SIMPLE TECHNOLOGY, INC.
28.8 COMMUNICATOR
Card Type | Modem (asynchronous) |
Chipset | Unidentified |
I/O Options | Voice |
Maximum Data Rate | 28.8Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Modulation | Bell 103A, 212A ITU-T V.21, V.22bis V.23, V.32, V.32bis, V.34 |
Fax Modulation | ITU-T V.17, V.27ter, V.29 |
Error Correction/Compression | MNP5, MNP10EC, V.42, V.42bis |
Fax Class | Class I & II |
Data Bus | PCMCIA Type II |
SIMPLE-TECHNOLOGY-INC-Modem-asynchronous-28-8-COMM
SUPPORTED STANDARD COMMANDS |
Basic AT Commands |
+++, ‘comma’, A/ |
A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z |
&C, &D, &F, &G, &K, &P, &Q, &R, &S, &T, &V, &W, &Y, &Z |
Extended AT Commands |
\A, \B, \G, \J, \K, \L, \N |
%C, %E, %L, %Q |
Special AT Commands |
:E, *H, -K, )M, @M, -Q |
S-Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25 |
S27, S29, S30, S31, S32, S33, S36, S38, S46, S48, S82, S86, S95, S201 |
Note: See MHI help file for complete information. |
Proprietary AT Command Set
BIT-MAPPED REGISTER S40 | |||||
Format: | AT [cmds] S40? [cmds] | ||||
Default: | Read-only | ||||
Range: | 0 - 238 | ||||
Description: | Controls MNP10 negotiation and power level adjustment, break type, and MNP block size. | ||||
Bit | Value | Function | |||
1, 0 | 00 01 10 | MNP10 disabled. MNP10 enabled. MNP10 enabled; MNP10 used in answer mode only if remote modem specifically requests it. | |||
2 | 0 1 | MNP10 power level adjustment disabled. MNP10 power level adjustment enabled. | |||
5 - 3 | 000 001 010 011 100 101 | \K0 set. \K1 set. \K2 set. \K3 set. \K4 set. \K5 set. | |||
7, 6 | 00 01 10 11 | MNP block size is 64 characters. MNP block size is 128 characters. MNP block size is 192 characters. MNP block size is 256 characters. |
BIT-MAPPED REGISTER S41 | ||
Format | AT [cmds] S41? [cmds] | |
Default: | Read-only | |
Range: | 0 - 219 | |
Description: | Selects compression, auto-retrain, flow control, MNP type, and low-speed MNP10. | |
Note: | Be aware that bit 6 is out of order. | |
Bit | Value | Function |
1, 0 | 00 01 10 11 | Data compression disabled. MNP5 enabled. V.42bis enabled. MNP5 and V.42bis enabled. |
6, 2 | 00 01 10 | Auto-retrain disabled. Auto-retrain enabled. Auto-fallback/fall-forward enabled. |
3 | 0 1 | Flow control disabled. Flow control enabled. |
4 | 0 1 | Stream mode for MNP. Block mode for MNP. |
5 | 0 | Not used. |
7 | 0 1 | MNP10 at 2400 and 1200bps disabled. MNP10 at 2400 and 1200bps enabled. |
DIAL | |
Type: | Immediate |
Format: | AT [cmds] D <#>;[cmds] |
Description: | Dials the telephone number indicated according to any modifiers included in the string. |
Command | Function |
DJ | MNP10 link will be negotiated at 1200bps for this call. |
DK | MNP10 power level adjustment enabled for this call. |
DL | Re-dial last number. |
DP | Pulse dialing enabled. |
DS=n | Dial stored telephone number n. |
DT | Tone dialing enabled. |
DW | Dialing resumed following dial tone detection. |
D, | Dialing paused for amount of time specified in S8 register. |
D! | Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. |
D@ | Wait for Quiet Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string. |
D& | Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command. |
D^ | Calling tone disabled for this call. |
D; | Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
DISPLAY INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested about the modem. |
Command | Function |
I0 | Displays product identification code. |
I1 | Displays ROM checksum. |
I3 | Displays firmware revision. |
I4 | Displays modem identifier. |
I5 | Displays country code. |
I6 | Displays data pump version. |
I7 | Displays DAA code. |
FLOW CONTROL | |
Type: | Register (read-only) |
Format | AT [cmds] S39? [cmds] |
Description: | Displays the current flow control. |
Value | Meaning |
0 | Flow control disabled. |
3 | RTS/CTS flow control enabled. |
4 | XON/XOFF flow control enabled. |
5 | Transparent XON/XOFF flow control enabled. |
6 | XON/XOFF and RTS/CTS flow control enabled. |
LINE SPEED | |
Type: | Register |
Format: | AT [cmds] S37=n [cmds] |
Description: | Sets the maximum allowable data exchange rate attempted during the handshaking process. |
Command | Function |
í S37=0 | Attempt to connect at fastest common speed. |
S37=1 | Set speed to 300bps. |
S37=2 | Set speed to 300bps. |
S37=3 | Set speed to 300bps. |
S37=5 | Set speed to 1200bps. |
S37=6 | Set speed to 2400bps. |
S37=7 | Attempt to connect with V.23. |
S37=8 | Set speed to 4800bps. |
S37=9 | Set speed to 9600bps. |
S37=10 | Set speed to 12Kbps. |
S37=11 | Set speed to 14.4Kbps. |
S37=12 | Set speed to 7200bps. |
MNP10 LINK NEGOTIATION | |
Type: | Register (read-only) |
Format: | AT [cmds] S28? [cmds] |
Description: | Sets the speed at which MNP10 link negotiation will occur. |
Command | Function |
S28=0 | Link will be negotiated at highest possible speed. |
S28=64 | Link will be negotiated at 1200bps. |
S28=128 | Link will be negotiated at 4800bps. |