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14.4EX

INTEL CORPORATION

14.4EX

Modem Type

Data (synchronous/asynchronous)

Maximum Data Rate

14.4Kbps

Data Bus

External

Data Modulation Protocol

Bell 103A/212A

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

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

DC power

CN4

Line in

CN2

Power switch

SW1

RS-232/422

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

EC

Green

On

Error correction enabled

EC

Green

Off

Error correction disabled

HS

Red

On

Modem is operating at 9600bps or faster

HS

Red

Off

Modem is operating at slower than 1200bps

HS

Red

Blinking

Modem is retraining.

HS

Red

Blinking once

Modem is operating at 12Kbps

HS

Red

Blinking twice

Modem is operating at 14.4Kbps

HS

Orange

On

Modem is operating at 4800bps or Off-line

HS

Orange

Blinking once

Modem is operating at 7200bps

HS

Green

On

Modem is operating at 2400bps

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

On

Modem is receiving data

RD

Green

Off

Modem is not receiving data

SD

Green

On

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

MR

Green

Blinking

Modem is not operating properly

Proprietary AT Command Set

See document V1545 for a full command summary.