AMT INTERNATIONAL, INC.

STAR 9600

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

Data Bus

8-bit ISA

Card Size

Full height (length is unidentified)

CONNECTIONS

Function

Label

Function

Label

Telephone line out

CN1

Telephone line in

CN2

SERIAL PORT ADDRESS SELECTION

Setting

J1/A

J1/B

J1/C

J1/D

3F8h (COM1:)

Closed

Open

Open

Open

í 2F8h (COM2:)

Open

Closed

Open

Open

3E8h (COM3:)

Open

Open

Closed

Open

2E8h (COM4:)

Open

Open

Open

Closed

INTERRUPT SELECTION

Setting

JP2/A

JP2/B

JP2/C

JP2/D

2

Closed

Open

Open

Open

í 3

Open

Closed

Open

Open

4

Open

Open

Closed

Open

5

Open

Open

Open

Closed

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, D, E, H, L, M, O, Q, V, X, Z

&C, &D, &F, &G, &S, &T, &V, &W, &Y, &Z

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S24, S25, S26

Note: See MHI help file for complete information.

Proprietary AT Command Set

COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol for low-speed data calls.

Command

Protocol

B0

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

B1

Modem will use Bell 212A at 1200bps.

B2

Modem will only connect with V.22bis, V.22, or Bell 103.

B3

Modem will only connect with V.22, or Bell 103.

B4

Modem will only connect with Bell 103.

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 part number and revision.

I4

Displays modem configuration.

I5

Displays firmware date.