New subject: HP2340AR DTC 16

20 Jul 2010

On 7/20/10, Rob Jarratt <robert.jarratt at ntlworld.com> wrote:
...

  With a serial port, you can turn an old machine
with two serial
 interfaces into a snooper... 
 RS-232 is such a pain, I just had some problems recently. I had never
 thought of using my PC as a way of snooping serial traffic. I have two
 serial ports on my machine. Does anyone know of any good software to do
 this? I could always write it myself, but it would be nice if there was
 already something there. 
Here are several:

http://freshmeat.net/projects/linuxserialsniffer/
http://freshmeat.net/projects/serlook/
http://www.serialmon.com/
http://www.gumbley.me.uk/scope.html

Some of these use one port and a special sniffer cable, some use two
ports.  There are other sniffers out there, I'm sure, but these were
the ones that took less than two minutes to find.  I haven't used any
of them, so I can't recommend one vs another.  I have commercial-grade
gear for this (HP4951), but with all the options out there, you should
be able to find a PC-based one that does what you need.

-ethan

Serial interfaces