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PCMCIA LAN MODEM CARD modem/telephone/ISDN Settings and Configuration






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








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