HwMuseum | Index

BOCA RESEARCH, INC.

BOCAMODEM M024ID

Modem Type

Data (asynchronous)

Maximum Data Rate

2400bps

Data Bus

8-bit ISA

Data Modulation Protocol

Bell 103A/212A

ITU-T V.22, V.22bis

Error Correction/Compression

Unidentified

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Line in

CN2

BASE I/O ADDRESS SELECTION

Port

JP1/A

JP1/B

JP1/C

JP1/D

COM1: (3F8h)

Closed

Open

Open

Open

COM2: (2F8h)

Open

Closed

Open

Open

» COM3: (3E8h)

Open

Open

Closed

Open

COM4: (2E8h)

Open

Open

Open

Closed

INTERRUPT SELECTION

IRQ

JP1/E

JP1/F

JP1/G

JP1/H

3

Closed

Open

Open

Open

4

Open

Closed

Open

Open

» 5

Open

Open

Closed

Open

7

Open

Open

Open

Closed

Proprietary AT Command Set

BIT-MAPPED REGISTERS

Registers

Default

S14

138

S21

4

S22

117

S23

55

S27

73

S28

0

PROTOCOL/SPEED

Type:

Register

Format

AT [cmds] S19=n [cmds]

Example:

ATS19=0<CR>

Default:

0

Range:

Unidentified

Unit:

Unidentified

Description:

Selects the current protocol and speed.

SLEEP TIMER

Type:

Register

Format

AT [cmds] S24=n [cmds]

Example:

ATS24=0<CR>

Default:

0

Range:

Unidentified

Unit:

Unidentified

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.

TEST MODES

Type:

Register

Format

AT [cmds] S16=n [cmds]

Example:

ATS16=0<CR>

Default:

0

Range:

0-125

Unit:

Bit-mapped

Description:

Controls loopback tests, analog, digital, remote digital, and self tests.

Bit

Value

Function

0

0

1

Local analog loopback not in progress.

Local analog loopback in progress.

1

0

Not used.

2

0

1

Local digital loopback not in progress.

Local digital loopback in progress.

3

0

1

Modem not in remote digital loopback.

Remote digital loopback in progress.

4

0

1

Remote digital loopback not requested.

Remote digital loopback requested.

5

0

1

Remote digital loopback w/ self-test not in progress.

Remote digital loopback w/ self-test in progress.

6

0

1

Local analog loopback w/ self-test not in progress.

Local analog loopback w/ self-test in progress.