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FOM-8/ST

RAD DATA COMMUNICATIONS, INC.

FOM-8/ST

Card Type

Modem (synchronous/asynchronous)

Chipset

Unidentified

Maximum Data Rate

19.2Kbps

Data Bus

Serial

Data Modulation

Unidentified

CONNECTIONS

Function

Label

Function

Label

V.24 serial port

CN1

Fiber optic ST transmit cable

CN3

Fiber optic ST receive cable

CN2

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í Stop bit shortened by 12.5% in asynchronous mode

SW1/1

Off

Stop bit shortened by 25% in asynchronous mode

SW1/1

On

í CD signal forced high

SW1/4

Off

CD signal follows RTS

SW1/4

On

í Pin 18 of CN1 has no function

SW1/5

Off

Pin 18 of CN1 begins local analog loopback test

SW1/5

On

í Pin 21 of CN1 has no function

SW1/6

Off

Pin 21 of CN1 begins remote digital loopback test

SW1/6

On

CHARACTER LENGTH SELECTION

Setting

SW1/2

SW1/3

8 bits

Off

Off

9 bits

Off

On

í 10 bits

On

Off

11 bits

On

On

LINE SPEED SELECTION

Setting

SW2

1200bps

Position 7

2400bps

Position 6

3600bps

Position 5

4800bps

Position 4

7200bps

Position 3

í 9600bps

Position 2

14.4Kbps

Position 1

19.2Kbps

Position 0

TRANSMIT CLOCK SOURCE SELECTION

Setting

J1/A

J1/B

J1/C

J1/D

Asynchronous mode

Closed

Open

Open

Open

Remote clock source

Open

Closed

Open

Open

í Internal clock source

Open

Open

Closed

Open

External clock source

Open

Open

Open

Closed

RTS TO CTS DELAY SELECTION

Setting

J2/A

J2/B

J2/C

0 mS

Open

Open

Closed

í 8 mS

Open

Closed

Open

64 mS

Closed

Open

Open