PCMCIA 33.6 LANMODEM CARD modem/telephone/ISDN Settings and Configuration

LINKSYS

PCMCIA 33.6 LANMODEM CARD

Card Type
Modem (asynchronous)
Chip Set
AT&T
Maximum Modem Rate
33.6Kbps
Maximum Fax Rate
14.4Kbps
Data Modulation Protocol
Bell 103/212A
ITU-T V.21, V.22, V.23, V.34
Fax Modulation Protocol
V.17
Error Correction/Compression
MNP5, V.42, V.42bis
Fax Class
Class I
NIC Type
Ethernet
Boot ROM
Not available
Network Transfer Rate
10Mbps
Topology
Star
Wiring Type
RJ-45 Unshielded twisted pair
Data Bus
PCMCIA Type II

LINKSYS-Modem-asynchronous-PCMCIA-33-6-LANMODEM-CA

SUPPORTED COMMAND SET
Basic AT Commands
AT, A/
A, E, H, M, O, P, Q, T, V, W, X, Z
&C, &F, &G, &Q, &R, &T, &W, &X, &Y, &Z
Extended AT Commands
\A, \B, \C, \G, \J, \T, \V, \X
%A
S Registers
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S18, S25, S26
Special Commands
-J
Note: See MHI Help File for full command documentation.

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 ITU-T V.21 at 300bps
B1
Bell 212A at 1200bps or Bell 103 at 300bps
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

DIAL
Type:
Immediate
Format:
AT [cmds] D<#> [cmds]
Description:
Dials telephone number according to any modifiers included in the string
Note:
Any combination of modifiers can be used to produce the desired dial functions in sequence.
Command
Function
DP
Pulse dialing enabled
DR
Answer mode enabled; originate mode disabled following handshake initiation.
DS=n
Dial stored telephone number n
DT
Tone dialing enabled/Pulse dialing disabled
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 Quite 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;
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

AUTO-MODE DETECTION
Type:
Configuration
Format:
AT [cmds] Nn [cmds]
Description:
Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.
Command
Function
N0
Handshake only at the communication rate specified by S37 with fallback disabled
N1
Start handshake at the communication standard specified by S37. Fallback enabled

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 if line quality is poor
&B2
Tolerate any condition

DATA TERMINAL READY (DTR)
Type:
Configuration
Format:
AT [cmds] &Dn [cmds]
Description:
Selects modem response to DTR
Note: The action each variant of &D causes depends on the setting of &Q
Command
Function
í &D0
Modem does not respond to DTR
&D1
Modem goes to command mode after DTR goes is off
&D2
Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
&D3
Modem is initialized after DTR goes off

FLOW CONTROL
Type:
Configuration
Format:
AT [cmds] &Kn [cmds]
Description:
Enables flow control options
Command
Function
&K0
Flow control disabled
&K1
Reserved
&K2
Reserved
í &K3
RTS/CTS flow control enabled
&K4
XON/XOFF flow control enabled
&K5
Error

COMMUNICATIONS MODE
Type:
Configuration
Format:
AT [cmds] &Mn [cmds]
Description:
Selects communications mode
Command
Mode
í &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
&M4
Hayes AutoSync mode

PULSE DIALING RATIO
Type:
Configuration
Format:
AT [cmds] &Pn [cmds]
Description:
Selects pulse dial make/break ratio
Command
Function
í &P0
39/61ms at 10pps (North America)
&P1
33/67ms at 10pps (Europe)

DATA SET READY (DSR)
Type:
Configuration
Format:
AT [cmds] &Sn [cmds]
Description:
Selects DSR options
Command
Function
&S0
DSR forced high
í &S1
DSR high only while modem is handshaking or connected

CONFIGURATION PROFILES
Type:
Immediate
Format:
AT [cmds] &V [cmds]
Description:
Displays active and stored configuration profiles
Command
Function
&V0
View active profile 0
&V1
View active profile 1

Extended AT Commands

DATA COMPRESSION
Type:
Configuration
Format:
AT [cmds] %Cn [cmds]
Description:
This command controls the MNP5.
Command
Function
%C0
No compression
%C1
MNP class 5 compression

DTE FLOW CONTROL
Type:
Configuration
Format:
AT [cmds] \Qn [cmds]
Description:
This command selects the flow control method.
Command
Function
\Q0
Disables flow control
\Q1
XON/XOFF software flow control
\Q2
CTS flow control to DTE
\Q3
RTS/CTS hardware flow control

CONNECT MODE
Type:
Configuration
Format:
AT [cmds] \Nn [cmds]
Description:
Controls the type of connection the modem will operate in
Command
Function
\N0
Normal mode enabled
\N1
Direct mode enabled
\N2
Reliable mode enabled
\N3
LAPM, MNP or normal mode
\N4
LAPM of MNP mode

S(status) -REGISTERS

INACTIVITY TIMER
Type:
Register
Format
AT [cmds] S30=n [cmds]
Default:
0
Range:
0-90
Unit:
10 seconds
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.

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 STATUS
Type:
Register
Format
AT [cmds] S62=n [cmds]
Default:
16
Unit:
1 second
Description:
Displays the DTE rate status
Value
Meaning
0
300bps
1
600bps
2
1200bps
3
2400bps
4
4800bps
5
7200bps
6
9600bps
7
12000bps
8
14400bps
9
16800bps
10
19200bps
11
21600bps
12
24000bps
13
26400bps
14
28800bps
15
38400bps
16
57600bps
17
115200bps

DTE SPEED SELECTION
Type:
Register
Format
AT [cmds] S72n [cmds]
Description:
Selects the DTE speed during data transfer
Value
Meaning
S72=0
last autobaud speed
S72=1
300bps
S72=2
600bps
S72=3
1200bps
S72=4
2400bps
S72=5
4800bps
S72=6
7200bps
S72=7
9600bps
S72=8
12000bps
S72=9
14400bps
S72=10
16800bps
S72=11
19200bps
S72=12
21600bps
S72=13
24000bps
S72=14
26400bps
S72=15
28800bps
S72=16
38400bps
S72=17
57600bps
S72=18
115200bps

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PCMCIA 33.6 LANMODEM CARD modem/telephone/ISDN Settings and Configuration

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Card Type	Modem (asynchronous)
Chip Set	AT&T
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.23, V.34
Fax Modulation Protocol	V.17
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I
NIC Type	Ethernet
Boot ROM	Not available
Network Transfer Rate	10Mbps
Topology	Star
Wiring Type	RJ-45 Unshielded twisted pair
Data Bus	PCMCIA Type II

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 ITU-T V.21 at 300bps
B1	Bell 212A at 1200bps or Bell 103 at 300bps
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

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials telephone number according to any modifiers included in the string
Note:	Any combination of modifiers can be used to produce the desired dial functions in sequence.
Command	Function
DP	Pulse dialing enabled
DR	Answer mode enabled; originate mode disabled following handshake initiation.
DS=n	Dial stored telephone number n
DT	Tone dialing enabled/Pulse dialing disabled
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 Quite 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;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

AUTO-MODE DETECTION
Type:	Configuration
Format:	AT [cmds] Nn [cmds]
Description:	Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.
Command	Function
N0	Handshake only at the communication rate specified by S37 with fallback disabled
N1	Start handshake at the communication standard specified by S37. Fallback enabled

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 if line quality is poor
&B2	Tolerate any condition

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &Dn [cmds]
Description:	Selects modem response to DTR
Note: The action each variant of &D causes depends on the setting of &Q
Command	Function
í &D0	Modem does not respond to DTR
&D1	Modem goes to command mode after DTR goes is off
&D2	Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
&D3	Modem is initialized after DTR goes off

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Enables flow control options
Command	Function
&K0	Flow control disabled
&K1	Reserved
&K2	Reserved
í &K3	RTS/CTS flow control enabled
&K4	XON/XOFF flow control enabled
&K5	Error

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects communications mode
Command	Mode
í &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
&M4	Hayes AutoSync mode

PULSE DIALING RATIO
Type:	Configuration
Format:	AT [cmds] &Pn [cmds]
Description:	Selects pulse dial make/break ratio
Command	Function
í &P0	39/61ms at 10pps (North America)
&P1	33/67ms at 10pps (Europe)

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
&S0	DSR forced high
í &S1	DSR high only while modem is handshaking or connected

CONFIGURATION PROFILES
Type:	Immediate
Format:	AT [cmds] &V [cmds]
Description:	Displays active and stored configuration profiles
Command	Function
&V0	View active profile 0
&V1	View active profile 1

DATA COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	This command controls the MNP5.
Command	Function
%C0	No compression
%C1	MNP class 5 compression

DTE FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Qn [cmds]
Description:	This command selects the flow control method.
Command	Function
\Q0	Disables flow control
\Q1	XON/XOFF software flow control
\Q2	CTS flow control to DTE
\Q3	RTS/CTS hardware flow control

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Controls the type of connection the modem will operate in
Command	Function
\N0	Normal mode enabled
\N1	Direct mode enabled
\N2	Reliable mode enabled
\N3	LAPM, MNP or normal mode
\N4	LAPM of MNP mode

INACTIVITY TIMER
Type:	Register
Format	AT [cmds] S30=n [cmds]
Default:	0
Range:	0-90
Unit:	10 seconds
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.

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 STATUS
Type:	Register
Format	AT [cmds] S62=n [cmds]
Default:	16
Unit:	1 second
Description:	Displays the DTE rate status
Value	Meaning
0	300bps
1	600bps
2	1200bps
3	2400bps
4	4800bps
5	7200bps
6	9600bps
7	12000bps
8	14400bps
9	16800bps
10	19200bps
11	21600bps
12	24000bps
13	26400bps
14	28800bps
15	38400bps
16	57600bps
17	115200bps

DTE SPEED SELECTION
Type:	Register
Format	AT [cmds] S72n [cmds]
Description:	Selects the DTE speed during data transfer
Value	Meaning
S72=0	last autobaud speed
S72=1	300bps
S72=2	600bps
S72=3	1200bps
S72=4	2400bps
S72=5	4800bps
S72=6	7200bps
S72=7	9600bps
S72=8	12000bps
S72=9	14400bps
S72=10	16800bps
S72=11	19200bps
S72=12	21600bps
S72=13	24000bps
S72=14	26400bps
S72=15	28800bps
S72=16	38400bps
S72=17	57600bps
S72=18	115200bps