HwMuseum | Index

SYSGRATION, LTD.

33.6K/56K VOICE/FAX/MODEM (EXTERNAL)

Card Type

Modem

Chip Set

Unidentified

I/O Options

Line out, line in, 25-pin DTE port, speaker out, microphone in, power

Maximum Modem Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

ITU-T V.22, V.22bis, V.32, V.32bis, V.34, 56Kflex

Fax Modulation Protocol

ITU-T V.17, V.21 CH.2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Line out (RJ-11)

CN1

Speaker out

CN5

Line in (RJ-11)

CN2

Microphone in

CN6

25-pin DTE port

CN3

Power switch

SW1

Power

CN4

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Unidentified

On

Modem is operating at 2400bps or higher

HS

Unidentified

Off

Modem is operating at speed lower than 2400bps

AA

Unidentified

On

Auto-answer enabled

AA

Unidentified

Off

Auto-answer disabled

CD

Unidentified

On

Carrier signal detected

CD

Unidentified

Off

Carrier signal not detected

OH

Unidentified

On

Modem is off hook

OH

Unidentified

Off

Modem is on hook

SD

Unidentified

On

Modem is transmitting data

SD

Unidentified

Off

Modem is not transmitting data

RD

Unidentified

On

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

MR

Unidentified

On

Power is on

MR

Unidentified

Off

Power is off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, B, E, H, M, 0, Q, V, W, X, Y, Z

&C, &J, &M, &P, &Q, &R, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

%E, %L, %Q

\A, \B, \K, \N

Special Commands

#CID

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9,S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, S41, S46, S48, S82, S91, S92, S95

Note: See MHI Help File for full command documentation.

PROPRIETARY AT COMMAND SET

AUTO-MODE DETECTION

Type:

Configuration

Format:

AT [cmds] N n [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

Auto-mode detection disabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake follows interface speed

N1

Auto-mode detection enabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake at highest possible speed with fallback to lower speed if necessary

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &S n [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high

&S1

DSR high only while modem is handshaking or connected

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &D n [cmds]

Description:

Selects modem response to DTR

Note: The action each variant of &D causes depends on the setting of &Q

&Q Setting

&D0

&D1

&D2

&D3

&Q0, &Q5, &Q6

Command 0

Command 1

Command 2

Command 4

&Q1, &Q4

Command 2

Command 1

Command 2

Command 4

&Q2, &3

Command 2

Command 2

Command 2

Command 2

Command

Function

Command 0

Modem does not respond to DTR

Command 1

Modem goes to command mode after DTR goes is off

Command 2

Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.

Command 3

Modem is initialized after DTR goes off

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

DL

Re-dial last number

DP

Pulse dialing enabled

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 5 seconds of silence is received prior to executing the rest of the dial string.

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

&F0

Load factory configuration 0

&F1

Load factory configuration 1

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &K n [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

&K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

&K6

Both RTS/CTS & XON/XOFF flow control enabled

GUARD TONE

Type:

Configuration

Format:

AT [cmds] &G n [cmds]

Description:

Commands the modem to transmit a guard tone in V.22/V.22bis

Command

Function

&G0

Guard tone disabled

&G1

Guard tone disabled

&G2

1800Hz guard tone enabled

LINE TYPE

Type:

Configuration

Format:

AT [cmds] &L n [cmds]

Description:

Selects line type

Command

Line Type

&L0

Switched line (PSTN/Dial-up)

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] I n [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product ID code

I1

Reports ROM checksum

I2

Reports "ERROR"

I3

Reports firmware version 1

I4

Reports firmware version 2

I5

Reports country code

I6

Reports data pump model and internal code

I7

Reports DAA code

SPEAKER VOLUME

Type:

Configuration

 

Format:

AT [cmds] L n [cmds]

 

Description:

Controls speaker volume

 

Command

Function

 

L0

Low volume setting

»

L1

Low volume setting

 

L2

Medium volume setting

 

L3

Highest volume setting

TRANSMIT CARRIER

Type:

Configuration

Format:

AT [cmds] C n [cmds]

Description:

Controls the transmit carrier switching

Command

Function

C1

Transmit carrier enabled

EXTENDED AT COMMAND SET

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \V n [cmds]

Description:

Selects extended result codes

Command

Function

\V0

Connect messages are controlled by: X, W, and register S95

\V1

Extended result codes enabled

STANDARD DTE SPEED

Type:

Configuration

Format:

AT [cmds] %N n [cmds]

Description:

Selects

Command

Function

%N0

Standard DTE speed enabled

%N1

Non-standard DTE speed for 8/10MHz NEC PC enabled

%N2

Non-standard DTE speed for 5/10/12/20/25 MHz PC98

SPECIAL COMMANDS

MODULATION SELECTION

Type:

Configuration

Format:

AT [cmds] +MS= x,y,z,a,b,c [cmds]

Description:

Sets options for active protocol; the transfer rates specified by z and a must be valid for the protocol selected.

Command

Function

x=0

V.21

x=1

V.22

x=2

V.22bis

x=3

V.23

x=9

V.32

x =10

V.32bis

x=11

V.34

x=56

K56flex

x =64

Bell 103

x =69

Bell 212A

y =0

Automode disabled

y =1

Auto-detect highest speed enabled

z, a=300

Set minimum or maximum transfer rate at 300bps, respectively.

z, a =1200

Set minimum or maximum transfer rate at 1200bps, respectively.

z, a =2400

Set minimum or maximum transfer rate at 2400bps, respectively.

z, a =4800

Set minimum or maximum transfer rate at 4800bps, respectively.

z, a =7200

Set minimum or maximum transfer rate at 7200bps, respectively.

z, a =9600

Set minimum or maximum transfer rate at 9600bps, respectively.

z, a =12000

Set minimum or maximum transfer rate at 12000bps, respectively.

z, a =14400

Set minimum or maximum transfer rate at 14400bps, respectively.

z, a =16800

Set minimum or maximum transfer rate at 16800bps, respectively.

z, a =19200

Set minimum or maximum transfer rate at 19200bps, respectively.

z, a =21600

Set minimum or maximum transfer rate at 21600bps, respectively.

z, a =24000

Set minimum or maximum transfer rate at 24000bps, respectively.

z, a =26400

Set minimum or maximum transfer rate at 26400bps, respectively.

z, a =28800

Set minimum or maximum transfer rate at 28800bps, respectively.

z, a =33600

Set minimum or maximum transfer rate at 33600bps, respectively.

z, a =56000

Set minimum or maximum transfer rate at 56000bps, respectively.

b =0

m

b= 1

A

c =0

Robbed bit signaling disabled

c=1

Robbed bit signaling enabled

S(status) -REGISTERS

BIT-MAPPED REGISTER S19

Format

AT [cmds] S19= n [cmds]

Range:

Unidentified

Default:

0

Unit:

Bit-mapped

Description:

Selects autosync options. Further information is unavailable

BIT-MAPPED REGISTER S20

Format

AT [cmds] S19= n [cmds]

Range:

0-255

Default:

0

Unit:

Bit-mapped

Description:

Selects autosync HDLC address or BSC sync character options. Further information is unavailable