CALPAK CORPORATION

MXE-2400SF

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

2400bps

Maximum Fax Rate

9600bps

Data Bus

External

Fax Class

Unidentifed

Data Modulation Protocol

Unidentifed

Fax Modulation Protocol

ITU-T V.21, V.27ter

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

RS-232/422

CN3

Line in

CN2

AC power

CN4

DIAGNOSTIC LED(S)

LED

Status

Condition

AA

On

Auto-answer enabled

AA

Off

Auto-answer disabled

RXD

On

Modem is receiving data

RXD

Off

Modem is not receiving data

TXD

On

Modem is transmitting data

TXD

Off

Modem is not transmitting data

CD

On

Carrier signal detected

CD

Off

Carrier signal not detected

OH

On

Modem is off-hook

OH

Off

Modem is on-hook

HS

On

Modem is operating at 2400bps

HS

Off

Modem is operating at slower than 2400bps

DTR

On

DTR signal is high

DTR

Off

DTR signal is low

MR

On

Power is on

MR

Off

Power is off

MODE

Settings

SW1/1

Dumb mode

On

Normal mode

Off

AUTO-ANSWER

Settings

SW1/2

Auto-answer enabled

On

Auto-answer disabled

Off

DCD

Settings

SW1/3

DCD normal

On

DCD forced high

Off

DTR

Settings

SW1/4

Reset ON DTR

On

DTR ON to OFF

Off

MISCELLANEOUS TECHNICAL NOTE

Exact location of switches and LEDs is unidentified.

Proprietary AT Command Set

See document V1558 for a full command summary.