NEW MEDIA CORPORATION
28.8 NETSURFER
Card Type |
Modem (synchronous/asynchronous) |
Chipset |
Unidentified |
Maximum Data Rate |
28.8Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Modulation |
Unidentified |
Fax Modulation |
Unidentified |
Error Correction/Compression |
MNP5, V.42, V.42bis |
Fax Class |
Class I |
Data Bus |
PCMCIA Type II |
53574
SUPPORTED STANDARD COMMANDS |
Basic AT Commands |
+++, comma, A/ |
A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Z |
&C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z |
Extended AT Commands |
\A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X |
%A, %C, %G |
Special AT Commands |
"H, -J, "N, "O |
S-Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26 |
S27, S30 |
Note: See MHI help file for complete information. |
UNIDENTIFIED COMMANDS | |
Command |
Default |
S54 |
0 |
S65 |
Unidentified |
Proprietary AT Command Set
AUTO-RELIABLE FALLBACK CHARACTER | |
Type: |
Register |
Format: |
AT [cmds] S43=n [cmds] |
Default: |
1 |
Range: |
0 - 127 |
Unit: |
1 ASCII character |
Description: |
Sets the character used as the auto-reliable fallback character; S43=0 will disable this function. |
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
Type: |
Register |
Format: |
AT [cmds] S48=n [cmds] |
Description: |
Controls the handling of incoming data during the auto-reliable negotiation time period. |
Command |
Function |
S48=0 |
Data is discarded. |
S48=1 |
Data is buffered for 4 seconds or 200 characters. |
S48=2 |
Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character. |
AUTOSYNC OPTIONS | ||
Type: |
Register | |
Format |
AT [cmds] S19=n [cmds] | |
Default: |
26 | |
Range: |
0 - 30 | |
Description: |
Controls AutoSync protocol, HDLC address detection, bit coding type, and HDLC idle. | |
Bit |
Value |
Function |
0 |
0 |
Not used |
1 |
0 í 1 |
Binary synchronous protocol used. HDLC protocol used. |
2 |
í 01 |
HDLC address detection disabled. HDLC address detection enabled. |
3 |
0 í 1 |
NRZI bit coding used. NRZ bit coding used. |
4 |
0 í 1 |
HDLC idle sends MARK. HDLC idle sends FLAG or SYNC. |
AUTOSYNC HDLC ADDRESS | |
Type: |
Register |
Format: |
AT [cmds] S20=n [cmds] |
Default: |
0 |
Range: |
0-255 |
Unit: |
Unidentified |
Description: |
Sets the HDLC address and binary synchronous character. |
BIT-MAPPED REGISTER S40 | |||||
Format: |
AT [cmds] S40=n [cmds] | ||||
Default: |
77 | ||||
Range: |
12 - 77 | ||||
Description: |
Controls automode connection and V.42 detection phase. | ||||
Bit |
Value |
Function | |||
0 |
0 í 1 |
Automode connection disabled. Automode connection enabled. | |||
5 - 1 |
00110 |
Not used. | |||
6 |
0 í 1 |
V.42 detection phase disabled. V.42 detection phase enabled. |
BIT-MAPPED REGISTER S44 | |||||
Format: |
AT [cmds] S44=n [cmds] | ||||
Default: |
7 | ||||
Range: |
0 - 23 | ||||
Description: |
Controls V.42bis and auto-fallback/fall-forward. | ||||
Bit |
Value |
Function | |||
0 |
0 í 1 |
V.42bis disabled. V.42bis enabled. | |||
2, 1 |
00 01 10 í 11 |
V.42bis disabled. V.42bis enabled on transmit only. V.42bis enabled on receive only. V.42bis enabled. | |||
3 |
0 |
Not used. | |||
4 |
í 01 |
Auto-fallback/fall-forward disabled. Auto-fallback/fall-forward enabled. |
BIT-MAPPED REGISTER S51 | |||||
Format: |
AT [cmds] S51=n [cmds] | ||||
Default: |
0 | ||||
Range: |
0 - 115 | ||||
Description: |
Controls flow control, serial port speed, and XON/XOFF trapping. | ||||
Bit |
Value |
Function | |||
1, 0 |
í 0001 10 11 |
Flow control disabled. Bidirectional XON/XOFF flow control enabled. CTS flow control by DCE enabled. Bidirectional RTS/CTS flow control enabled. | |||
3, 2 |
00 |
Not used. | |||
4 |
í 01 |
Modem-to-modem flow control disabled. Modem-to-modem flow control enabled. | |||
5 |
í 01 |
Serial port speed locked. Serial port speed follows connect speed. | |||
6 |
í 01 |
XON/XOFF signals trapped by local modem. XON/XOFF passed through local modem. |
BREAK TYPE | ||||
Type: |
Register | |||
Format: |
AT [cmds] S52=n [cmds] | |||
Description: |
Configures action of break signal. | |||
Command |
Break from DTE |
Modem receives \B |
Break received from remote modem | |
S52=0 |
Online command mode enabled, break not sent to remote modem. |
Break sent to remote modem and buffers cleared. |
Buffers cleared, break sent to DTE. | |
S52=1 |
Break sent to remote modem and buffers cleared. |
Break sent to remote modem and buffers cleared. |
Buffers cleared, break sent to DTE. | |
S52=2 |
Online command mode enabled, break not sent to remote modem. |
Break sent to remote modem immediately. |
Break sent immediately to DTE. | |
S52=3 |
Break sent to remote modem immediately. |
Break sent to remote modem immediately. |
Break sent immediately to DTE. | |
S52=4 |
Online command mode enabled, break not sent to remote modem. |
Break sent with transmitted data. |
Break sent with received data to the DTE. | |
í S52=5 |
Break sent with transmitted data. |
Break sent with transmitted data. |
Break sent with received data to the DTE. |
COMPRESSION | |
Type: |
Register |
Format: |
AT [cmds] S59=n [cmds] |
Description: |
Selects whether the modem will use data compression. |
Command |
Function |
S59=0 |
Data compression disabled |
í S59=1 |
Data compression enabled. |
CONNECT MODE | |
Type: |
Register |
Format: |
AT [cmds] S53=n [cmds] |
Description: |
Controls the type of connection the modem will make. |
Command |
Function |
S53=0 |
Normal mode enabled. |
S53=1 |
Direct mode enabled. |
S53=2 |
MNP reliable mode enabled. |
í S53=3 |
Auto-reliable mode or MNP auto-reliable mode enabled. |
S53=4 |
V.42 reliable mode enabled. |
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. |
I2 |
Tests and displays ROM checksum result. |
I3 |
Displays firmware components. |
I4 |
Displays feature bitmap. |
DISPLAY VERSION | |
Type: |
Immediate |
Format: |
AT [cmds] -V [cmds] |
Description: |
Displays version number. |
EPROM CHECKSUM | |
Type: |
Register |
Format: |
AT [cmds] S99? [cmds] |
Description: |
Displays the checksum for the EPROM. |
EXTENDED RESULT CODES | |
Type: |
Register |
Format: |
AT [cmds] S41=n [cmds] |
Description: |
Enables selection of additional result codes when S95=0; otherwise, S95 takes precedence. |
Command |
Function |
í S41=0 |
Enables CONNECT result codes to report DTE speed. |
S41=1 |
Enables CONNECT result codes to report DTE speed, modulation type, and compression type. |
S41=2 |
Enables CONNECT result codes to report DCE speed. |
LOCAL SERIAL PORT SPEED | |
Type: |
Register |
Format: |
AT [cmds] S62=n [cmds] |
Description: |
Sets the speed of the local serial port. |
Command |
Function |
S62=0 |
Set speed to 300bps. |
S62=1 |
Set speed to 600bps. |
S62=2 |
Set speed to 1200bps. |
S62=3 |
Set speed to 2400bps. |
S62=4 |
Set speed to 4800bps. |
S62=5 |
Set speed to 7200bps. |
S62=6 |
Set speed to 9600bps. |
S62=7 |
Set speed to 12Kbps. |
S62=8 |
Set speed to 14.4Kbps. |
S62=9 |
Set speed to 16.8Kbps. |
S62=10 |
Set speed to 19.2Kbps. |
S62=11 |
Set speed to 21.6Kbps. |
S62=12 |
Set speed to 24Kbps. |
S62=13 |
Set speed to 26.4Kbps. |
S62=14 |
Set speed to 28.8Kbps. |
S62=15 |
Set speed to 38.4Kbps. |
í S62=16 |
Set speed to 57.6Kbps. |
S62=17 |
Set speed to 115.2Kbps. |
LOCAL SERIAL PORT SPEED - DATA TRANSFER | |
Type: |
Register |
Format: |
AT [cmds] S72=n [cmds] |
Description: |
Sets the speed of the local serial port during data transfer. |
Command |
Function |
í S72=0 |
Use last autobaud speed. |
S72=1 |
Set speed to 300bps. |
S72=2 |
Set speed to 600bps. |
S72=3 |
Set speed to 1200bps. |
S72=4 |
Set speed to 2400bps. |
S72=5 |
Set speed to 4800bps. |
S72=6 |
Set speed to 7200bps. |
S72=7 |
Set speed to 9600bps. |
S72=8 |
Set speed to 12Kbps. |
S72=9 |
Set speed to 14.4Kbps. |
S72=10 |
Set speed to 16.8Kbps. |
S72=11 |
Set speed to 19.2Kbps. |
S72=12 |
Set speed to 21.6Kbps. |
S72=13 |
Set speed to 24Kbps. |
LOCAL SERIAL PORT SPEED - DATA TRANSFER (CON'T) | |
Command |
Function |
S72=14 |
Set speed to 26.4Kbps. |
S72=15 |
Set speed to 28.8Kbps. |
S72=16 |
Set speed to 38.4Kbps. |
S72=17 |
Set speed to 57.6Kbps. |
S72=18 |
Set speed to 115.2Kbps. |
LINE SPEED | |
Type: |
Register |
Format |
AT [cmds] S37=n [cmds] |
Description: |
Sets the maximum allowable data exchange rate attempted during handshake process. |
Command |
Function |
í S37=0 |
Speed of last AT command. |
S37=3 |
Set speed to 300bps. |
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=12 |
Set speed to 16.8Kbps. |
S37=13 |
Set speed to 19.2Kbps. |
S37=14 |
Set speed to 21.6Kbps. |
S37=15 |
Set speed to 24Kbps. |
S37=16 |
Set speed to 26.4Kbps. |
S37=17 |
Set speed to 28.8Kbps. |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: |
Register |
Format: |
AT [cmds] S49=n [cmds] |
Description: |
Sets the maximum transmittable block size in MNP mode. |
Command |
Function |
S49=0 |
Maximum MNP block size is 64 characters. |
S49=1 |
Maximum MNP block size is 128 characters. |
S49=2 |
Maximum MNP block size is 192 characters. |
S49=3 |
Maximum MNP block size is 256 characters. |
MODE OF OPERATION | |
Type: |
Register |
Format: |
AT [cmds] S50=n [cmds] |
Description: |
Selects whether the modem will operate in data or fax mode. |
Command |
Function |
í S50=0 |
Modem is in data mode. |
S50=1 |
Modem is in fax mode. |
ON-LINE | |
Type: |
Immediate |
Format: |
AT [cmds] On |
Description: |
Instructs the modem to return to 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 negotiate 2400bps connection. |
O4 |
Return to on-line state and negotiate 4800bps connection. |
O5 |
Return to on-line state and negotiate 7200bps connection. |
O6 |
Return to on-line state and negotiate 9600bps connection. |
O7 |
Return to on-line state and negotiate 12Kbps connection. |
O8 |
Return to on-line state and negotiate 14.4Kbps connection. |
O9 |
Return to on-line state and negotiate 16.8Kbps connection. |
O10 |
Return to on-line state and negotiate 19.2Kbps connection. |
O11 |
Return to on-line state and negotiate 21.6Kbps connection. |
O12 |
Return to on-line state and negotiate 24Kbps connection. |
O13 |
Return to on-line state and negotiate 26.4Kbps connection. |
O14 |
Return to on-line state and negotiate 28.8Kbps connection. |
PROFILE ON POWER-UP | |
Type: |
Register |
Format: |
AT [cmds] S98=n [cmds] |
Description: |
Selects the profile to restore into the active profile on power-up. |
Command |
Function |
í S98=0 |
Restore profile 0 on power-up. |
S98=1 |
Restore profile 1 on power-up. |
SLEEP TIMER | |
Type: |
Register |
Format |
AT [cmds] S46=n [cmds] |
Default: |
255 |
Range: |
0-255 |
Unit: |
.1 second |
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. Setting S46 to 255 disables this feature. |
SLEEP TIMER - FORCED | |
Type: |
Register |
Format |
AT [cmds] S47=n [cmds] |
Default: |
255 |
Range: |
0-255 |
Unit: |
.1 second |
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to forcing low-power sleep and power-down mode. Setting S47 to 255 disables this feature. |
V.32 AUTO-RETRAIN | |
Type: |
Configuration |
Format: |
AT [cmds] &Bn [cmds] |
Description: |
Controls auto-retrain function if poor line quality is detected. |
Command |
Function |
í &B0 |
Auto-retrain disabled, modem hangs up. |
&B1 |
Auto-retrain enabled, modem hangs up if retrain fails. |
&B2 |
Auto-retrain disabled, modem does not hang up. |
V.32 AUTO-RETRAIN | |
Type: |
Register |
Format: |
AT [cmds] S42=n [cmds] |
Description: |
Controls auto-retrain function if poor line quality is detected. |
Command |
Function |
í S42=0 |
Auto-retrain disabled, modem hangs up. |
S42=1 |
Auto-retrain enabled, modem hangs up if retrain fails. |
S42=2 |
Auto-retrain disabled, modem does not hang up. |
V.42 STRING LENGTH | |
Type: |
Register |
Format: |
AT [cmds] S58=n [cmds] |
Default: |
32 |
Range: |
6 - 64 |
Unit: |
1 byte |
Description: |
Selects V.42 string length. |
V.42bis DICTIONARY SIZE | |
Type: |
Configuration |
Format: |
AT [cmds] S57=n [cmds] |
Description: |
Selects the size of the V.42bis dictionary. |
Command |
Function |
S57=0 |
512 byte dictionary selected. |
S57=1 |
1024 byte dictionary selected. |
S57=2 |
1536 byte dictionary selected. |