WESTERN DATACOM COMPANY, INC.

WORLDCOM 202

Card Type

Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

1200bps

Data Bus

External

Data Modulation Protocol

Bell 202

ITU-T V.23

CONNECTIONS

Function

Label

Function

Label

Serial port

CN1

Line in/out

CN4

DC power

CN2

Volume control

R1

Line in/out

CN3

Power switch

SW1

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í Auto-answer enabled

SW2/1

On

Auto-answer disabled

SW2/1

Off

í Factory configured - do not alter

SW2/4

N/A

í Factory configured - do not alter

SW2/5

N/A

í Power-up with user configuration

SW2/6

Off

Power-up with factory configuration

SW2/6

On

í RTS signal normal

SW2/7

Off

RTS signal forced high

SW2/7

On

í DTR signal normal

SW2/8

Off

DTR signal forced high

SW2/8

On

í Factory configuration 0 - normal use

SW3

Off

Factory configuration 1 - for analog loop-back tests

SW3

On

Note: The exact location and orientation of SW2 is unidentified.

SECONDARY WIRE PAIR (MODE INDICATE)

Setting

SW2/2

SW2/3

í Secondary pair not used

Off

Off

Secondary pair used

On

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Unidentified

On

Modem is off-hook

LED1

Unidentified

Off

Modem is on-hook

LED2

Unidentified

On

DSR signal is high

LED2

Unidentified

Off

DSR signal is low

LED3

Unidentified

On

DTR signal is high

LED3

Unidentified

Off

DTR signal is low

LED4

Unidentified

On

RTS signal is high

LED4

Unidentified

Off

RTS signal is low