[time-nuts] Tbolt not talking

Hal Murray hmurray at megapathdsl.net
Wed Jul 22 20:53:19 UTC 2009


> Connect Pin 2 to pin3 at the Tbold end of the serial cable  
> Send any command by way of the monitor, and see if the same text is received.
> If the PC can not send and receive it's own RS232 data, Fix the PC side,
> If the PC I/O is working connect the Tbolt and fix it.

That's a good suggestion, but you still have to make sure that the cable is 
correctly crossed or un-crossed.

The simple way is to use one of the little gizmos with LEDs.  A scope works.  
So does trial and error.

I've gotten in the habit of marking the connectors on my serial cables with a 
big X if it's a crossover and a || if it isn't.


(This may be a wild goose chase if your collection of serial cables and toys 
is cleaner than mine.)



-- 
These are my opinions, not necessarily my employer's.  I hate spam.







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