I was reading recently talk on the subject of using RS232 cables to 
interface handheld units to routers etc.
I now have a need to do exactly that. However I only posess a cable that has 
male RS232 plugs on both ends... a null modem / laplink cable IIRC.
I was thinking I could replace one of the male sockets with a female sourced 
from one of the many i have on the end of interface ribbon, taken from old 
machines' COM ports.

My question is this:
Is the wiring the same? Am I likely to cook anything by wiring it up like 
that?

I have precs for the following cable pinning setups, which is the cable 
setup i need (PC to router) ?
-Straight DB25 Cable
-DB25 Null- modem or cross over cable (Async)
-DB25 Tail- circuit or cross over cable cable (Sync)
-DB25 to DB9 DTE - DCE cable
-DB9 Null- modem or cross over cable

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