On 4 Jun 2007 at 23:37, Tony Duell wrote:
> Unless mine gets run over by a traction
engine, I am unlikely to
need to
replacve it. If an LED fails, I'll (as ever)
jsut replace that LED. It's
not exactly hard to fault-trace or repair...
If I did more of RS-232 troubleshooting, I'd probably want one with a
pulse stretcher on at least SD and RD. At 115K, it's pretty hard to
notice a one-character blip. I don't know if any were made like
this, but it wouldn't be hard to cobble one up.
The one I just received (a Navtel) has what appear (I haven't played with it
yet) to be pulse catchers which can be patched to any pin. Presumably they
latch on for a transition (there is a reset button). Which edge (+/-) they
watch for will be the question.