CEM-33BTMD modem/telephone/ISDN Settings and Configuration

Card Type	Modem (asynchronous), Ethernet
Chipset	Unidentified
Maximum Onboard Memory	64KB SRAM/256KB Flash RAM
Boot ROM	Not available
Network Transfer Rate	10Mbps
Topology	Star
Wire Type	Unshielded twisted pair
Maximum Data Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation	Bell 212A ITU-T V.22, V.22bis, V.23, V.32, V.32bis, V.34 AT&T V.32terbo
Fax Modulation	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I & II
Data Bus	PCMCIA Type II

CONNECTIONS
Function	Label	Function	Label
MAM connector to PCMCIA card	CN1	Telephone line out	CN3
MAM connector to PCMCIA card	CN2	UTP connector	CN4

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LED1	Yellow	On	Card is transmitting or receiving data over the modem
LED1	Yellow	Off	Card is not transmitting or receiving data over the modem
LED2	Green	On	Carrier signal detected
LED2	Green	Off	Carrier signal not detected
LED3	Yellow	On	Card is transmitting or receiving data over Ethernet
LED3	Yellow	Off	Card is not transmitting or receiving data over Ethernet
LED4	Green	On	Network connection is good
LED4	Green	Off	Network connection is broken

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, A/

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

&C, &D, &F, &G, &K, &P, &S, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \K, \N, \Q, \T, \U, \V, \X, \Y, \Z

%A, %C, %E, %G

Special AT Commands

-C, "H, -J, "O

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S25, S30, S46, S82, S95, S108

Note: See MHI help file for complete information.

ANSWER/ORIGINATE MODE
Type:	Configuration
Format:	AT [cmds] &An [cmds]
Description:	Sets whether the modem will auto-answer as an originating or an answering modem.
Command	Function
í &A0	Modem answers in answer mode.
&A1	Modem answers in originate mode.

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options.
Command	Mode
í &Q5	V.42 error correction mode.
&Q6	Buffered asynchronous mode.
&Q8	MNP error correction mode.
&Q9	V.42bis data compression or MNP4 error correction mode.

CONNECTION FAILURE CODES
Type:	Register
Format	AT [cmds] S86? [cmds]
Description:	Returns a value which indicate the cause of a connection failure.
Value	Meaning
0	Normal hang up.
1	No failure - normal hang-up after fax connection.
4	Carrier signal lost.
5	No error-control detected for remote modem during feature negotiation.
6	Remote modem failed to respond to feature negotiation.
8	No common framing technique found.
9	No common protocol found.
10	Remote modem sent erroneous feature negotiation message.
12	No failure - remote modem disconnected normally.
13	Remote modem failed to respond after the allowed number of re-transmissions of the same message.
14	Violation of negotiated protocol caused failure.
15	Negotiated compression failed.
18	Time limit reached according to parameters set in S30.
19	Remote modem failed to respond after the allowed number of re-transmissions of the same message.
32	Disconnect tone received from telephone network.
33	User aborted connection.
34	DTR signal was lost.
99	Reason for disconnection not known.

COUNTRY CODE
Type:	Register
Format:	AT [cmds] S133=n [cmds]
Description:	Selects the country the modem is configured for.
Note:	See the %TE command for more information. Not all options may be supported by all modems.
Command	Function
S133=0	Country code set for the United States.
S133=1	Country code set for Great Britain.
S133=2	Country code set for Germany.
S133=3	Country code set for France.
S133=4	Country code set for Belgium.
S133=5	Country code set for the Netherlands.
S133=6	Country code set for Italy.
S133=7	Country code set for Spain.
S133=8	Country code set for Austria.
S133=9	Country code set for Switzerland.
S133=10	Country code set for Portugal.
S133=11	Country code set for Sweden.
S133=12	Country code set for Norway.
S133=13	Country code set for Denmark.

COUNTRY CODE (CON'T)
Command	Function
S133=14	Country code set for Finland.
S133=15	Country code set for Cyprus.
S133=16	Country code set for Czechoslovakia.
S133=17	Country code set for Greece.
S133=18	Country code set for Hungary.
S133=19	Country code set for Poland.
S133=20	Country code set for Russia.
S133=21	Country code set for Turkey.
S133=22	Country code set for Luxembourg.
S133=23	Country code set for Iceland.
S133=25	Country code set for Egypt.
S133=26	Country code set for India.
S133=27	Country code set for Kenya.
S133=28	Country code set for South Africa.
S133=29	Country code set for Morocco.
S133=48	Country code set for Abu Dhabi.
S133=49	Country code set for Australia.
S133=50	Country code set for Bangladesh.
S133=51	Country code set for China.
S133=52	Country code set for Hong Kong.
S133=53	Country code set for Indonesia.
S133=54	Country code set for Japan.
S133=55	Country code set for Korea.
S133=56	Country code set for Malaysia.
S133=57	Country code set for New Zealand.
S133=58	Country code set for the Philippines.
S133=59	Country code set for Singapore.
S133=96	Country code set for Argentina.
S133=97	Country code set for Bolivia.
S133=98	Country code set for Brazil.
S133=99	Country code set for Chile.
S133=100	Country code set for Colombia.
S133=101	Country code set for Costa Rica.
S133=102	Country code set for Guatemala.
S133=103	Country code set for Mexico.
S133=104	Country code set for Nicaragua.
S133=105	Country code set for Paraguay.
S133=106	Country code set for Peru.
S133=107	Country code set for Uruguay.
S133=108	Country code set for Venezuela.
S133=128	Country code set for Kuwait.
S133=129	Country code set for Oman.
S133=130	Country code set for Saudi Arabia.

CREDIT CARD TONE TYPE
Type:	Register
Format:	AT [cmds] S121=n [cmds]
Description:	Selects the type of credit card tone the modem will detect.
Command	Function
í S121=0	Modem will detect AT&T credit card tone.
S121=1	Modem will detect MCI credit card tone.

DIAL DISPLAY
Type:	Configuration
Format:	AT [cmds] &En [cmds]
Description:	Selects whether the modem will display each digit as it is being dialed.
Command	Function
í &E0	Dial display disabled.
&E1	Dial display enabled.

DISPLAY INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested about the modem.
Command	Function
I0	Reports product identification code.
I1	Reports ROM checksum.
I2	Tests and reports ROM checksum.
I3	Reports firmware revision.
I4	Displays feature bitmap.
I6	Displays connection statistics.

DTE CONNECT SPEED RESULT CODE
Type:	Register
Format:	AT [cmds] S122=n [cmds]
Description:	Selects the DTE speed that the modem will report in CONNECT messages.
Command	Function
S122=0	Modem reports CONNECT.
S122=1	Modem reports CONNECT 1200.
S122=2	Modem reports CONNECT 2400.
S122=3	Modem reports CONNECT 4800.
S122=4	Modem reports CONNECT 7200.
S122=5	Modem reports CONNECT 9600.
S122=6	Modem reports CONNECT 12000.
S122=7	Modem reports CONNECT 14400.
S122=8	Modem reports CONNECT 16800.
S122=9	Modem reports CONNECT 19200.
S122=10	Modem reports CONNECT 21600.

DTE CONNECT SPEED RESULT CODE (CON'T)
Command	Function
S122=11	Modem reports CONNECT 24000.
S122=12	Modem reports CONNECT 26400.
S122=13	Modem reports CONNECT 28800.
S122=14	Modem reports CONNECT 38400.
S122=15	Modem reports CONNECT 57600.
S122=16	Modem reports CONNECT 115200.
S122=17	Modem reports CONNECT 230400.

HELP
Type:	Immediate
Format:	AT [cmds] $
Description:	Displays help screens on the modem's commands.

HELP SCREEN BORDER
Type:	Register
Format:	AT [cmds] S120=n [cmds]
Description:	Selects whether help screens will be displayed with an IBM Extended ASCII border around them.
Command	Function
S120=0	Help screens are displayed with border.
í S120=1	Help screens are displayed without border.

LINE SPEED - CURRENT
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.
7	Speed of current connection is 4800bps.
8	Speed of current connection is 7200bps.
9	Speed of current connection is 9600bps.
10	Speed of current connection is 12Kbps.
11	Speed of current connection is 14.4Kbps.
15	Speed of current connection is 28.8Kbps.
16	Speed of current connection is 16.8Kbps.
17	Speed of current connection is 19.2Kbps.
19	Speed of current connection is 31.2Kbps.
20	Speed of current connection is 33.6Kbps.
29	Speed of current connection is 24Kbps.
33	Speed of current connection is 21.6Kbps.

LINE SPEED - DESIRED
Type:	Register
Format:	AT [cmds] S37=n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during handshake process.
Command	Function
S37=5	Set speed to 1200bps.
S37=6	Set speed to 2400bps.
S37=7	Set speed to 4800bps.
S37=8	Set speed to 7200bps.
S37=9	Set speed to 9600bps.
S37=10	Set speed to 12Kbps.
S37=11	Set speed to 14.4Kbps.
S37=15	Set speed to 28.8Kbps.
S37=16	Set speed to 16.8Kbps.
S37=17	Set speed to 19.2Kbps.
S37=19	Set speed to 31.2Kbps.
S37=20	Set speed to 33.6Kbps.
S37=29	Set speed to 24Kbps.
S37=33	Set speed to 21.6Kbps.

ON-LINE
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.