COML 2232F

CyberResearch® Serial Communications

Hardware Specification

4.1 PINOUT

The COML 2232F is supplied with a 12” Y-cable that terminates with two DB-9M connectors with female jackscrews (to match the port at the back of a PC). The pinout below applies to the DB-9M connectors on the supplied cable. “Port1” and “Port2” is marked on the cables.

PORT1

PIN

NAME

FUNCTION

1

-

-

2

RX1

Receive Data input 1

3

TX1

Transmit Data output 1

4

-

-

5

ISOGND

ISOLATED GROUND

6

-

-

7

RTS1

Request To Send output 1

8

CTS1

Clear To Send input 1

9

-

-

Shell

-

See note*

PORT2

PIN

NAME

FUNCTION

1

-

-

2

RX2

Receive Data input 2

3

TX2

Transmit Data output 2

4

-

-

5

ISOGND

ISOLATED GROUND

6

-

-

7

RTS2

Request To Send output 2

8

CTS2

Clear To Send input 2

9

-

-

Shell

-

See note*

*The cable shield is grounded at the card-end, runs the full length of the cable and is not connected at the equipment end (i.e., does not connect to the DB-9 shell) to help to avoid ground loops.

Technical Note: Please terminate any control signals that are not going to be used. The most common way to do this is connect RTS to CTS. Terminating these pins, if not used, will help insure you get the best performance from your adapter.

4

©Copyright 2006 CyberResearch, Inc.