MEGAHERTZ CORPORATION
CC3288/XJ2288
|
Modem Type |
Data (synchronous/asynchronous)/Fax |
|
Maximum Data Rate |
28.8Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Bus |
PCMCIA type II |
|
Fax Class |
Class I & II |
|
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 |
|
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
V1301
Proprietary AT Command Set
|
AUTO FALL FORWARD/FALLBACK | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Gn [cmds] |
|
Example: |
AT %G &W <CR> |
|
Description: |
Selects auto fallback. |
| Command |
Function |
| %G1 |
Fallback disabled. |
| » %G0 |
Fallback enabled. |
|
AUTO FALLBACK CHARACTER | |
|
Type: |
Register |
|
Format: |
AT [cmds] S43=n [cmds] |
|
Example: |
AT S43=13 <CR> |
|
Default: |
13 |
|
Range: |
0 - 127 |
|
Unit: |
ASCII |
|
Description: |
Set auto fallback character during MNP negotiation. |
|
Notes |
S43=0, disabled. S43=(1 - 127), enabled. |
|
AUTO SLEEP TIMER | |
|
Format |
AT [cmds] S46=n [cmds] |
|
Example: |
AT S46= 100 <CR> |
|
Default: |
100 |
|
Range: |
0 - 255 |
|
Unit: |
100 ms |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. |
|
AUTO-RELIABLE FALLBACK CHARACTER | |
|
Type: |
Register |
|
Format: |
AT [cmds] %An [cmds] |
|
Example: |
AT %A20 <CR> |
|
Default: |
13 |
|
Range: |
0-127 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used as the auto-reliable fallback character. %A0 will disable this function. |
|
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Cn [cmds] |
|
Example: |
AT \C1 &W <CR> |
|
Description: |
Controls the handling of incoming data during auto-reliable time period. |
| Command |
Function |
| » \C0 |
Data is discarded. |
| \C1 |
Data is buffered. |
| \C2 |
Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character. |
|
AUTOSYNC HDLC ADDRESS | |
|
Type: |
Register |
|
Format: |
AT [cmds] S20=n [cmds] |
|
Example: |
AT S20=6 <CR> |
|
Default: |
255 |
|
Description: |
HDLC mode = HDLC address; Bisync sync character. |
|
BIT-MAPPED REGISTER S14 | |||
|
Format |
AT [cmds] S14=n [cmds] | ||
|
Example: |
AT S14=170 <CR> | ||
|
Default: |
138 | ||
|
Range: |
0 - 190 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls echo, result codes, result code display, dumb mode, dial mode, and answer/originate mode. | ||
|
Bit | Value |
Function | |
|
0 | 0 |
Not used. | |
|
1 | 0 » 1 |
Command echo disabled. Command echo enabled. | |
|
2 | » 0 1 |
Result codes enabled. Result codes disabled. | |
|
3 | 0 » 1 |
Display result codes in numeric format. Display result codes in verbose format. | |
|
4 | » 0 1 |
AT command set disabled. AT command set enabled | |
|
5 | » 0 1 |
Tone dial enabled. Pulse dial enabled. | |
|
6 | 0 |
Not used. | |
|
7 | 0 » 1 |
Answer mode enabled. Originate mode enabled. | |
|
BIT-MAPPED REGISTER S21 | |||
|
Format |
AT [cmds] S21=n [cmds] | ||
|
Example: |
AT S21=48 <CR> | ||
|
Default: |
0 | ||
|
Range: |
0 - 124 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Selects CTS signal, low DTR action, DCD signal, and DSR signal. | ||
|
Bit | Value |
Function | |
|
1, 0 | 0 |
Not used. | |
|
2 | 0 » 1 |
CTS follows RTS. CTS forced high. | |
|
4, 3 | 00 01 » 10 11 |
DTR signal ignored. Modem goes to command mode on low DTR. Modem disconnects on low DTR. Auto-Answer is disabled. Modem is initialized on low DTR. | |
|
5 | 0 » 1 |
DCD forced high. DCD normal. | |
|
6 | » 0 1 |
DSR forced high. DSR normal. | |
|
BIT-MAPPED REGISTER S22 | |||
|
Format |
AT [cmds] S22=n [cmds] | ||
|
Example: |
AT S22=118 <CR> | ||
|
Default: |
118 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls speaker volume and controls, and limits results codes. | ||
|
Bit | Value |
Function | |
|
1, 0 | 00 01 » 10 11 |
Off volume. On volume. Medium level volume. High level volume. | |
|
3, 2 | 00 » 01 10 11 |
Speaker off. Speaker off on carrier. Speaker always on. Speaker on during handshake. | |
|
6, 5, 4 | 000 100 101 110 » 111 |
Basic result codes only enabled. Basic and connection speed result codes enabled. Basic and connection speed result codes and dialtone detection enabled. All result codes except dialtone detection enabled. All result codes enabled. | |
|
7 | » 0 1 |
&P0 enabled. &P1 enabled. | |
|
BIT-MAPPED REGISTER S-23 | |||
|
Format |
AT [cmds] S23=n [cmds] | ||
|
Example: |
AT S23=15 <CR> | ||
|
Default: |
15 | ||
|
Range: |
0 - 241 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls guard tones. Also indicates detected serial port speed and parity. Also provides storage for remote digital loopback tests. | ||
|
Bit | Value |
Function | |
|
0 | 0 » 1 |
&T5 enabled. &T4 enabled. | |
|
3, 2, 1 | 0 |
Not used. | |
|
5, 4 | » 00 01 10 11 |
Even parity. Space parity. Odd parity. Mark parity. | |
|
7, 6 | » 00 01 10 |
Guard tone disabled. 550Hz guard tone enabled. 1800Hz guard tone enabled. | |
|
BIT-MAPPED REGISTER S27 | |||
|
Format |
AT [cmds] S27=n [cmds] | ||
|
Example: |
AT S27=9 <CR> | ||
|
Default: |
64 | ||
|
Range: |
0 - 127 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Selects sync/async mode, Line type, internal clock, and ITU-T/Bell modes. | ||
|
Bit | Value |
Function | |
|
3, 1, 0 | » 000 001 010 011 100 |
Asynchronous mode, serial port speed follows connect speed. Asynchronous command mode and synchronous connect mode. Asynchronous command mode and synchronous connect mode, DTR dialing enabled. Asynchronous command mode on low DTR, synchronous connect mode on high DTR. Hayes AutoSync™ mode - serial port locked at 9600bps. | |
|
2 | » 0 1 |
Dial up line. Leased line. | |
|
5, 4 | » 00 01 10 |
Internal DTE transmit clock source. External DTE transmit clock source. Slave DTE transmit clock source. | |
|
6 | 0 » 1 |
CCITT mode. Bell mode. | |
|
BIT-MAPPED REGISTER S40 | |||
|
Format |
AT [cmds] S40=n [cmds] | ||
|
Example: |
AT S40=65 <CR> | ||
|
Default: |
77 | ||
|
Range: |
0 - 65 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls active protocols and V.42 detection. | ||
|
Bit | Value |
Function | |
|
0 | 0 » 1 | Automatic mode-detection disabled In originate mode, handshake begins at line speed designated by the S37 register. Modem can shift to a slower speed if necessary. In answer mode, handshake attempted with the following protocols in order - V.FC, V.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103 | |
|
1 | 0 |
Not used. | |
|
3 - 2 | 1 |
Not used. | |
|
5 - 4 | 0 |
Not used. | |
|
6 | 0 » 1 |
V.42 detection disabled. V.42 detection enabled. | |
|
BIT-MAPPED REGISTER S41 | ||
|
Format |
AT [cmds] S41=n [cmds] | |
|
Example: |
AT S41=0 <CR> | |
|
Default: |
0 | |
|
Range: |
0 - 2 | |
|
Unit: |
Bit-mapped | |
|
Description: |
Connect message display. | |
| Value |
Function | |
| » S41=0 |
Connect with DTE speed. | |
| S41=1 |
Connect with carrier, protocol, and compression. | |
| S41=2 |
Connect with DCE speed. | |
|
BIT-MAPPED REGISTER S44 | |||
|
Format |
AT [cmds] S44=n [cmds] | ||
|
Example: |
AT S44=23 <CR> | ||
|
Default: |
23 | ||
|
Range: |
0 - 23 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Selects V.42 status, V.42bis, and fallback. | ||
|
Bit | Value |
Function | |
|
0 | 0 » 1 |
V.42bis status disabled. V.42bis status enabled. | |
|
2, 1 | 00 01 10 » 11 |
V.42bis disabled. V.42bis when transmitting enabled. V.42bis when receiving enabled. V.42bis when transmitting/receiving enabled. | |
|
3 | 0 |
Not used. | |
|
4 | 0 » 1 |
Fallback disabled. Fallback enabled. | |
|
7, 6, 5 | 0 |
Not used. | |
|
BIT-MAPPED REGISTER S48 | |
|
Type: |
Register |
|
Format: |
AT [cmds] S48=n [cmds] |
|
Example: |
AT S48=0 <CR> |
|
Description: |
Sets auto-reliable buffer. |
| Command |
Function |
| » S48=0 |
Data is discarded. |
| S48=1 |
Data is buffered. |
| S48=2 |
Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character. |
|
BIT-MAPPED REGISTER S49 | |
|
Type: |
Register |
|
Format: |
AT [cmds] S49=n [cmds] |
|
Example: |
AT S49=255 <CR> |
|
Description: |
Set maximum block size. |
| Command |
Function |
| S49=32 |
Maximum MNP block size is 32 characters. |
| S49=63 |
Maximum MNP block size is 64 characters. |
| S49=127 |
Maximum MNP block size is 128 characters. |
| S49=191 |
Maximum MNP block size is 192 characters. |
| » S49=255 |
Maximum MNP block size is 256 characters. |
|
BIT-MAPPED REGISTER S51 | |||
|
Format |
AT [cmds] S51=n [cmds] | ||
|
Example: |
AT S51=40 <CR> | ||
|
Default: |
3 | ||
|
Range: |
0 - 115 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
selects flow control, | ||
|
Bit | Value |
Function | |
|
2, 1, 0 | 000 001 010 » 011 |
Flow control disabled. XON/XOFF flow control enabled. CTS flow control to DTE enabled. RTS/CTS flow control enabled. | |
|
3 |
0 |
Not used. | |
|
4 | » 0 1 |
Flow control disabled. Flow control to XON/XOFF flow enabled. | |
|
5 | » 0 1 |
Serial speed locked. Serial speed follows connect speed. | |
|
7, 6 | » 0 1 |
XON/XOFF signals trapped by local modem. XON/XOFF passed through local modem. | |
|
BIT-MAPPED REGISTER S54 | |||
|
Format |
AT [cmds] S54=n [cmds] | ||
|
Example: |
AT S54=69 <CR> | ||
|
Default: |
0 | ||
|
Range: |
0 - 255 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Selects the communication protocol for data calls, and protocol result code. | ||
|
Bit | Value |
Function | |
|
0 | » 0 1 |
B2 is enabled. B2 is not enabled. | |
|
1 | » 0 1 |
B3 is enabled B3 is not enabled. | |
|
6 - 2 | 0 |
Not used. | |
|
7 | » 0 1 |
Protocol result code disabled. Protocol result code enabled. | |
|
BREAK SEND | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Bn [cmds] |
|
Example: |
AT \B3 &W <CR> |
|
Range: |
1-9 |
|
Unit: |
.1 second |
|
Description: |
Sends break to modem. |
|
BREAK TYPE | |||||
|
Type: |
Configuration | ||||
|
Format: |
AT [cmds] \Kn [cmds] | ||||
|
Example: |
AT \K1 <CR> | ||||
|
Description: |
Configures action of break signal. | ||||
|
Command |
Break from DTE Reliable/Normal mode |
Break from DTE Direct mode |
Modem receives \B |
Break from remote modem | |
| \K0 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Buffers cleared and break sent to remote modem. |
Buffers cleared and break sent to DTE. | |
| \K1 |
Buffers cleared and break sent to remote modem. |
Send break to remote modem immediately. |
Buffers cleared and break sent to remote modem. |
Buffers cleared and break sent to DTE. | |
| \K2 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Send break to remote modem immediately. |
Send break to DTE immediately. | |
| \K3 |
Send break to remote modem immediately. |
Send break to remote modem immediately. |
Send break to remote modem immediately. |
Send break to DTE immediately. | |
| \K4 |
Enter command mode, do not send break to remote modem. |
Send break to remote modem immediately, then enter command mode. |
Send break to remote modem with transmitted data. |
Break sent with received data to the DTE. | |
| » \K5 |
Send break with transmitted data. |
Send break to remote modem immediately. |
Send break to remote modem with transmitted data. |
Break sent with received data to the DTE. | |
|
BTLZ STRING LENGTH | |
|
Type: |
Register |
|
Format: |
AT [cmds] S58=n [cmds] |
|
Example: |
AT S58=32 <CR> |
|
Default: |
32 |
|
Range: |
6 - 64 |
|
Unit: |
Bit-mapped |
|
Description: |
Selects BTLZ string length. |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT %Cn |
|
Example: |
AT &J1 %C1 \Q0 <CR> |
|
Description: |
Selects data compression. |
|
Command |
Function |
| %C0 |
Data compression disabled. |
| » %C1 |
Data compression enabled. |
|
CONNECT MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Nn [cmds] |
|
Example: |
AT \N1 DT555-1212 <CR> |
|
Description: |
Sets connect mode. |
| Command |
Function |
| \N0 |
Normal mode enabled. |
| \N1 |
Direct mode enabled. |
| \N2 |
MNP reliable mode enabled. |
| » \N3 |
LAP-M, MNP, or Normal mode enabled. |
| \N4 |
LAP-M mode with fallback to MNP enabled. |
| \N5 |
LAP-M mode enabled. |
|
DIGITAL LINE CURRENT SENSING | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] ~~Ln [cmds] |
|
Example: |
AT ~~L1 &W <CR> |
|
Description: |
Controls the digital line current sensing. |
| Command |
Function |
|
~~L0 |
Digital line current sensing disable. |
|
~~L1 |
Digital line current sensing enable. |
|
DIGITAL LINE OVER-CURRENT SENSING | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] ~~S=n [cmds] |
|
Example: |
AT ~~S= 4 <CR> |
|
Default: |
4 |
|
Range: |
0 - 9 |
|
Unit: |
1 ms |
|
Description: |
Sets the over-current sense time condition. |
|
DISPLAY LINE OVER-CURRENT SENSE TIME | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] ~~S? [cmds] |
|
Example: |
AT ~~S? &W <CR> |
|
Description: |
Displays current over-current sense time in milliseconds. |
|
DTE RATE STATUS | |
|
Type: |
Register |
|
Format: |
AT [cmds] S62=n [cmds] |
|
Example: |
AT S62=16 <CR> |
|
Description: |
Selects DTE rate. |
| Command |
Function |
|
0 |
300 bps. |
|
1 |
600 bps. |
|
2 |
1200 bps. |
|
3 |
2400 bps. |
|
4 |
4800 bps. |
|
5 |
7200 bps. |
|
6 |
9600 bps. |
|
7 |
12Kbps. |
|
8 |
14.4Kbps. |
|
9 |
16.8Kbps. |
|
10 |
19.2Kbps. |
|
11 |
21.6Kbps. |
|
12 |
24Kbps. |
|
13 |
26.4Kbps. |
|
14 |
28.8Kbps. |
|
15 |
38.4Kbps. |
| » 16 |
57.6Kbps. |
|
17 |
115.2Kbps. |
|
FAX/DATA MODE | |
|
Type: |
Register |
|
Format: |
AT [cmds] S50=n [cmds] |
|
Example: |
AT S50=0 &W <CR> |
|
Description: |
Choose data or FAX mode. |
| Command |
Function |
| » 0 |
Data mode enabled. |
| 1 |
FAX mode enabled. |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Gn [cmds] |
|
Example: |
AT G1 &K3 <CR> |
|
Description: |
Selects modem port flow control. |
| Command |
Function |
| » \G0 |
Flow control disabled. |
| \G1 |
Flow control to XON/XOFF flow enabled. |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Kn [cmds] |
|
Example: |
AT &G1 &K3 <CR> |
|
Description: |
Sets type of flow control used by modem. |
| Command |
Function |
| &K0 |
Flow control disabled. |
| &K1 |
Not used. |
| &K2 |
Not used. |
| » &K3 |
CTS/RTS flow control enabled. |
| &K4 |
XON/XOFF pass-through flow control enabled. |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Qn [cmds] |
|
Example: |
AT \Q0 A <CR> |
|
Description: |
Sets type of flow control used by modem. |
| Command |
Function |
| \Q0 |
Flow control disabled. |
| \Q1 |
XON/XOFF flow control enabled. |
| \Q2 |
CTS flow control to DTE enabled. |
| » \Q3 |
RTS/CTS flow control enabled. |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S52=n [cmds] |
|
Example: |
AT &G1 S52=3 <CR> |
|
Description: |
Sets type of flow control used by modem. |
| Command |
Function |
| S52=0 |
Flow control disabled. |
| S52=1 |
Not used. |
| S52=2 |
Not used. |
| » S52=3 |
CTS/RTS flow control enabled. |
| S52=4 |
XON/XOFF pass-through flow control enabled. |
|
FORCED SLEEP TIMER | |
|
Format |
AT [cmds] S47=n [cmds] |
|
Example: |
AT S47=100 <CR> |
|
Default: |
10 |
|
Range: |
0 - 255 |
|
Unit: |
100 ms |
|
Description: |
Specifies duration of DTE and DCE inactivity allowed prior to initiating sleep mode; This is used as a forced powerdown mode for PCMCIA. |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format: |
AT [cmds] \Tn [cmds] |
|
Example: |
AT \T20 <CR> |
|
Default: |
0 |
|
Range: |
0 - 90 |
|
Unit: |
1 minute |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
|
INACTIVITY TIMER VALUE | |
|
Format |
AT [cmds] S30=n [cmds] |
|
Example: |
AT S30=0 <CR> |
|
Default: |
0 |
|
Range: |
0 - 90 |
|
Unit: |
Minutes. |
|
Description: |
Inactivity timer value. |
|
LOCAL SERIAL PORT SPEED | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S72=n [cmds] |
|
Example: |
AT S72=16 *OS0 *SC1 <CR> |
|
Description: |
Sets serial port speed. |
|
Command |
Function |
| » S72=0 |
Sets speed automatically. |
| S72=1 |
Sets 300bps speed. |
| S72=2 |
Sets 600bps speed. |
| S72=3 |
Sets 1200bps speed. |
| S72=4 |
Sets 2400bps speed. |
| S72=5 |
Sets 4800bps speed. |
| S72=6 |
Sets 7200bps speed. |
| S72=7 |
Sets 9600bps speed. |
| S72=8 |
Sets 12Kbps speed. |
| S72=9 |
Sets 14.4Kbps speed. |
| S72=10 |
Sets 16.8Kbps speed. |
| S72=11 |
Sets 19.2Kbps speed. |
| S72=12 |
Sets 21.6Kbps speed. |
| S72=13 |
Sets 24Kbps speed. |
| S72=14 |
Sets 26.4Kbps speed. |
| S72=15 |
Sets 28.8Kbps speed. |
| S72=16 |
Sets 38.4Kbps speed. |
| S72=17 |
Sets 57.6Kbps speed. |
| S72=18 |
Sets 115.2Kbps speed. |
|
LOCK SERIAL PORT | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Jn [cmds] |
|
Example: |
AT %L3 %B14 \J0<CR> |
|
Description: |
Sets operation of serial port speed. |
| Command |
Function |
| » \J0 |
Serial speed locked. |
| \J1 |
Serial speed follows connect speed. |
|
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \An [cmds] |
|
Example: |
AT \A3 %C1 <CR> |
|
Description: |
Sets the maximum transmittable block size. |
| Command |
Function |
| \A0 |
Maximum MNP block size is 64 characters. |
| \A1 |
Maximum MNP block size is 128 characters. |
| \A2 |
Maximum MNP block size is 192 characters. |
| » \A3 |
Maximum MNP block size is 256 characters. |
| \A4 |
Maximum MNP block size is 32 characters. |
|
MNP OPTIONS | |||
|
Format |
AT [cmds] S59=n [cmds] | ||
|
Example: |
AT S59=0 <CR> | ||
|
Default: |
1 | ||
|
Range: |
0 - 1 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Selects MNP5 status. | ||
|
Bit | Value |
Function | |
|
0 | 0 » 1 |
Data compression disabled. Data compression enabled. | |
|
MODEM OPERATING MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S53=n [cmds] |
|
Example: |
AT S53=3 <CR> |
|
Description: |
Sets connect mode. |
| Command |
Function |
| S53=0 |
Normal mode enabled. |
| S53=1 |
Direct mode enabled. |
| S53=2 |
MNP reliable mode enabled. |
| » S53=3 |
LAP-M, MNP, or Normal mode enabled. |
| S53=4 |
LAP-M mode with fallback to MNP enabled. |
| S53=5 |
LAP-M mode enabled. |
|
PROTOCOL/SPEED | |
|
Type: |
Register |
|
Format: |
AT [cmds] S37n [cmds] |
|
Example: |
AT S37=0 <CR> |
|
Description: |
Selects the current DCE speed. |
|
Command |
Function |
|
S37=0 |
Select last ATspeed. |
|
S37=3 |
Select 300bps speed. |
|
S37=5 |
Select 1200bps speed. |
|
S37=6 |
Select 2400bps speed. |
|
S37=7 |
Select 4800bps speed. |
|
S37=8 |
Select 7200bps speed. |
|
S37=9 |
Select 9600bps speed. |
|
S37=10 |
Select 12Kbps speed. |
|
S37=11 |
Select 14.4Kbps speed. |
|
S37=12 |
Select 16.8Kbps speed. |
|
S37=13 |
Select 19.2Kbps speed. |
|
S37=14 |
Select 21.6Kbps speed. |
|
S37=15 |
Select 24Kbps speed. |
|
S37=16 |
Select 26.4Kbps speed. |
|
S37=17 |
Select 28.8Kbps speed. |
|
PROTOCOL RESULT CODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Vn [cmds] |
|
Example: |
AT \V0 Q0 <CR> |
|
Description: |
\V responds when conjunction with W0 and W2 commands. |
| Command |
Function |
| \V1 |
Protocol result code disabled. |
| » \V0 |
Protocol result code enabled. |
|
ROOT FIRMWARE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] -V [cmds] |
|
Example: |
AT -V &W <CR> |
|
Description: |
Displays base firmware version information. |
|
ROUND TRIP DELAY | |
|
Type: |
Register |
|
Format: |
AT [cmds] S65=n [cmds] |
|
Example: |
AT S65=1 <CR> |
|
Default: |
Unidentified |
|
Range: |
Unidentified |
|
Unit: |
100 ms |
|
Description: |
Sets the round trip delay. |
|
TEST MODES | |||
|
Format |
AT [cmds] S16=n [cmds] | ||
|
Example: |
ATS16=40 <CR> | ||
|
Default: |
0 | ||
|
Range: |
0-127 | ||
|
Unit: |
Bit-mapped | ||
|
Description: |
Controls loopback tests, analog, digital, remote digital, and self tests. | ||
|
Bit |
Value |
Function | |
|
0 | » 0 1 |
Local analog loopback not in progress. Local analog loopback in progress. | |
|
1 | 0 |
Not used. | |
|
2 | » 0 1 |
Local digital loopback not in progress. Local digital loopback in progress. | |
|
3 | » 0 1 |
Modem not in remote digital loopback. Remote digital loopback in progress. | |
|
4 | » 0 1 |
Remote digital loopback not requested. Remote digital loopback requested. | |
|
5 | » 0 1 |
Remote digital loopback with self-test not in progress. Remote digital loopback with self-test in progress. | |
|
6 | » 0 1 |
Local analog loopback with self-test not in progress. Local analog loopback with self-test in progress. | |
|
V.32 AUTO-RETRAIN | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Bn [cmds] |
|
Example: |
AT &B1 &W <CR> |
|
Description: |
Selects action the modem will take during bad line quality on V.32/32bis connection. |
| Command |
Function |
|
%B0 |
Auto-retrain disabled, hang up. |
|
%B1 |
Auto-retrain on line quality problem enabled; Hang-up after S7 threshold exceeded. |
|
%B2 |
Modem ignores line quality problems. |
|
V.32 RETRAIN | |
|
Type: |
Register |
|
Format: |
AT [cmds] S42=n [cmds] |
|
Example: |
AT S42=1 <CR> |
|
Default: |
1 |
|
Range: |
0 - 2 |
|
Unit: |
Bit-mapped |
|
Description: |
Selects action the modem will take during bad line quality on V.32/32bis connection. |
| Command |
Function |
| S42=0 |
Auto-retrain disabled, hang up. |
| » S42=1 |
Auto-retrain on line quality problem enabled. |
| S42=2 |
Modem ignores line quality problems. |
|
V.42 DETECTION PHASE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] -Jn [cmds] |
|
Example: |
AT -J1 &W <CR> |
|
Description: |
Controls V.42 detection. |
| Command |
Function |
| -J0 |
V.42 detection disabled. |
| » -J1 |
V.42 detection enabled. |
|
V.42bis COMPRESSION CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] "Hn [cmds] |
|
Example: |
AT "H3 &W <CR> |
|
Description: |
Controls V.42bis data compression |
| Command |
Function |
| "H0 |
V.42bis disabled. |
| "H1 |
V.42bis when transmitting enabled. |
| "H2 |
V.42bis when receiving enabled. |
| » "H3 |
V.42bis when transmitting/receiving enabled. |
|
V.42bis DICTIONARY SIZE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] "Nn [cmds] |
|
Example: |
AT "N2 &W <CR> |
|
Description: |
Controls V.42 dictionary size. |
| Command |
Function |
| "N0 |
512 bytes. |
| "N1 |
1024 bytes. |
| » "N2 |
1536 bytes. |
|
V.42bis DICTIONARY SIZE | |
|
Type: |
Register |
|
Format: |
AT [cmds] S57=n [cmds] |
|
Example: |
AT S57=2 <CR> |
|
Description: |
Selects V.42bis dictionary size. |
| Command |
Function |
| S57=0 |
512 bytes. |
| S57=1 |
1024 bytes. |
| » S57=2 |
1536 bytes. |
|
V.42bis MAXIMUM STRING LENGTH | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] "O=n [cmds] |
|
Example: |
AT "O=32 <CR> |
|
Default: |
32 |
|
Range: |
6 - 64 |
|
Unit: |
Unidentified |
|
Description: |
Selects string size for V.42bis compression. |
|
XON/XOFF PASS-THROUGH | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Xn [cmds] |
|
Example: |
AT \X7 O <CR> |
|
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. |