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HAYES MICROCOMPUTER PRODUCTS, INC.

OPTIMA 144 + FAX144 (SWITCH VER.)

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

Bell 103A/212A

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

Fax Modulation Protocol

V.17, V.27ter, V.29

Error Correction/Compression

MNP2-5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line in

CN1

RS-232

CN4

Line out

CN2

Power switch

SW2

DC power

CN3

   

COMMAND SETS

Mode

SW1/1

» Enabled

On

Disabled

Off

FACTORY CONFIGURED - DO NOT ALTER

Switch

Position

SW1/2

N/A

SW1/3

N/A

SW1/4

N/A

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Red

On

Modem is operating at 9600bps or faster

HS

Red

Off

Modem is operating at slower than 9600bps

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

AA

Red

Blinking

Line is ringing

CD

Red

On

CD signal is high

CD

Red

Off

CD signal is low

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

RD

Red

On

Modem is receiving data

RD

Red

Off

Modem is not receiving data

SD

Red

On

Modem is transmitting data

SD

Red

Off

Modem is not transmitting data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

MR

Red

On

Power is on

MR

Red

Off

Power is off