        7200bps

      &U6        9600bps

      &U7        12000bps

      &U8        14400bps

      &U9        16800bps

      &U10       19200bps

      &U11       21600bps

      &U12       24000bps

      &U13       26400bps

      &U14       28800bps

      &U15       31200bps

      &U16       33600bps

      &U17       32000bps

      &U18       36000bps

      &U19       40000bps

      &U20       44000bps

      &U21       48000bps

      &U22       49333bps

      &U23       50666bps

      &U24       52000bps

                           STORE ACTIVE PROFILE

  Type:            Configuration

  Format:          AT [cmds] &Wn [cmds]

  Description:     Writes the values for the active profile into the
                   non-volatile RAM

     Command                              Function

       &W0         Write the S-register values to profile 0

       &W1         Write the S-register values to profile 1

                              BREAK HANDLING

  Type:          Configuration

  Format:        AT [cmds] &Yn [cmds]

  Description:   Controls the break handling

    Command                              Function

      &Y0        Destructive break

      &Y1        Expedited destructive option

      &Y2        Expedited non-destructive option

                            S(status) -REGISTERS

                              INACTIVITY TIME

  Type:          Register

  Format         AT [cmds] S19n [cmds]

  Default:       0

  Range:         0-255

  Unit:          1 second

  Description:   Sets the maximum duration for inactivity timer

                          BIT-MAPPED REGISTER S21

  Format         AT [cmds] S21=n [cmds]

  Default:       10

  Range:         0-255

  Unit:          .01 second

  Description:   Sets the break length character

                       FLOW CONTROL CHARACTER  XON

  Type:          Register

  Format:        AT [cmds] S22=n [cmds]

  Default:       19

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character used to represent XON

                       FLOW CONTROL CHARACTER - XOFF

  Type:          Register

  Format:        AT [cmds] S23=n [cmds]

  Default:       19

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF

