CyberResearch® Serial Communications

COMT 366 Series

6.0 RS-232 Pin Number Assignments

Pin

EIA

CCITT

Name

 

2

BA

103

Transmit Data

*

3

BB

104

Receive Data

*

4

CA

105

Request to Send

**

5

CB

106

Clear to Send

**

6

CC

107

Data Set Ready

***

7

AB

102

Signal Ground

Gnd

8

CF

109

Data Carrier Detect

***

20

CD

108.2

Data Terminal Ready

***

*These signals can be reversed using the selector switch. **, *** Connected together

CyberResearch, Inc.

9

25 Business Park Drive

P: (203) 483-8815; F: (203) 483-9024

Branford, CT USA

www.cyberresearch.com