CARDINAL TECHNOLOGIES,INC.

2400V42 (EXTERNAL), 2450V42 (EXTERNAL)

Card Type

Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

2400bps

Data Bus

External

Data Modulation Protocol

Bell 103/212A

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

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line in

CN1

RS-232/422

CN3

Line out

CN2

DC power

CN4

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Dumb mode enabled

P7/Pins 1 & 2

Closed

Smart mode enabled

P7/Pins 2 & 3

Closed

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

V42

Green

On

Modem using V.42

V42

Yellow

On

Modem using V.42bis

V42

Red

On

A data error occurred

MNP

Green

On

Modem using MNP1 - 4

MNP

Yellow

On

Modem using MNP5

MNP

Red

On

A data error occurred

HS

Green

On

Modem is operating at 2400bps or faster

AA

Green

On

Auto-answer enabled

AA

Green

Blinking

Phone is ringing

OH/CD

Yellow

On

Modem is off-hook/carrier signal detected

OH/CD

Red

On

Modem is of-hook/carrier signal not detected

SD

Green

Blinking

Modem is transmitting data

RD

Green

Blinking

Modem is receiving data

MR/TR

Green

On

Power is on/DTR signal is low

MR/TR

Yellow

On

Power is on/DTR signal is high

MR/TR

Green

Blinking

Test mode enabled

MR/TR

Yellow

Blinking

Test mode enabled

Proprietary AT Command Set

See document V2279 for a full command summary.