(TXT) View Source
# XIRCOM, INC.
CEM-33BTMD
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 MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I & II
Data Bus PCMCIA Type II
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| MAM connector to | CN1 | Telephone line out | CN3 |
| PCMCIA card | | | |
|-----------------------+-------+--------------------+-------|
| MAM connector to | CN2 | UTP connector | CN4 |
| PCMCIA card | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+