[1000mp] CAT control port isolation

[John Becker]

> Looking at the datasheet on your isolator....it requires a straight thru
> (pin for pin) cable on one side of the isolator and a null modem type cable
> on the other side of the isolator.....maybe you don't have the right cables
> 
> Charlie NF4A

I'm looking at the datasheet here: 
http://www.rs232-converters.com/converter_specs/ISO-232-3P9.pdf

Wouldn't figure 1 be the applicable situation? I don't see why it should 
need a null modem.

John, K9MM