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9600 EXTERNAL

LOGICODE TECHNOLOGY, INC.

9600 EXTERNAL

Card Type

Modem (asynchronous)

Chipset

Unidentified

Maximum Data Rate

9600bps

Data Modulation

Bell 103A, 212A

ITU-T V.21, V.22, V.22bis, V.32

Error Correction/Compression

MNP5, V.42, V.42bis

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

Telephone line in

CN1

Serial port

CN3

Telephone line out

CN2

DC power in

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Green

On

Modem is operating at 4800bps or faster

HS

Green

Off

Modem is operating at slower than 4800bps

AA

Green

On

Auto-answer enabled

AA

Green

Off

Auto-answer disabled

AA

Green

Blinking

Phone is ringing

CD

Green

On

Carrier signal detected

CD

Green

Off

Carrier signal not detected

OH

Green

On

Modem is off-hook

OH

Green

Off

Modem is on-hook

RD

Green

Blinking

Modem is receiving data

RD

Green

Off

Modem is not receiving data

SD

Green

Blinking

Modem is transmitting data

SD

Green

Off

Modem is not transmitting data

TR

Green

On

DTR signal is high

TR

Green

Off

DTR signal is low

MR

Green

On

Power is on

MR

Green

Off

Power is off

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, C, D, E, F, H, L, M, N, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &L, &P, &R, &S, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \J, \N, \O, \Q, \T, \U, \V, \X, \Y, \Z

%A, %C, %E, %G

Special AT Commands

-C, -J, "H, "O

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S25, S26

S27, S30, S37, S95

Note: See MHI help file for complete information.

Proprietary AT Command Set

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Default:

Unidentified

Range:

0-189

Unit:

Bit-mapped

Description:

Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.

Bit

Value

Function

0

0

í 1

Remote digital loopback denied.

Remote digital loopback allowed.

3 - 1

000

001

010

011

100

101

110

í 111

Sets serial port speed to 0-300bps.

Sets serial port speed to 600bps.

Sets serial port speed to 1200bps.

Sets serial port speed to 2400bps.

Sets serial port speed to 4800bps.

Sets serial port speed to 9600bps or 14.4Kbps.

Sets serial port speed to 19.2Kbps.

Sets serial port speed to 38.4Kbps or 57.6Kbps.

5, 4

í 00

01

10

11

Use even parity.

Use SPACE parity.

Use odd parity.

Use MARK or no parity.

7, 6

í 00

01

10

Guard tone disabled.

Guard tone 550Hz enabled.

Guard tone 1800Hz enabled.

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break from DTE

Reliable/Normal mode

Break from DTE

Direct mode

Modem receives \B

Break from remote modem

\K0

Enter command mode, do not send break to remote modem.

Send break to remote modem immediately, then enter command mode.

Buffers cleared and break sent to remote modem.

Buffers cleared and break sent to DTE.

\K1

Buffers cleared and break sent to remote modem.

Send break to remote modem immediately.

Buffers cleared and break sent to remote modem.

Buffers cleared and break sent to DTE.

\K2

Enter command mode, do not send break to remote modem.

Send break to remote modem immediately, then enter command mode.

Send break to remote modem immediately.

Send break to DTE immediately.

\K3

Send break to remote modem immediately.

Send break to remote modem immediately.

Send break to remote modem immediately.

Send break to DTE immediately.

\K4

Enter command mode, do not send break to remote modem.

Send break to remote modem immediately, then enter command mode.

Send break to remote modem with transmitted data.

Break sent with received data to the DTE.

\K5

Send break with transmitted data.

Send break to remote modem immediately.

Send break to remote modem with transmitted data.

Break sent with received data to the DTE.

DISPLAY FIRMWARE VERSION

Type:

Immediate

Format:

AT [cmds] -V [cmds]

Description:

Displays the modem's firmware version.

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.

I2

Tests and displays ROM checksum result.

I3

Displays firmware revision.

I4

Displays feature bitmap.

LOCAL SERIAL PORT SPEED - CURRENT

Type:

Register (read-only)

Format:

AT [cmds] S112? [cmds]

Description:

Returns a value indicating the current speed of the local serial port.

Value

Meaning

0

Serial port speed was set by the speed of the last AT command.

2

Serial port speed is 300bps.

3

Serial port speed is 1200bps.

4

Serial port speed is 2400bps.

5

Serial port speed is 4800bps.

6

Serial port speed is 7200bps.

7

Serial port speed is 9600bps.

8

Serial port speed is 12Kbps.

9

Serial port speed is 14.4Kbps.

10

Serial port speed is 16.8Kbps.

11

Serial port speed is 19.2Kbps.

12

Serial port speed is 38.4Kbps.

13

Serial port speed is 57.6Kbps.

14

Serial port speed is 600bps.

ON-LINE

Type:

Immediate

Format:

AT [cmds] On

Description:

Instructs the modem to return to on-line state.

Command

Function

O0

Return to on-line state.

O1

Return to on-line state and initiate retrain sequence.

O3

Return to on-line state and initiate renegotiation sequence.

PROTOCOL/SPEED

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol the modem will use.

Command

Protocol

B0

Modem will use ITU-T V.22 at 1200bps and V.21 at 300bps.

B1

Modem will use Bell 212A at 1200bps and 103A at 300bps.

B2

Modem will use ITU-T V.23 at 1200/75bps.

B3

Modem will use ITU-T V.23 at 75/1200bps.

B15

Modem will use ITU-T V.21 at 300bps.

B16

Modem will use 103A at 300bps.

B30

Modem will use ITU-T V.22bis at 2400bps.

B41

Modem will use ITU-T V.32 at 4800bps.

B52

Modem will use ITU-T V.32bis at 7200bps.

B60

Modem will use ITU-T V.32 at 9600bps.

B70

Modem will use ITU-T V.32bis at 12Kbps.

B75

Modem will use ITU-T V.32bis at 14.4Kbps.

TRELLIS CODING

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Description:

Selects whether the modem will use trellis coding.

Command

Function

í &U0

Trellis coding enabled.

&U1

Trellis coding disabled.