SM-5743 modem/telephone/ISDN Settings and Configuration

Card Type	Fax, Modem (asynchronous)
Chip Set	Unidentified
Maximum Modem Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	External
Fax Class	Class I & II
Data Modulation Protocol	Bell 103A/212A ITU-T V.21,V.22, V.22bis, V.32, V.32bis
Fax Modulation Protocol	ITU-T V.17, V.21 ch2, V.27ter, V.29
Error Correction/Compression	MNP2-5, V.42, V.42bis
Boot ROM	Not available

CONNECTIONS
Function	Label		Function		Label
Line in		CN1		DC power		CN4
Line out		CN2		Power switch		SW1
RS-232/422		CN3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
MR	Red	On	Power is on
MR	Red	Off	Power is off
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
TD	Red	Blinking	Modem is transmitting data
TD	Red	Off	Modem is not transmitting data
RD	Amber	Blinking	Modem is receiving data
RD	Amber	Off	Modem is not receiving data
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
AA	Red	Blinking	Phone is ringing

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, D, H, L, M, N, O, Q, V, W, X, Z

&D, &F, &G, &J, &K, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \G, \K, \V, \X, %A, %C, %E, %L, %Q

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S46, S48

Note: See MHI documentation for complete information.

UNIDENTIFIED COMMANDS
Command	Default
S27	Unidentified
S36	0
S40	57
S42	0

CONNECT MODE
Type:	Immediate
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		MNP reliable mode enabled
í\N4		Auto-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.
I3	Displays firmware revision.
I4	Displays product features.

INACTIVITY TIMER
Type:	Register
Format	AT [cmds] S30=n [cmds]
Default:	0
Range:	0-90
Unit:	1 minute
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.

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
í &B1	Auto-retrain enabled if line quality is poor
&B2	No hang-up, no auto-retrain