LINKSYS
PCMCIA LAN MODEM CARD
|
Card Type |
Fax, Modem (synchronous/asynchronous), Network Interface Card |
|
Chip Set |
AT&T |
|
I/O Options |
Ethernet 10BaseT connector, |
|
NIC Type |
Ethernet |
|
Network Transfer Rate |
10Mbps |
|
Maximum Modem Rate |
28.8Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Bus |
PCMCIA Type II |
|
Fax Class |
Class I |
|
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.23, V.34 |
|
Fax Modulation Protocol |
V.17 |
|
Error Correction/Compression |
MNP4-5, V.42, V.42bis |
|
Topology |
Star |
|
Wiring Type |
Unshielded twisted pair |
|
Boot ROM |
Not available |
V2109
Proprietary AT Command Set
|
COMMUNICATION PROTOCOLS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Bn [cmds] |
|
Description: |
Selects the communication protocol for data calls |
|
Note: |
The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. |
|
Command |
Protocol |
|
B0 |
ITU-T V.22 at 1200bps or V.21 at 300 |
|
B1 |
Bell 212A at 1200bps or Bell 103 at 300 |
|
B2 |
V.23 selection, in originate mode and receive at 1200bps, transmit at 75bps; in answer mode, receive at 75bps and transmit at 1200bps |
|
B3 |
V.23 selection, in originate mode receive at 75bps and transmit at 1200bps; in answer mode receive at 1200bps and transmit at 75bps |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Mn [cmds] |
|
Description: |
Selects communications mode |
|
Command |
Mode |
|
&M0 |
Asynchronous mode |
|
&M1 |
Synchronous connect mode and asynchronous off-line command mode. |
|
&M2 |
Synchronous connect mode and asynchronous off-line command mode and set DTR high. |
|
&M3 |
Synchronous connect mode, manual dial with talk/data switching |
|
&M4 |
Hayes Auto -Synchronous mode |
|
CONFIGURATION PROFILES | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] &Vn [cmds] |
|
Description: |
Displays active, stored configuration profiles, and stored telephone numbers |
|
Command |
Function |
|
&V0 |
Displays for profile 0 |
|
&V1 |
Displays for profile 1 |
|
DCE 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 connection |
|
S37=3 |
300bps |
|
S37=5 |
1200bps |
|
S37=6 |
2400bps |
|
S37=7 |
4800bps |
|
S37=8 |
7200bps |
|
S37=9 |
9600bps |
|
S37=10 |
12.0Kbps |
|
S37=11 |
14.4Kbps |
|
S37=12 |
16.8Kbps |
|
S37=13 |
19.2Kbps |
|
S37=14 |
21.6Kbps |
|
S37=15 |
24.0Kbps |
|
S37=16 |
26.4Kbps |
|
S37=17 |
28.8Kbps |
|
DTE Rate | |
|
Type: |
Register |
|
Format |
AT [cmds] S62=n [cmds] |
|
Description: |
Sets the DTE rate |
|
Command |
Function |
|
S62=0 |
300bps |
|
S62=1 |
600bps |
|
S62=2 |
1200bps |
|
S62=3 |
2400bps |
|
S62=4 |
4800bps |
|
S62=5 |
7200bps |
|
S62=6 |
9600bps |
|
S62=7 |
12.0Kbps |
|
S62=8 |
14.4Kbps |
|
S62=9 |
16.8Kbps |
|
S62=10 |
19.2Kbps |
|
S62=11 |
21.6Kbps |
|
S62=12 |
24.0Kbps |
|
S62=13 |
26.4Kbps |
|
S62=14 |
28.8Kbps |
|
S62=15 |
38.4Kbps |
|
í S62=16 |
57.6Kbps |
|
S62=17 |
115.2Kbps |
|
Dte data transfer speed | |
|
Type: |
Register |
|
Format |
AT [cmds] S72=n [cmds] |
|
Description: |
Sets the DTE rate during data transfer |
|
Command |
Function |
|
í S72=0 |
Last speed in autobaud |
|
S72=1 |
300bps |
|
S72=2 |
600bps |
|
S72=3 |
1200bps |
|
S72=4 |
2400bps |
|
S72=5 |
4800bps |
|
S72=6 |
7200bps |
|
S72=7 |
9600bps |
|
S72=8 |
12.0Kbps |
|
S72=9 |
14.4Kbps |
|
S72=10 |
16.8Kbps |
|
S72=11 |
19.2Kbps |
|
S72=12 |
21.6Kbps |
|
S72=13 |
24.0Kbps |
|
S72=14 |
26.4Kbps |
|
S72=15 |
28.8Kbps |
|
S72=16 |
38.4Kbps |
|
S72=17 |
57.6Kbps |
|
S72=18 |
115.2Kbps |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Kn [cmds] |
|
Description: |
Enables flow control options |
|
Command |
Function |
|
&K0 |
Flow control disabled |
|
&K1 |
Reserved |
|
&K2 |
Reserved |
|
&K3 |
RTS/CTS flow control enabled |
|
&K4 |
XON/XOFF flow control enabled |
|
&K5 |
Error |
|
INACTIVITY TIMER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Tn [cmds] |
|
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 | |
|
Type: |
Register |
|
Format |
AT [cmds] S30=n [cmds] |
|
Default: |
0 |
|
Range: |
0-90 |
|
Unit: |
1 minutes |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. |
|
Note: |
S30=0 disables the timer and allows indefinite inactivity. |
|
INACTIVITY TIMER | |
|
Type: |
Configuration |
|
Format |
AT [cmds] \Tn [cmds] |
|
Default: |
Unidentified |
|
Range: |
0-90 |
|
Unit: |
1 minute |
|
Description: |
Sets the time the modem waits before modem chip set disconnects if there is no data activity |
|
NO CARRIER TIME-OUT | |
|
Type: |
Register |
|
Format |
AT [cmds] S7=n [cmds] |
|
Default: |
60 |
|
Range: |
1-255 |
|
Unit: |
1 second |
|
Description: |
Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls. |
|
Note: |
W dial modifier also uses S7 to set the maximum time to wait. |
|
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 |
|
&B1 |
Auto-retrain enabled if line quality is poor, hangs up if condition lasts more than the value of register S7 |
|
&B2 |
No retrain, no hang-up |