
XIRCOM, INC.

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

Card Type                    Modem(synchronous/asynchronous), Fax, NIC
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

Proprietary AT Command Set

                                                                     N1434

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Configuration

  Format:                AT [cmds] %A n [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] %G n [cmds]

      Description:           Selects auto fallback

            Command                            Function

             %G0            Fallback disabled

              %G1            Fallback enabled

                         AUTO-RELIABLE TIME BUFFER

  Type:                      Configuration

      Format:                AT [cmds] \C n [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 &A n received

                               AUTO-RETRAIN

  Type:                      Configuration

      Format:                AT %E n

      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,
                       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
                                            10    hours

                                                  Reset blacklist after 4
                                                  hours

          7                                  0    S91 controls data, S92
                                                  controls fax power
                                             1    levels

                                                  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:      Contains the maximum number of call attempts before
                    number is blacklisted

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \B n [cmds]

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem

                                BREAK TYPE

  Type:               Configuration

      Format:         AT [cmds] \K n
                      [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
                      mode enabled,       remote modem     cleared, break
                      send no break to    and buffers      sent to DTE
                      remote modem        cleared

           \K1        Break sent to       Break sent to    Buffers
                      remote modem and    remote modem     cleared, break
                      buffers cleared     and buffers      sent to DTE
                                          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       Break sent
                      mode enabled,       with             with received
                      send no break to    transmitted      data to the
                      remote modem        data             DTE

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

                               CALLING TONE

  Type:                      Configuration

      Format:                AT [cmds] -C n [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 %C n

      Description:           Selects MNP 5 data compression

            Command                            Function

              %C0            Data compression disabled

             %C1            Data compression enabled

                               CONNECT MODE

  Type:                      Configuration

      Format:                AT [cmds] \N n [cmds]

      Description:           Sets connect mode

            Command                            Function

              \N0            Normal mode enabled

              \N2            Reliable mode enabled

             \N3            Auto-reliable MNP mode enabled

              \N4            Auto-reliable V.42 mode enabled

                            CONVERT TO MNP MODE

  Type:          Configuration

  Format:        AT [cmds] \Z [cmds]

  Description:   Switches to normal mode from MNP mode

                         CONVERT TO RELIABLE MODE

  Type:          Configuration

  Format:        AT [cmds] \Y [cmds]

  Description:   Initiates reliable mode link

                               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

                        COUNTRY CODES

  Command                       Function

  S133=14    Finland

  S133=15    Cyprus

  S133=16    Czechoslovakia

  S133=17    Greece

  S133=18    Hungary

  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
                                 1              wait, S8 sets comma pause

                                                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
                                                enabled
                                 1
                                                Detect high band dialtone
                                                disabled

                         DISPLAY CONNECT SPEED

  Type:          Read only

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

  Description:   Displays 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

                               FLOW CONTROL

  Type:                      Configuration

      Format:                AT [cmds] \G n [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] \Q n [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] &K n [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] \T n [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 RELIABLE MODE

  Type:           Immediate

  Format:         AT [cmds] \O [cmds]

  Description:    During normal mode the modem initiates reliable mode
                  connection

                            INTERNATIONAL USAGE

  Type:                      Configuration

      Format:                AT [cmds] %TE n [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] \A n [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        CONNECT19200

     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
                                 01              generates 10 pulses)

                                 10              Ten minus digit value
                                                 pulses generated (1
                                                 digit generates 9
                                                 pulses)

                                                 Digit value plus one
                                                 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] \V n [cmds]

      Description:           Adds /ARQ to connect message

            Command                            Function

             \V1            Add /ARQ to connect message disabled

              \V0            Add /ARQ to connect message enabled

                            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] &B n [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] -J n [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] "H n [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] "N n [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] "O n [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] \X n [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

