...because we can't all be on the bleeding edge...





SM-5743

SOUTH MOUNTAIN TELECOMMUNICATIONS

SM-5743

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

Proprietary AT Command Set

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