PC PCMCIA 144, PC PCMCIA 144 EZ-PORT modem/telephone/ISDN Settings and Configuration

Card Type	Modem (asynchronous)
Chip Set	Unidentified
Maximum Modem Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis
Fax Modulation Protocol	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I & II
Data Bus	PCMCIA

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, D, E, F, H, M, V, W, X, Y, Z

&A, &V, &W, &Y, &Z

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S30, S36, S37,

S38, S46, S48, S82, S86, S95, S99, S108, S109, S110, 201

Note: See MHI Help File for full command documentation.

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	Originate or answer: handshake only at speed in S37
í N1	Negotiate highest common speed starting in S37

CODE MODULATION
Type:	Immediate
Format:	AT [cmds] &Un
Description:	Control trellis code modulation
Command	Function
&U0	Trellis coding enabled
&U1	Trellis coding disabled

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
í &Q0	Asynchronous mode
&Q4	Auto-synchronous mode
&Q5	Error correction mode
&Q6	Buffered asynchronous mode
&Q8	MNP mode
&Q9	V.42bis data compression enabled, MNP5 disabled

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 300 or 1200bps
B1	Bell 212A at 300 or 1200bps
B15	ITU-T V.21 at 300bps
B16	Bell 103 at 300bps

DATA CARRIER DETECT (DCD)
Type:	Configuration
Format:	AT [cmds] &Cn [cmds]
Description:	Selects whether the DCD option is enabled or disabled
Command	Function
í &C0	DCD enabled
&C1	DCD enabled after carrier signal detected
&C2	DCD on except during disconnect

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

DIAL UP MODE
Type:	Configuration
Format:	AT [cmds] &Ln [cmds]
Description:	Sets the dial up mode
Command	Line Type
í &L0	Select dial up mode

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
&S0	DSR forced high

FACTORY DEFAULT PROFILE
Type:	Configuration
Format:	AT [cmds] &F [cmds]
Description:	Sets values in active profile to values found in the default profile
Command	Function
í &F0	Hays-compatible settings
&F1	IBM-compatible settings
&F2	Macintosh software handshake settings
&F3	Macintosh hardware handshake settings

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

GUARD TONE
Type:	Configuration
Format:	AT [cmds] &Gn [cmds]
Description:	Commands the modem to transmit a guard tone in V.22/V.22bis
Note: Used primarily for international data transmission
Command	Function
í &G0	Guard tone disabled

HELP
Type:	Configuration
Format:	AT [cmds] $Hn [cmds]
Description:	Displays the help templates for the $ commands

ON-LINE
Type:	Immediate
Format:	AT [cmds] On [cmds]
Description:	Controls on-line command (data transmission) state options.
Note: The O command must be placed at the end of the command string.
Command	Function
O0	On-line command mode with no retraining enabled
O1	On-line command mode with retraining enabled
O3	On-line command mode with rate negotiation

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports modem product code
I1	Reports ROM checksum
I2	Reports OK or ERROR
I3	Reports modem firmware revision number
I4	Reports a number series representing feature bit map
I6	Reports data connection information

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Qn [cmds]
Description:	Enables modem to send result codes to the DTE
Command	Function
í Q0	Result code sending enabled
Q1	Result code sending disabled
Q2	Result code sending in originate mode only

SPEAKER VOLUME
Type:	Configuration
Format:	AT [cmds] Ln [cmds]
Description:	Command is included for compatibility only, it performs no function.

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	Auto-retrain enabled disconnect if no line improvement over period indicated in S7

DCE SPEED
Type:	Register
Format	AT [cmds] S43=n [cmds]
Description:	Displays the current DCE speed

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=1	75bps
S37=2	110bps
S37=3	300bps
S37=4	600bps
S37=5	1200bps
S37=6	2400bps
S37=7	4800bps
S37=8	7200bps
S37=9	9600bps
S37=10	12.0Kbps
S37=11	14.4Kbps

CIRCUIT CARRIER LEVEL
Type:		Register
Format:	AT [cmds] S63=n [cmds]
Range:	0-15dBm
Description:	Private circuit carrier level selection

AUTOMODE AND PROBE TIMING
Type:	Register
Format:	AT [cmds] S97=n [cmds]
Default:	30
Range:	15-70
Unit:	0.1 seconds
Description:	V.32 Automode. V.22/V.22bis Probe Timing

DISTINCTIVE RING
Type:	bit map
Format:	AT [cmds] S101=n [cmds]
Default:	00
Range:	0-255
Unit:	bit map
Description:	Selects distinctive ring setting

PACKET SIZE
Type:	Register
Format	AT [cmds] S136=n [cmds]
Default:	1
Range:	0-2
Description:	Selects LAPM packet size