
I/O MAGIC CORPORATION

LIGHTNING 28.8

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA Type II
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

                                                                      V1583

                         Proprietary AT Command Set

                    AUTO-RETRAIN - FALLBACK/FALLFORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Example:       AT %E1 <CR>

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

  Command                                Function

  %E0            Auto-retrain disabled.

  %E1            Auto-retrain enabled.

  %E2            Fallback/fall forward enabled.

                          BIT-MAPPED REGISTER S14

  Format                   AT [cmds] S14=n [cmds]

  Example:                 ATS14=138<CR>

  Default:                 138

  Range:                   0-174

  Unit:                    Bit-mapped

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

       Bit         Value                       Function

        0             0       Not used.

        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          Not used.

        5           0        Tone dial enabled.

                   1          Pulse dial enabled.

        6          0          Not used.

        7          0          Answer mode enabled.

                    1        Originate mode enabled.

                          BIT-MAPPED REGISTER S21

  Format                     AT [cmds] S21=n [cmds]

  Example:                   ATS21=4<CR>

  Default:                   4

  Range:                     0-253

  Unit:                      Bit-mapped

  Description:               Selects jack type, CTS signal, low DTR
                             action, DCD signal, DSR signal, and the Long
                             Space Disconnect function.

        Bit          Value                      Function

         0            0        Selects RJ-11 jack.

                     1          Selects RJ-12 or RJ-13 jack.

         1           0          Not used.

         2           0          CTS forced high.

                      1        CTS follows RTS.

       4, 3           00       DTR signal ignored.

                     01         Modem goes to command mode on low DTR.

                     10         Modem disconnects on low DTR. Auto-Answer
                                is disabled.
                     11
                                Modem is initialized on low DTR.

         5            0        DCD forced high.

                     1          DCD normal.

         6            0        DSR forced high.

                     1          DSR normal.

         7            0        Long Space Disconnect function disabled.

                     1          Long Space Disconnect function enabled.

                          BIT-MAPPED REGISTER S22

  Format                   AT [cmds] S22=n [cmds]

  Example:                 ATS22=117<CR>

  Default:                 117

  Range:                   0-127

  Unit:                    Bit-mapped

  Description:             Controls speaker volume and controls, and
                           limits results codes.

       Bit          Value                       Function

       1, 0         00         Off volume.

                     01       On volume.

                    10         Medium level volume.

                    11         High level volume.

       3, 2         00         Speaker off.

                     01       Speaker off on carrier.

                    10         Speaker always on.

                    11         Speaker on during handshake.

     6, 5, 4        000        Basic result codes only enabled.

                     100      Basic and connection speed result codes
                               enabled.
                    101
                               Basic and connection speed result codes
                    110        and dialtone detection enabled.

                    111        All result codes except dialtone detection
                               enabled.

                               All result codes enabled.

                          BIT-MAPPED REGISTER S23

  Format                   AT [cmds] S23=n [cmds]

  Example:                 ATS23=55<CR>

  Default:                 55

  Range:                   0-189

  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.

      3, 2, 1       000         Sets serial port speed to 0-300bps.

                    001         Sets serial port speed to 600bps.

                    010         Sets serial port speed to 1200bps.

                     011       Sets serial port speed to 2400bps.

                    100         Sets serial port speed to 4800bps.

                    101         Sets serial port speed to 9600bps.

                    110         Sets serial port speed to 19200bps.

        5,4         00          Parity even.

                    01          Not used.

                    10          Parity odd.

                     11        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]

  Example:                 AT S27=73 <CR>

  Default:                 73

  Range:                   0 - 110

  Unit:                    Bit-mapped

  Description:             Selects sync/async mode, line type, internal
                           clock, and ITU-T/Bell modes.

       Bit          Value                       Function

     3, 1, 0        000        Asynchronous mode, serial port speed
                               follows connect speed.
                    001
                               Asynchronous command mode and synchronous
                    010        connect mode.

                    011        Asynchronous command mode and synchronous
                               connect mode, DTR dialing enabled.
                    100
                               Asynchronous command mode on low DTR,
                     101      synchronous connect mode on high DTR.

                    110        Hayes AutoSync&trade; mode - serial port
                               locked at 9600bps.

                               Error correcting mode.

                               Asynchronous operation in normal mode.

        2            0        Dial up line.

                    1          Leased line.

       5, 4          00       Internal DCE transmit clock source.

                    01         External DTE transmit clock source.

                    10         Remote DCE transmit clock source.

        6           0          CCITT mode.

                     1        Bell mode.

                          BIT-MAPPED REGISTER S28

  Format                  AT [cmds] S28=n [cmds]

  Example:                AT S28=0 <CR>

  Default:                0

  Range:                  0 - 155

  Unit:                   Bit-mapped

  Description:            Controls V.23 split speed/direction, pulse
                          dialing and link negotiation speed.

      Bit          Value                       Function

       0             0       V.23 split speed operation disabled.

                     1       V.23 split speed operation enabled.

       1             0       Select 75bps transmit, 1200bps receive.

                     1       Select 1200bps transmit, 75bps receive.

       2             0       Not used

      4, 3           00      39ms make/61ms break at 10pps.

                     01      33ms make/67ms break at 10pps.

                     10      39ms make/61ms break at 20pps.

                    11       33ms make/67ms break at 20pps.

       5             0       Not used

      7, 6           00      Link at highest speed possible.

                     01      Link at 1200bps.

                    10       Link at 4800bps.

                          BIT-MAPPED REGISTER S31

  Format                 AT [cmds] S31=n [cmds]

  Example:               ATS31=2<CR>

  Default:               2

  Range:                 0 - 10

  Unit:                  Bit-mapped

  Description:           Controls auto-line speed, and displays error
                         correction progress messages.

      Bit        Value                         Function

       0         0            Not used.

       1         0            Automatic mode detection disabled.

                  1          Automatic mode detection enabled.

      3, 2        00         DTE speed only.

                 01           Full reporting.

                 10           DCE speed only.

                          BIT-MAPPED REGISTER S39

  Format                    AT [cmds] S39=n [cmds]

  Example:                  ATS39=3<CR>

  Default:                  3

  Range:                    0 - 6

  Unit:                     Bit-mapped

  Description:              Controls flow control and line type.

       Bit          Value                       Function

     2, 1, 0        000         Flow control disabled.

                     011       Hardware flow control enabled.

                    100         Normal software flow control enabled.

                    101         Transparent software flow control
                                enabled.
                    110
                                Both hardware and software flow control
                                enabled.

                          BIT-MAPPED REGISTER S40

  Format                     AT [cmds] S40=n [cmds]

  Example:                   AT S40=107 <CR>

  Default:                   107

  Range:                     0 - 253

  Unit:                      Bit-mapped

  Description:               Controls MNP extended services, fallback to
                             V.22/22bis, power level adjustment, break
                             handling, and MNP block size.

        Bit          Value                      Function

         0           0                MNP10 disabled.

                      1              MNP10 enabled.

         1           0           MNP10 at 2400 and 1200bps disabled.

                      1         MNP10 at 2400 and 1200bps enabled.

         2            0         Power level adjustment disabled.

                     1           Power level adjustment enabled.

       5 - 3         000         \K0

                     001         \K1

                     010         \K2

                     011         \K3

                     100         \K4

                      101       \K5

       7, 6          00          Maximum MNP block size is 64 characters.

                      01        Maximum MNP block size is 128
                                 characters.
                     10
                                 Maximum MNP block size is 192
                     11          characters.

                                 Maximum MNP block size is 256
                                 characters.

                          BIT-MAPPED REGISTER S41

  Format                  AT [cmds] S41=n [cmds]

  Example:                ATS41=3<CR>

  Default:                3

  Range:                  0 - 91

  Unit:                   Bit-mapped

  Description:            Selects compression, retrain and
                          fallback/fall-forward, flow control, and MNP
                          mode.

       Bit         Value                       Function

      1 - 0        00         Data compression disabled.

                   01         MNP5 enabled.

                   10         V.42bis enabled.

                    11       MNP5 and V.42bis enabled.

      6, 2          00       Retrain and fallback disabled.

                   01         Retrain enabled.

                   10         Fallback/fall-forward enabled.

        3           0        Flow control disabled.

                   1          Flow control enabled.

        4           0        Stream mode for MNP.

                   1          Block mode for MNP.

        5          0          Not used.

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B3 &W<CR>

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem.

                                BREAK TYPE

  Type:            Configuration

  Format:          AT [cmds] \Kn [cmds]

  Example:         AT \K5 <CR>

  Description:     Configures action of break signal.

     Command        Break from DTE     Modem receives     Break received
                                             \B             from remote
                                                              modem

  \K0              Online command     Break sent to       Buffers
                   mode enabled,      remote modem and    cleared, break
                   send no break to   buffered            sent to DTE.
                   remote modem.      cleared.

  \K1              Break sent to      Break sent to       Buffers
                   remote modem and   remote modem and    cleared, break
                   buffered           buffered            sent to DTE.
                   cleared.           cleared.

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

  \K3              Send break to      Send break to       Break sent
                   remote modem       remote modem        immediately to
                   immediately.       immediately.        DTE.

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

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

                               CELLULAR MODE

  Format               AT [cmds] S201=n [cmds]

  Example:             ATS201=32<CR>

  Default:             32

  Range:               0 - 63

  Unit:                Bit-mapped

  Description:         Controls cellular power level and compromise
                       equalizer.

     Bit       Value                          Function

    4 - 0       00000     Sets initial cellular power level to -26dBm.

               00001       Sets initial cellular power level to -30dBm.

               00010       Sets initial cellular power level to -10dBm.

               00011       Sets initial cellular power level to -10dBm.

               ...         ...

               01010       Sets initial cellular power level to -10dBm.

               01011       Sets initial cellular power level to -11dBm.

               ...         ...

               11111       Sets initial cellular power level to -31dBm.

      5        0           Compromise equalizer disabled.

                1         Compromise equalizer enabled.

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Example:       AT Q1 %C0 &P1<CR>

  Description:   Selects data compression.

  Command                                Function

  %C0            Data compression disabled.

  %C1            Data compression enabled.

  %C2            V.42bis compression enabled.

   %C3          V.42 and MNP5 compression enabled.

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N0 DT555-1212<CR>

  Description:   Sets connect mode.

    Command                              Function

      \N0        Normal mode enabled.

      \N1        Direct mode enabled.

      \N2        Reliable mode enabled.

      \N3        Auto-reliable mode enabled.

      \N4        LAPM mode enabled.

      \N5        MNP mode enabled.

                         DISPLAY LINE SIGNAL LEVEL

  Type:          Immediate

  Format:        AT [cmds] %L [cmds]

  Example:       AT %L &W<CR>

  Description:   Displays a value of the received line signal level.

                        DISPLAY LINE SIGNAL QUALITY

  Type:          Immediate

  Format:        AT [cmds] %Q [cmds]

  Example:       AT %Q &W<CR>

  Description:   Displays line signal quality.

                        ERROR CORRECTION REJECTION

  Format                  AT [cmds] S36=n [cmds]

  Example:                ATS36=7<CR>

  Default:                7

  Range:                  0 - 7

  Unit:                   Bit-mapped

  Description:            Configures the modems behavior if an
                          error-correcting connection cannot be made.

      Bit         Value                        Function

     0 - 2        000         Modem disconnects.

                  001         Modem attempts direct connection.

                  011         Modem attempts normal connection.

                  100         Modem attempts MNP connection.

                  101         Modem attempts MNP connection. If it fails,
                              modem attempts direct connection.
                   111
                              Modem attempts MNP connection. If it fails,
                              modem attempts normal connection.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT \G1 &K3<CR>

  Description:   Selects modem port flow control.

    Command                              Function

   \G0          Flow control disabled.

  \G1            Flow control enabled.

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] \Jn [cmds]

  Example:       AT %L3 %B14 \J0<CR>

  Description:   Sets operation of serial port speed.

    Command                              Function

      \J0        Serial speed locked.

      \J1        Serial speed follows connect speed.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 %C1<CR>

  Description:   Sets the maximum transmittable block size.

  Command                                Function

  \A0            Maximum MNP block size is 64 characters.

   \A1          Maximum MNP block size is 128 characters.

  \A2            Maximum MNP block size is 192 characters.

  \A3            Maximum MNP block size is 256 characters.

                              MNP10 FALLBACK

  Type:          Configuration

  Format:        AT [cmds] -Qn [cmds]

  Example:       AT *H0 -Q1 <CR>

  Description:   Allows MNP10 to fall back to speeds slower than 4800bps.

  Command                                Function

  -Q0            MNP10 at 2400 and 1200bps disabled.

   -Q1          MNP10 at 2400 and 1200bps enabled.

                           MNP STREAM/BLOCK MODE

  Type:          Configuration

  Format:        AT [cmds] \Ln [cmds]

  Example:       AT \L1 DT555-1212<CR>

  Description:   Selects the transfer mode for MNP.

    Command                              Function

   \L0          Stream mode for MNP enabled.

  \L1            Block mode for MNP enabled.

                             MNP10 COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] -Kn [cmds]

  Example:       AT %C1 -K0 <CR>

  Description:   Selects MNP10 data compression.

    Command                              Function

  -K0            MNP10 disabled.

   -K1          MNP10 enabled.

                          MNP10 LINK NEGOTIATION

  Type:          Configuration

  Format:        AT [cmds] *Hn [cmds]

  Example:       AT *H0 -Q1 <CR>

  Description:   Sets the speed at which MNP10 link negotiation will
                 occur.

  Command                                Function

   *H0          Link will be negotiated at highest possible speed.

  *H1            Link will be negotiated at 1200bps.

  *H2            Link will be negotiated at 4800bps.

                         MNP10 POWER LEVEL ADJUST

  Type:           Configuration

  Format:         AT [cmds] )Mn [cmds]

  Example:        AT )M1 %C1<CR>

  Description:    Controls automatic transmit power level adjustment
                  during MNP 10 link negotiation.

  Command                                Function

   )M0           Power level adjustment disabled.

  )M1             Power level adjustment enabled.

                                TEST MODES

  Format                  AT [cmds] S16=n [cmds]

  Example:                ATS16=0<CR>

  Default:                0

  Range:                  0-125

  Unit:                   Bit-mapped

  Description:            Controls loopback tests, analog, digital,
                          remote digital, and self tests.

      Bit         Value                        Function

       0             0       Local analog loopback not in progress.

                    1        Local analog loopback in progress.

       1            0        Not used.

       2             0       Local digital loopback not in progress.

                    1        Local digital loopback in progress.

       3             0       Modem not in remote digital loopback.

                    1        Remote digital loopback in progress.

       4             0       Remote digital loopback not requested.

                    1        Remote digital loopback requested.

       5             0       Remote digital loopback w/ self-test not in
                             progress.
                    1
                             Remote digital loopback w/ self-test in
                             progress.

       6             0       Local analog loopback w/ self-test not in
                             progress.
                    1
                             Local analog loopback w/ self-test in
                             progress.

                              TEST MODE - PTT

  Type:          Configuration

  Format:        AT [cmds] %TTnx [cmds]

  Example:       AT %TT0A &W<CR>

  Description:   Send PTT test signals for European line test.

  Command                                Function

  %TT0 - %TT09   DTMF dial tone digits 0 to 9.

     %TT0A       DTMF dial tone digit *

     %TT0B       DTMF dial tone digit A

     %TT0C       DTMF dial tone digit B

     %TT0D       DTMF dial tone digit C

     %TT0E       DTMF dial tone digit #

     %TT0F       DTMF dial tone digit D

     %TT10       V.21CH1 mark tone.

     %TT11       V.21CH2 mark tone.

     %TT12       V.23 back channel mark tone.

     %TT13       V.23 main channel mark tone.

     %TT14       V.22 mark tone at 600bps.

     %TT15       V.22 mark tone at 1200bps.

     %TT16       V.22bis mark tone at 2400bps.

     %TT17       V.22 answer tone, guard tone if PTT enabled.

     %TT18       V.22bis answer tone, guard tone if enabled.

     %TT19       V.21CH1 space tone.

     %TT20       V.32 tone at 9600bps.

     %TT21       V.32bis tone at 14.4Kbps

     %TT22       V.17 tone at 14.4Kbps

     %TT1A       V.21CH2 space tone.

     %TT1B       V.23 back channel space tone.

     %TT1C       V.23 main channel space tone.

     %TT1D       V.27ter carrier tone.

     %TT1E       V.29 carrier tone.

     %TT30       On-line Silence; initiate hang up.

     %TT31       V.25 answer tone.

     %TT32       1800 Hz guard tone.

     %TT33       V.25 calling tone at 1300 Hz.

     %TT34       1100 Hz Fax calling tone.

     %TT40       V.21CH2 tone.

     %TT50       V.34 tone at 14.4Kbps.

     %TT51       V.34 tone at 16.8Kbps.

     %TT52       V.34 tone at 19.2Kbps.

     %TT53       V.34 tone at 21.6Kbps.

     %TT54       V.34 tone at 24Kbps.

     %TT55       V.34 tone at 26.4Kbps.

     %TT56       V.34 tone at 28.8Kbps.

                      Proprietary V.25bis Command Set

                           CALL REQUESTED NUMBER

  Type:               Immediate

  Format:             CRI<#>;xxxx

  Example:            CRI1-303 555-1212;fubar<CR>

  Description:        Same as CRN. Dials the number given. It will ignore
                      spaces and hyphens in the string. If the string is
                      more than fifty characters long, a result of INV
                      will be returned and the identification string xxxx
                      will be ignored.

                          REQUEST LISTED NUMBERS

  Type:             Immediate

  Format:           RLN

  Example:          RLN<CR>

  Description:      Requests the modem to return the list of stored
                    numbers. If no numbers are stored, the modem will
                    return LSN.

                            LOCAL CONFIGURATION

  Type:          Immediate

  Format:        CNLx [cmds]

  Example:       CNL &V0<CR>

  Description:   Executes AT command x.

