Product : ISaGRAF 3

Date    : 29-February-2000

File    : Cable definition for RS232 communication.htm

Subject : Definition of a null-modem RS-232 cable

Keywords: RS232 - cable - communication

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To be able to communication between the workbench and a target with

a RS232 cable, the cable mustbe a null-modem one.

Information can be found at http://www.loop-back.com/null-mod.html

Connection of pins must be as follows:

3-2

2-3

7-8

8-7

5-5

6-4

4-6

The site also says, if you need a Data Carrier Detect,

on a 9 pin cable, connect pin 1 and 6.

We hope this FAQ will be of help.

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