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COMSPHERE 3820

PARADYNE CORPORATION

COMSPHERE 3820

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

19.2Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

AT&T V.32terbo

Bell 103A/212A

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

Fax Modulation Protocol

ITU-T V.17, V27ter, V.29 (optional)

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Scroll left on LCD

CN6

Line in

CN2

Scroll right on LCD

CN7

RS-232/422

CN3

Up one level on LCD

CN8

DC power

CN4

Go to top level on LCD

CN9

Network Management System

CN5

Power switch

SW1

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

RTS/105

Green

On

RTS signal is high

RTS/105

Green

Off

RTS signal is low

CTS/106

Green

On

CTS signal is high

CTS/106

Green

Off

CTS signal is low

TXD/103

Green

On

Modem is transmitting data

TXD/103

Green

Off

Modem is not transmitting data

LSD/109

Green

On

Carrier signal detected

LSD/109

Green

Off

Carrier signal not detected

RXD/104

Green

On

Modem is receiving data

RXD/104

Green

Off

Modem is not receiving data

SQ

Yellow

On

Incoming signal is degraded

SQ

Yellow

Off

Normal operation

Proprietary AT Command Set

See PARADYNE CORPORATION, COMSHPERE 3810 for a full command summary.