
MAXTECH CORPORATION

288B (RC288/R6)

Card Type                    Modem/Fax card
Chip Set                     Unidentified
I/O Options                  Line in(RJ-11), line out(RJ-11)
Maximum Modem Rate           28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103/212A

                             ITU-T V34, V.32bis, V.32, V.22bis, V.22,
                             V.21, V.FC
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 & II
Data Bus                     8-bit ISA

[Image]

                                CONNECTIONS

         Function            Label             Function             Label

 RJ-11 line                       CN1       RJ-11 line               CN2

                    SERIAL PORT ADDRESS

   Setting             SW1/1                 SW1/2

  COM1 (3F8h)           On                    On

  COM2 (2F8h)           Off                   On

  COM3 (3E8h)           On                    Off

  COM4 (2E8h)           Off                   Off

                   INTERRUPT

  Setting    SW1/3    SW1/4    SW1/5   SW1/6

  IR/FONT>    On       Off      Off     Off

   IRQ3       Off      On       Off     Off

   IRQ4       Off      Off      On      Off

   IRQ5       Off      Off      Off      On

                           SUPPORTED COMMAND SET

                             Basic AT Commands

 AT, +++, A/

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

 &C, &G, &T, &V, &W, &Y, &Z

                           Extended AT Commands

 \A, \B, \C, \E, \G, \J, \K, \O, \Q, \U, \X, \Y, \Z

 %A

                                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



 Note: See MHI Help File for full command documentation.

                         PROPRIETARY AT COMMAND SET

                         AUTO-FALLFORWARD/FALLBACK

 Type:           Configuration

 Format:         AT [cmds] &En [cmds]

 Description:    Enables/disables auto fallforward/fallback

    Command                              Function

      &E0        Auto fallforward/fallback disabled

      &E1        Auto fallforward/fallback enabled

                          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            CCITT mode

          B1            Bell 212A at 300 or 1200bps

          B2            Autoscan mode

          B3            CCITT V.23 mode

          B4            300bps

          B5            1200bps

          B6            2400bps

          B7            4800bps

          B8            9600bps

          B9            14400bps

          B10           16800bps

          B11           19200bps

          B12           21600bps

          B13           24000bps

          B14           26400bps

          B15           28800bps

                            COMMUNICATIONS MODE

 Type:           Configuration

 Format:         AT [cmds] &Mn [cmds]

 Description:    Selects communications mode

    Command                                Mode

      &M0        Asynchronous mode

                           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

                         DATA TERMINAL READY (DTR)

 Type:           Configuration

 Format:         AT [cmds] &Dn [cmds]

 Description:    Selects modem response to DTR

    Command                              Function

      &D0        DTR override

      &D1        DTR toggle causes online command mode

      &D2        Normal DTR operations

      &D3        Resets on receipt of DTR

                                   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

          DP            Pulse dialing enabled

         DS=n           Dial stored telephone number n

          DT            Tone dialing enabled/Pulse dialing disabled

          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.

                          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 default profile with V.42bis/hardware flow
                      control enabled

         &F1          Factory default profile with software flow control
                      enabled

         &F2          Factory default profile with V.42bis/hardware flow
                      control enabled

         &F3          Factory default profile with software flow control
                      enabled (Macintosh)

         &F4          Factory default profile with V.42bis/hardware flow
                      control enabled (Macintosh)

         &F5          Factory default profile with V.42bis/hardware flow
                      control disabled

                                HELP SCREEN

 Type:           Configuration

 Format:         AT [cmds] &H [cmds]

 Description:    Displays help screen

                                 LINE TYPE

 Type:           Configuration

 Format:         AT [cmds] &Ln [cmds]

 Description:    Selects line type

    Command                             Line Type

      &L0        Switched line (PSTN/Dial-up)

      &L1        Leased-line

      &L2        Auto-connect leased-line operation

                                  ON-LINE

 Type:             Immediate

 Format:           AT [cmds] On [cmds]

 Description:      Controls on-line command (data transmission) state
                   options.

           Note: The O command must be placed at the end of the command
           string.

     Command                              Function

        O0         On-line command mode with no retraining enabled

        O1         On-line command mode with retraining enabled

        O2         On-line command mode with retraining and speed fall
                   forward enabled

        O3         On-line command mode with retraining and speed fall
                   backward enabled

                              ORIGINATE MODE

 Type:           Configuration

 Format:         AT [cmds] &On [cmds]

 Description:    Enables/disables originate-only mode

    Command                             Line Type

      &O0        Originate-only mode disabled

      &O1        Originate-only mode enabled

                            PULSE DIALING RATIO

 Type:           Configuration

 Format:         AT [cmds] &Pn [cmds]

 Description:    Selects pulse dial make/break ratio

    Command                              Function

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

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

                            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 internal memory test

      I3         Reports firmware ID

      I4         Reserved

                              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

                          AUTODETECT V.34 & V.FC

 Type:           Configuration

 Format:         AT [cmds] %Mn [cmds]

 Description:    Controls autodetect for V.34 and V.FC negotiation
                 signals

    Command                              Function

      %M0        V.34 and V.FC autodetect enabled

      %M1        V.34 autodetect enabled

      %M2        V.FC autodetect enabled

                 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

                            CALL-BACK SECURITY

 Type:           Configuration

 Format:         AT [cmds] %Sn [cmds]

 Description:    Selects call-back security password options

    Command                              Function

      %S0        Call-back security disabled

      %S1        Call-back security with password check enabled

      %S2        Password check only enabled

                             CLEAR-DOWN SIGNAL

 Type:           Configuration

 Format:         AT [cmds] %Dn [cmds]

 Description:    Enables/disables clear-down signal

    Command                              Function

      %D0        Clear-down signal disabled

      %D1        Clear-down signal enabled

                                COMPRESSION

 Type:           Configuration

 Format:         AT [cmds] %Cn [cmds]

 Description:    Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 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        MNP mode enabled

      \N3        MNP or Normal mode enabled

      \N4        V.42 mode enabled

      \N5        V.42 or MNP reliable mode enabled

      \N6        V.42/MNP/Normal mode enabled

                           EXTENDED RESULT CODES

 Type:           Configuration

 Format:         AT [cmds] \Vn [cmds]

 Description:    Selects extended result codes

    Command                              Function

      \V0        Reports DCE speed; extended result codes disabled

      \V1        Reports DCE speed; extended result codes enabled

      \V2        Reports DTE speed; extended result codes disabled

      \V3        Reports DTE speed; extended result codes enabled

                             INACTIVITY TIMER

 Type:                   Configuration

 Format:                 AT [cmds] \Tn [cmds]

 Range:                  0-90

 Unit:                   1 second

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

                             LINE SIGNAL LEVEL

 Type:           Immediate

 Format:         AT [cmds] %L [cmds]

 Range:          0-15

 Unit:           -1 dBm

 Description:    Sets transmit level. Default=12

                           POWER-ON AUTO-CONNECT

 Type:           Configuration

 Format:         AT [cmds] %Pn [cmds]

 Description:    Enables/disables power-on auto-connect

    Command                              Function

      %P0        Power-on auto-connect disabled

      %P1        Power-on auto-connect enabled

                              STORED PASSWORD

 Type:                   Configuration

 Format:                 AT [cmds] \P=n [cmds]

 Range:                  0-127

 Unit:                   ASCII

 Description:            Stores password with a maximum of seven
                         characters in NVRAM. \P=? displays stored
                         password

