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CEM-33BTMD
XIRCOM, INC.
CEM-33BTMD
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Card Type
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Modem (asynchronous), Ethernet
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Chipset
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Unidentified
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Maximum Onboard Memory
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64KB SRAM/256KB Flash RAM
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Boot ROM
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Not available
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Network Transfer Rate
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10Mbps
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Topology
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Star
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Wire Type
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Unshielded twisted pair
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Maximum Data Rate
|
33.6Kbps
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Maximum Fax Rate
|
14.4Kbps
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Data Modulation
|
Bell 212A
ITU-T V.22, V.22bis, V.23, V.32, V.32bis, V.34
AT&T V.32terbo
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Fax Modulation
|
ITU-T V.17, V.27ter, V.29
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Error Correction/Compression
|
MNP5, V.42, V.42bis
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|
Fax Class
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Class I & II
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Data Bus
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PCMCIA Type II
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CONNECTIONS
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Function
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Label
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Function
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Label
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MAM connector to PCMCIA card
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CN1
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Telephone line out
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CN3
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MAM connector to PCMCIA card
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CN2
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UTP connector
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CN4
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DIAGNOSTIC LED(S)
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LED
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Color
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Status
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Condition
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LED1
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Yellow
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On
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Card is transmitting or receiving data over the modem
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LED1
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Yellow
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Off
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Card is not transmitting or receiving data over the modem
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LED2
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Green
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On
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Carrier signal detected
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LED2
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Green
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Off
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Carrier signal not detected
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LED3
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Yellow
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On
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Card is transmitting or receiving data over Ethernet
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LED3
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Yellow
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Off
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Card is not transmitting or receiving data over Ethernet
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LED4
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Green
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On
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Network connection is good
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LED4
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Green
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Off
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Network connection is broken
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SUPPORTED STANDARD COMMANDS
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Basic AT Commands
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+++, A/
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A, D, E, H, M, N, P, Q, T, V, W, X, Y, Z
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&C, &D, &F, &G, &K, &P, &S, &V, &W, &Y, &Z
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Extended AT Commands
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\A, \B, \C, \G, \K, \N, \Q, \T, \U, \V, \X, \Y, \Z
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%A, %C, %E, %G
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Special AT Commands
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-C, "H, -J, "O
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S-Registers
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S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S25, S30, S46, S82, S95, S108
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Note: See MHI help file for complete information.
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Proprietary AT Command Set
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ANSWER/ORIGINATE MODE
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Type:
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Configuration
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Format:
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AT [cmds] &An [cmds]
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Description:
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Sets whether the modem will auto-answer as an originating or an answering modem.
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Command
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Function
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í &A0
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Modem answers in answer mode.
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&A1
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Modem answers in originate mode.
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COMMUNICATIONS MODE
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Type:
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Configuration
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Format:
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AT [cmds] &Qn [cmds]
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Description:
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Selects communications mode options.
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Command
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Mode
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í &Q5
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V.42 error correction mode.
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&Q6
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Buffered asynchronous mode.
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&Q8
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MNP error correction mode.
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&Q9
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V.42bis data compression or MNP4 error correction mode.
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CONNECTION FAILURE CODES
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Type:
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Register
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Format
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AT [cmds] S86? [cmds]
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Description:
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Returns a value which indicate the cause of a connection failure.
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Value
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Meaning
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0
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Normal hang up.
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1
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No failure - normal hang-up after fax connection.
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4
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Carrier signal lost.
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5
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No error-control detected for remote modem during feature negotiation.
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6
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Remote modem failed to respond to feature negotiation.
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8
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No common framing technique found.
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9
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No common protocol found.
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10
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Remote modem sent erroneous feature negotiation message.
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12
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No failure - remote modem disconnected normally.
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13
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Remote modem failed to respond after the allowed number of re-transmissions of the same message.
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14
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Violation of negotiated protocol caused failure.
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15
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Negotiated compression failed.
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18
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Time limit reached according to parameters set in S30.
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19
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Remote modem failed to respond after the allowed number of re-transmissions of the same message.
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32
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Disconnect tone received from telephone network.
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33
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User aborted connection.
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34
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DTR signal was lost.
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99
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Reason for disconnection not known.
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COUNTRY CODE
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Type:
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Register
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Format:
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AT [cmds] S133=n [cmds]
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Description:
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Selects the country the modem is configured for.
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Note:
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See the %TE command for more information. Not all options may be supported by all modems.
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Command
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Function
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S133=0
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Country code set for the United States.
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S133=1
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Country code set for Great Britain.
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S133=2
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Country code set for Germany.
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S133=3
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Country code set for France.
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S133=4
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Country code set for Belgium.
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S133=5
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Country code set for the Netherlands.
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S133=6
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Country code set for Italy.
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S133=7
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Country code set for Spain.
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S133=8
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Country code set for Austria.
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S133=9
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Country code set for Switzerland.
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S133=10
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Country code set for Portugal.
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S133=11
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Country code set for Sweden.
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S133=12
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Country code set for Norway.
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S133=13
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Country code set for Denmark.
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COUNTRY CODE (CON'T)
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Command
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Function
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S133=14
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Country code set for Finland.
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S133=15
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Country code set for Cyprus.
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S133=16
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Country code set for Czechoslovakia.
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S133=17
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Country code set for Greece.
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S133=18
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Country code set for Hungary.
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S133=19
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Country code set for Poland.
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S133=20
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Country code set for Russia.
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S133=21
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Country code set for Turkey.
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S133=22
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Country code set for Luxembourg.
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S133=23
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Country code set for Iceland.
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S133=25
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Country code set for Egypt.
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S133=26
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Country code set for India.
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S133=27
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Country code set for Kenya.
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S133=28
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Country code set for South Africa.
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S133=29
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Country code set for Morocco.
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S133=48
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Country code set for Abu Dhabi.
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S133=49
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Country code set for Australia.
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S133=50
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Country code set for Bangladesh.
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S133=51
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Country code set for China.
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S133=52
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Country code set for Hong Kong.
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S133=53
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Country code set for Indonesia.
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S133=54
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Country code set for Japan.
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S133=55
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Country code set for Korea.
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S133=56
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Country code set for Malaysia.
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S133=57
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Country code set for New Zealand.
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S133=58
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Country code set for the Philippines.
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S133=59
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Country code set for Singapore.
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S133=96
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Country code set for Argentina.
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S133=97
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Country code set for Bolivia.
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S133=98
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Country code set for Brazil.
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S133=99
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Country code set for Chile.
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S133=100
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Country code set for Colombia.
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S133=101
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Country code set for Costa Rica.
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S133=102
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Country code set for Guatemala.
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S133=103
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Country code set for Mexico.
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S133=104
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Country code set for Nicaragua.
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S133=105
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Country code set for Paraguay.
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S133=106
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Country code set for Peru.
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S133=107
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Country code set for Uruguay.
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S133=108
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Country code set for Venezuela.
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S133=128
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Country code set for Kuwait.
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S133=129
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Country code set for Oman.
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S133=130
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Country code set for Saudi Arabia.
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CREDIT CARD TONE TYPE
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Type:
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Register
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Format:
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AT [cmds] S121=n [cmds]
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Description:
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Selects the type of credit card tone the modem will detect.
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Command
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Function
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í S121=0
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Modem will detect AT&T credit card tone.
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S121=1
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Modem will detect MCI credit card tone.
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DIAL DISPLAY
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Type:
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Configuration
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Format:
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AT [cmds] &En [cmds]
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Description:
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Selects whether the modem will display each digit as it is being dialed.
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Command
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Function
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í &E0
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Dial display disabled.
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&E1
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Dial display enabled.
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DISPLAY INFORMATION
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Type:
|
Immediate
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Format:
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AT [cmds] In [cmds]
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Description:
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Displays information requested about the modem.
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Command
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Function
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I0
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Reports product identification code.
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I1
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Reports ROM checksum.
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I2
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Tests and reports ROM checksum.
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I3
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Reports firmware revision.
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I4
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Displays feature bitmap.
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I6
|
Displays connection statistics.
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DTE CONNECT SPEED RESULT CODE
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Type:
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Register
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Format:
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AT [cmds] S122=n [cmds]
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Description:
|
Selects the DTE speed that the modem will report in CONNECT messages.
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Command
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Function
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S122=0
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Modem reports CONNECT.
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S122=1
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Modem reports CONNECT 1200.
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S122=2
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Modem reports CONNECT 2400.
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S122=3
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Modem reports CONNECT 4800.
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S122=4
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Modem reports CONNECT 7200.
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S122=5
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Modem reports CONNECT 9600.
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S122=6
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Modem reports CONNECT 12000.
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S122=7
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Modem reports CONNECT 14400.
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S122=8
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Modem reports CONNECT 16800.
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S122=9
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Modem reports CONNECT 19200.
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S122=10
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Modem reports CONNECT 21600.
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DTE CONNECT SPEED RESULT CODE (CON'T)
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Command
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Function
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|
S122=11
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Modem reports CONNECT 24000.
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|
S122=12
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Modem reports CONNECT 26400.
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S122=13
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Modem reports CONNECT 28800.
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S122=14
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Modem reports CONNECT 38400.
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S122=15
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Modem reports CONNECT 57600.
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S122=16
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Modem reports CONNECT 115200.
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S122=17
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Modem reports CONNECT 230400.
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HELP
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Type:
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Immediate
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Format:
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AT [cmds] $
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Description:
|
Displays help screens on the modem's commands.
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HELP SCREEN BORDER
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Type:
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Register
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Format:
|
AT [cmds] S120=n [cmds]
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Description:
|
Selects whether help screens will be displayed with an IBM Extended ASCII border around them.
|
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Command
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Function
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S120=0
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Help screens are displayed with border.
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|
í S120=1
|
Help screens are displayed without border.
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|
LINE SPEED - CURRENT
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|
Type:
|
Register (read-only)
|
|
Format:
|
AT [cmds] S43? [cmds]
|
|
Description:
|
Returns a value indicating the speed of the current connection.
|
|
Value
|
Meaning
|
|
1
|
Speed of current connection is 1200/75bps.
|
|
2
|
Speed of current connection is 75/1200bps.
|
|
5
|
Speed of current connection is 1200bps.
|
|
6
|
Speed of current connection is 2400bps.
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|
7
|
Speed of current connection is 4800bps.
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8
|
Speed of current connection is 7200bps.
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|
9
|
Speed of current connection is 9600bps.
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10
|
Speed of current connection is 12Kbps.
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11
|
Speed of current connection is 14.4Kbps.
|
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15
|
Speed of current connection is 28.8Kbps.
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|
16
|
Speed of current connection is 16.8Kbps.
|
|
17
|
Speed of current connection is 19.2Kbps.
|
|
19
|
Speed of current connection is 31.2Kbps.
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|
20
|
Speed of current connection is 33.6Kbps.
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|
29
|
Speed of current connection is 24Kbps.
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|
33
|
Speed of current connection is 21.6Kbps.
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|
LINE SPEED - DESIRED
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Type:
|
Register
|
|
Format:
|
AT [cmds] S37=n [cmds]
|
|
Description:
|
Sets the maximum allowable data exchange rate attempted during handshake process.
|
|
Command
|
Function
|
|
S37=5
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Set speed to 1200bps.
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S37=6
|
Set speed to 2400bps.
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|
S37=7
|
Set speed to 4800bps.
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|
S37=8
|
Set speed to 7200bps.
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|
S37=9
|
Set speed to 9600bps.
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|
S37=10
|
Set speed to 12Kbps.
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|
S37=11
|
Set speed to 14.4Kbps.
|
|
S37=15
|
Set speed to 28.8Kbps.
|
|
S37=16
|
Set speed to 16.8Kbps.
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|
S37=17
|
Set speed to 19.2Kbps.
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|
S37=19
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Set speed to 31.2Kbps.
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|
S37=20
|
Set speed to 33.6Kbps.
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|
S37=29
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Set speed to 24Kbps.
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|
S37=33
|
Set speed to 21.6Kbps.
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|
ON-LINE
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|
Type:
|
Immediate
|
|
Format:
|
AT [cmds] On
|
|
Description:
|
Instructs the modem to return to the on-line state.
|
|
Command
|
Function
|
|
O0
|
Return to on-line state.
|
|
O1
|
Return to on-line state and initiate retrain sequence.
|
|
O3
|
Return to on-line state and initiate rate renegotiation sequence.
|
|
PROTOCOL SELECTION
|
|
Type:
|
Register
|
|
Format:
|
AT [cmds] S110=n [cmds]
|
|
Description:
|
Selects which protocols the modem will use when attempting to negotiate a connection.
|
|
Command
|
Function
|
|
S110=0
|
Modem will attempt to connect with V.23, V.22bis, V.22, or Bell 212A.
|
|
S110=1
|
Modem will attempt to connect with V.32, V.23, V.22bis, V.22, or Bell 212A.
|
|
S110=2
|
Modem will attempt to connect with V.32bis only.
|
|
S110=3
|
Modem will attempt to connect with V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A.
|
|
S110=4
|
Modem will attempt to connect with V.32terbo only.
|
|
S110=5
|
Modem will attempt to connect with V.32terbo, V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A.
|
|
S110=6
|
Modem will attempt to connect with 28.8Kbps V.34 only.
|
|
S110=7
|
Modem will attempt to connect with 28.8Kbps V.34, V.32terbo, V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A.
|
|
S110=8
|
Modem will attempt to connect with V.34 only.
|
|
í S110=9
|
Modem will attempt to connect with V.34, V.32terbo, V.32bis, V.32, V.23, V.22bis, V.22, or Bell 212A.
|
|
PROTOCOL - 1200BPS
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Bn [cmds]
|
|
Description:
|
Selects the protocol the modem will use at 1200bps.
|
|
Command
|
Function
|
|
B0
|
Modem will use ITU-T V.22 at 1200bps.
|
|
í B1
|
Modem will use Bell 212A at 1200bps.
|
|
B2
|
Modem will use ITU-T V.23 at 75/1200bps.
|
|
B3
|
Modem will use ITU-T V.23 at 1200/75bps.
|
|
PROTOCOL - 2400BPS
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Bn [cmds]
|
|
Description:
|
Selects the protocol the modem will use at 2400bps.
|
|
Command
|
Function
|
|
B30
|
Modem will use V.22bis at 2400bps.
|
|
í B33
|
Modem will use V.34 at 2400bps.
|
|
PROTOCOL - 4800BPS
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Bn [cmds]
|
|
Description:
|
Selects the protocol the modem will use at 4800bps.
|
|
Command
|
Function
|
|
B41
|
Modem will use V.32 at 4800bps.
|
|
í B44
|
Modem will use V.34 at 4800bps.
|
|
PROTOCOL - 9600BPS
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Bn [cmds]
|
|
Description:
|
Selects the protocol the modem will use at 9600bps.
|
|
Command
|
Function
|
|
B52
|
Modem will use V.32bis at 9600bps.
|
|
í B53
|
Modem will use V.34 at 9600bps.
|
|
PROTOCOL - 12KBPS
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Bn [cmds]
|
|
Description:
|
Selects the protocol the modem will use at 12Kbps.
|
|
Command
|
Function
|
|
B70
|
Modem will use V.32 at 12Kbps.
|
|
í B72
|
Modem will use V.34 at 12Kbps.
|
|
PROTOCOL - 14.4KBPS
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Bn [cmds]
|
|
Description:
|
Selects the protocol the modem will use at 14.4Kbps.
|
|
Command
|
Function
|
|
B75
|
Modem will use V.32bis at 14.4Kbps.
|
|
í B77
|
Modem will use V.34 at 14.4Kbps.
|
|
S133 COMMAND
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %TE=n [cmds]
|
|
Description:
|
Selects whether the S133 command has any function.
|
|
Command
|
Function
|
|
%TE=0
|
S133 command has no function.
|
|
%TE=1
|
S133 command sets country code.
|
|
TRELLIS CODING
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Un [cmds]
|
|
Description:
|
Selects whether the modem will use trellis coding.
|
|
Command
|
Function
|
|
í &U0
|
Trellis coding enabled.
|
|
&U1
|
Trellis coding disabled.
|
|
V.32 - AUTO-RETRAIN
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Bn [cmds]
|
|
Description:
|
Controls auto-retrain function if poor line quality is detected.
|
|
Command
|
Function
|
|
&B0
|
Auto-retrain disabled, modem hangs up.
|
|
í &B1
|
Auto-retrain enabled, modem hangs up if retrain fails.
|
|
&B2
|
Auto-retrain disabled, modem does not hang up.
|
|
V.42bis DICTIONARY SIZE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] "Nn [cmds]
|
|
Default:
|
2048
|
|
Range:
|
512 - 2048
|
|
Unit:
|
1 byte
|
|
Description:
|
Selects the size of the V.42bis dictionary.
|
|