
XIRCOM, INC.

CEM2-10B2/CEM2-10BC/CEM2-10BT

Card Type                    Fax, Modem (synchronous/asynchronous),
                             Network Interface Card
NIC Type                     Ethernet
Chip Set                     Unidentified
Network Transfer Rate        10Mbps
Maximum Modem Rate           14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA Type II
Fax Class                    Unidentified
Data Modulation Protocol     Unidentified
Fax Modulation Protocol      Unidentified
Error Correction/Compression MNP5, V.42bis
Topology                     Linear Bus, Star
Wiring Type                  Unshielded twisted pair (CEM2-10BT,
                             CEM2-10BC)

                             RG-58A/U 50ohm coaxial (CEM2-10B2, CEM2-10BC)
Boot ROM                     Not available

                                                                V1803/N1434

                         Proprietary AT Command Set

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Configuration

  Format:                AT [cmds] %An [cmds]

  Default:               13

  Range:                 0-127

  Unit:                  ASCII

  Description:           Sets the character used as the auto-reliable
                         fallback character. %A0 will disable this
                         function.

                               AUTO FALLBACK

  Type:          Configuration

  Format:        AT [cmds] %Gn [cmds]

  Description:   Selects auto fallback

    Command                              Function

      %G0        Fallback disabled

      %G1        Fallback enabled

                         AUTO-RELIABLE TIME BUFFER

  Type:                 Configuration

  Format:               AT [cmds] \Cn [cmds]

  Description:          Controls the handling of incoming data during
                        auto-reliable time period

       Command                              Function

         \CO            Data is discarded

         \C1            Data is buffered for 4 seconds or 200 characters

         \C2            Data is discarded, sets to normal mode and
                        switches to normal mode when &An received

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT %En

  Description:   Selects auto-retrain mode

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                         BIT-MAPPED REGISTER S136

  Format:                 AT [cmds] S136=n [cmds]

  Default:                Unidentified

  Range:                  0-223

  Description:            Controls tone dial/duration, off-hook count,
                          call delay blacklist and transmit power level.

      Bit          Value                       Function

       0                 0   S11 controls tone dial length

                        1    Tone on/off fixed length

        1                 0  Fixed tone duration of 95ms

                         1   Fixed tone duration of 120ms

        2                 0  DTMF level high -6, low -8

                         1   DTMF level high -9, low -11

        3                 0  Off hook count disabled

                         1   Disable calling after 12 failed off hooks

        4                 0  Minimum call delay 5 seconds

                         1   Minimum call delay 1 minute

      6, 5               00  Blacklist reset disabled

                         01  Reset blacklist after 2 hours

                        10   Reset blacklist after 4 hours

        7                 0  S91 controls data, S92 controls fax power
                             levels
                         1
                             Transmit power level fixed at -15dB for
                             Japan, -10dB for all others

                          BIT-MAPPED REGISTER 138

  Format:                  AT [cmds] S138=n [cmds]

  Default:                 Unidentified

  Range:                   0 -255

  Description:             Controls ring count, ring frequency, ATA, ring
                           priority, ring detect, impedance, loop
                           circuit.

       Bit          Value                      Function

        0                 0   S0 controls ring count

                         1    Answer between 2 and 6 rings if S0 = 0

        1                 0   Reset ring count after 8 seconds

                         1    Reset ring count after 10 seconds

        2                 0   Set ring frequency to 16 - 80Hz

                         1    Set ring frequency to 18 - 56Hz

        3                 0   ATA normal

                         1    ATA allowed only if S1 greater than 0 or
                              loop current detect returns true

        4                 0   Dialing enabled during incoming ring

                         1    Dialing disabled during incoming ring

        5                 0   Half wave ring detector

                         1    Full wave ring detector

        6                 0   600 ohm impedance

                         1    Complex impedance

        7                 0   Normal DC mask loop circuit detect

                         1    Current limit active loop circuit detect

                                      BIT-MAPPED REGISTER S139

  Format:              AT [cmds] S139=n [cmds]

  Default:             Unidentified

  Range:               0 - 255

  Description:         Controls busy pattern, filter shape, flash time, blacklist, test mode,
                       current sensing.

     Bit        Value                                     Function

      0               0   ITU-T mask

                     1    Norway mask

     2, 1             00   Generic filter

                      01   German filter

                      10   Sweden filter

                     11    OEM filter

     4, 3             00   500ms flash time

                      01   250ms flash time

                      10   100ms flash time

                     11    S29 controls flash time

       5               0   Blacklisting disabled

                      1    Blacklisting enabled

       6               0   Test modes enabled

                      1    Test modes disabled

       7               0   Current sensing not available

                      1    Current sensing supported by hardware

                                 BLACKLIST

  Type:              Read only

  Format:            AT [cmds] S140? [cmds]

  Description:       Displays the maximum number of call attempts before
                     number is blacklisted

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem

                                BREAK TYPE

  Type:             Configuration

  Format:           AT [cmds] \Kn [cmds]

  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 cleared,
                    mode enabled,      remote modem      break sent to
                    send no break      and buffers       DTE
                    to remote modem    cleared

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

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

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

                               CALLING TONE

  Type:             Configuration

  Format:           AT [cmds] -Cn [cmds]

  Description:      Controls whether the DTE will allow the modem to send
                    a calling tone

     Command                              Function

       -C0          Disable calling tone

       -C1          Enable calling tone

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Description:   Selects MNP 5 data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        Data compression enabled

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Description:   Sets connect mode

    Command                              Function

      \N0        Normal mode enabled

      \N2        Auto-reliable MNP mode enabled

      \N3        Auto-reliable V.42 mode enabled

      \N4        Reliable V.42 mode enabled

                       CONVERT TO MNP RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \Y [cmds]

  Description:   Converts to MNP reliable mode from normal or direct mode

                               COUNTRY CODES

  Type:          Configuration

  Format:        AT [cmds] S133=n [cmds]

  Description:   Selects country specific operating configuration

    Command                              Function

     S133=0       USA

     S133=1       United Kingdom

     S133=2       Germany

     S133=3       France

     S133=4       Belgium

     S133=5       Holland

     S133=6       Italy

     S133=7       Spain

     S133=8       Austria

     S133=9       Switzerland

    S133=10       Portugal

    S133=11       Sweden

    S133=12       Norway

    S133=13       Denmark

    S133=14       Finland

    S133=15       Cyprus

    S133=16       Czechoslovakia

    S133=17       Greece

    S133=18       Hungary

                COUNTRY CODES (CONTINUED)

  Command                      Function

  S133=19    Poland

  S133=20    Russia

  S133=21         Turkey

  S133=22         Luxembourg

  S133=23         Iceland

  S133=25         Egypt

  S133=26         India

  S133=27         Kenya

  S133=28         South Africa

  S133=29         Morocco

  S133=48         Australia

  S133=49         Abu Dhabi

  S133=50         Bangladesh

  S133=51         China

  S133=52         Hong Kong

  S133=53         Indonesia

  S133=54         Japan

  S133=55         Korea

  S133=56         Malaysia

  S133=57         New Zealand

  S133=58         Philippines

  S133=59         Singapore

  S133=96         Argentina

  S133=97         Bolivia

  S133=98         Brazil

  S133=99         Chile

  S133=100        Columbia

  S133=101        Costa Rica

  S133=102        Guatemala

  S133=103        Mexico

  S133=104        Nicaragua

  S133=105        Paraguay

  S133=106        Peru

  S133=107        Uruguay

  S133=108        Venezuela

  S133=128        Kuwait

  S133=129        Oman

  S133=130        Saudi Arabia

                           CREDIT CARD BONG TONE

  Type:          Configuration

  Format:        AT [cmds] S121=n [cmds]

  Description:   Selects credit card bong tone

    Command                              Function

     S121=0       AT&T

     S121=1       MCI

     S121=3       Sprint

                                 DIALTONE

  Format:              AT [cmds] S137=n [cmds]

  Default:             Unidentified

  Range:               0 - 255

  Description:         Controls dialtone options, blind dial, blind wait,
                       comma pause, ringback.

     Bit        Value                        Function

      0               0   Blind dial enabled

                     1    Blind dial disabled

      1               0   Return error if blind dial disabled

                     1    Detect dialtone if blind dial disabled

      2               0   S5 sets dialtone detect timeout, S6 sets blind
                          wait, S8 sets comma pause
                     1
                          S6 sets dialtone detect timeout, S8 sets blind
                          wait, S8 sets comma pause

      3               0   Ringback to answer tone time unlimited

                     1    Hang up if answer tone not received within 7
                          seconds of ringback

      4               0   Dialtone valid for .8 second

                     1    Dialtone valid for 1 second

      5               0   Cadenced dialtone enabled

                     1    Display NO DIALTONE if cadenced dialtone
                          received

      6               0   Ignore dialtone hole of 30ms or less

                     1    Ignore dialtone hole of 50ms or less

      7               0   Detect high band dialtone disabled

                     1    Detect high band dialtone enabled

                             DCE CONNECT SPEED

  Type:          Configuration

  Format:        AT [cmds] S37=n [cmds]

  Description:   Selects current DCE speed

    Command                              Function

     S37=5        1200bps

     S37=6        2400bps

     S37=7        4800bps

     S37=8        7200bps

     S37=9        9600bps

     S37=10       12.0Kbps

     S37=11       14.4Kbps

     S37=16       16.8Kbps

     S37=17       19.2Kbps

                           ERRONEOUS CALL RETRY

  Type:          Read only

  Format:        AT [cmds] S145? [cmds]

  Description:   Contains value for erroneous call retry

                           ERRONEOUS CALL DELAY

  Type:          Read only

  Format:        AT [cmds] S146? [cmds]

  Description:   Contains value for erroneous call delay

                                FAST RETRY

  Type:          Read only

  Format:        AT [cmds] S141? [cmds]

  Description:   Enable/disable status for fast retry for trouble calls

                            FEATURE NEGOTIATION

  Type:          Configuration

  Format:        AT [cmds] S48=n [cmds]

  Description:   Controls feature negotiation with remote modem

    Command                              Function

     S48=0        No negotiation

     S48=7        Feature negotiation enabled

    S48=128       Feature negotiation disabled, use S36

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Description:   Selects modem port flow control

    Command                              Function

      \G0        Flow control disabled

      \G1        Flow control enabled

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Sets type of flow control used by modem

    Command                              Function

      \Q0        Flow control disabled

      \Q1        XON/XOFF flow control enabled

      \Q2        Unidirectional hardware flow control enabled

      \Q3        Bidirectional hardware flow control enabled

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Sets type of flow control used by modem

    Command                              Function

      &K0        Local flow control disabled

      &K1        Not used

      &K2        Not used

      &K3        CTS/RTS flow control enabled

      &K4        XON/XOFF flow control enabled

                            HELP SCREEN BORDER

  Type:           Configuration

  Format:         AT [cmds] S120=n [cmds]

  Description:    Selects help screen display option

     Command                             Function

     S120=0       Surround help screen text with ASCII character border

     S120=1       Do not surround help screen text with ASCII character
                  border

                             INACTIVITY TIMER

  Type:                  Register

  Format:                AT [cmds] \Tn [cmds]

  Default:               0

  Range:                 0-90

  Unit:                  1 minute

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

                          INEFfECTIVE CALL DELAY

  Type:          Read only

  Format:        AT [cmds] S144? [cmds]

  Description:   Contains value for ineffective call delay

                          INEFfECTIVE CALL RETRY

  Type:          Read only

  Format:        AT [cmds] S143? [cmds]

  Description:   Contains value for ineffective call fast retry

                        INITIATE MNP RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \O [cmds]

  Description:   Initiates MNP reliable mode from normal or direct mode

                            INTERNATIONAL USAGE

  Type:          Configuration

  Format:        AT [cmds] %TEn [cmds]

  Description:   Controls country specific settings

    Command                              Function

     %TE=0        International usage disabled

     %TE=1        S register 133 enabled

     %TE=2        S register 133 and 135-146 enabled

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Description:   Sets the maximum transmittable block size

    Command                              Function

      \A0        MNP block size is 64 characters

      \A1        MNP block size is 128 characters

      \A2        MNP block size is 192 characters

      \A3        MNP block size is 256 characters

                             PSEUDO DTE SPEED

  Type:              Configuration

  Format:            AT [cmds] S122=n [cmds]

  Description:       Sets DTE speed used by CONNECT message. Has not
                     effect on modem operation

      Command                              Function

       S122=0        CONNECT

       S122=1        CONNECT 1200

       S122=2        CONNECT 2400

       S122=3        CONNECT 4800

       S122=4        CONNECT 7200

       S122=5        CONNECT 9600

       S122=6        CONNECT 12000

       S122=7        CONNECT 14400

       S122=8        CONNECT 16800

       S122=9        CONNECT 19200

      S122=10        CONNECT 21600

      S122=11        CONNECT 24000

      S122=12        CONNECT 26400

      S122=13        CONNECT 28800

      S122=14        CONNECT 38400

      S122=15        CONNECT 57600

      S122=16        CONNECT 115200

      S122=17        CONNECT 230400

                               PULSE CONTROL

  Format:              AT [cmds] S135=n [cmds]

  Default:             Unidentified

  Range:               0-239

  Description:         Controls pulse options

     Bit        Value                        Function

      0               0   Set default pulse ratio to 60:40

                     1    Set default pulse ratio to 67:33

      1               0   Set pre-pulse time to 50ms

                     1    Set pre-pulse time to 250ms

      2               0   Set post-pulse time to 0ms

                     1    Set post-pulse time to 20ms

      3               0   Pules dial enabled

                     1    Pulse dial disabled

     5, 4            00   Digit value is number of pulses (0 digit
                          generates 10 pulses)
                     01
                          Ten minus digit value equals pulses generated
                    10    (1 digit generates 9 pulses)

                          Digit value plus one equals pulses generated (0
                          digit generates 1 pulse)

      6               0   Pulse speed is 100pps

                     1    Pulse speed is 20pps selected by dial modifier
                          %

      7               0   Pulse ratio follows S22

                     1    Pulse ratio set by S135 bit 0

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Adds /ARQ to connect message

    Command                              Function

      \V1        Add /ARQ to connect message disabled

      \V0        Add /ARQ to connect message enabled

                           SWITCH TO NORMAL MODE

  Type:          Immediate

  Format:        AT [cmds] \Z [cmds]

  Description:   Switches to normal mode from MNP mode

                            TROUBLE CALL DELAY

  Type:          Read only

  Format:        AT [cmds] S142? [cmds]

  Description:   Contains value of trouble call delay

                             V.32 AUTO-RETRAIN

  Type:                 Configuration

  Format:               AT [cmds] &Bn [cmds]

  Description:          Selects action the modem will take during bad
                        line quality on V.32/32bis connection

       Command                              Function

         %B0            Auto-retrain disabled, hang up on poor line
                        quality

         %B1            Auto-retrain on line quality problem enabled

         %B2            Modem ignores line quality problems

                           V.42 DETECTION PHASE

  Type:          Configuration

  Format:        AT [cmds] -Jn [cmds]

  Description:   Controls V.42 detection

    Command                              Function

      -J0        V.42 detection disabled

      -J1        V.42 detection enabled

                        V.42bis COMPRESSION CONTROL

  Type:          Configuration

  Format:        AT [cmds] "Hn [cmds]

  Description:   Controls V.42bis data compression

    Command                              Function

      "H0        V.42bis disabled

      "H1        V.42bis when transmitting enabled

      "H2        V.42bis when receiving enabled

      "H3        V.42bis when transmitting/receiving enabled

                         V.42bis DICTIONARY SIZE

  Type          Configuration

  Format        AT [cmds] "Nn [cmds]

  Default       Unidentified

  Range         512-2048

  Unit          1 byte

  Description   Controls the size of the V.42bis

                       V.42bis MAXIMUM STRING LENGTH

  Type:          Configuration

  Format:        AT [cmds] "On [cmds]

  Default:       32

  Range:         6 - 250

  Unit:          ASCII

  Description:   Selects string size for V.42bis compression.

                             WAIT FOR MNP LINK

  Type:          Configuration

  Format:        AT [cmds] \U [cmds]

  Description:   Modem waits in on line mode for an MNP link

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Description:   Selects whether XON/XOFF signals are sent to remote
                 modem

    Command                              Function

      \X0        XON/XOFF signals trapped by local modem

      \X1        XON/XOFF passed through local modem

