[time-nuts] Serial port server .. any interest in a write up on using ?

[Bob Bownes]

I buy them on ebay. Usually <$30+S&H for 32 ports. 64 port units are harder
to find as are self booting units. (Most xylogics boot from the network,
which is easy enough to make work)




On Tue, May 22, 2012 at 11:46 AM, Chris Albertson <albertson.chris at gmail.com
> wrote:

> Terminal servers are simple boxes.  You just Telnet to the port.  Not
> much you need to know to use one.   But the question is "Where to buy
> one cheap?"  Is someone on eBay or the like trying to unload a bunch
> of these?
>
> On Tue, May 22, 2012 at 4:26 AM, Bob Camp <lists at rtty.us> wrote:
> > Hi
> >
> > I'm interested as well. The USB gizmos are fine for "close" stuff. They
> aren't quite so nice for gizmos in the attic when the computer is in the
> basement…
> >
> > Bob
> >
> > On May 21, 2012, at 10:55 PM, Pete Lancashire wrote:
> >
> >> Like many time-nuts I have quite a few devices that communicate to the
> >> outside world with a serial port. And like many I have more then one.
> >> In a past life I use to have to connect to sometimes a 100 RS232 in
> >> one location. A popular device is called a terminal server or
> >> concentrator. They would take from 1 to 48 RS232 ports on one side and
> >> let you talk to them via an Ethernet interface. I so far have twelve
> >> RS232 ports in use.
> >>
> >> Now that the need for such devices has diminished, these terminal
> >> servers are showing up, sometimes for pennies.
> >>
> >> One brand and model Digi's TS family of models I and have verified
> >> they work with Lady Heather and Trimble Studio on a Windows XP PC.
> >>
> >> Digi offers for free a program that makes each RS232 Port look like a
> >> COM port, and after configuring the terminal server, and this driver,
> >> you just just fire up Lady Heather pointing to the correct "COM Port".
> >>
> >> Other RS232 ports on the terminal server can either be COM ports, or
> >> one can be connected to via Telnet of for security SSH. For example I
> >> have an Odetics on one port
> >> and I just enter telnet ts4a (the DNS name I gave one of the terminal
> >> servers) 2003 (the IP port associated with the third RS232 port).
> >>
> >> So if this is of interest to anyone I'll go into more detail, models,
> setup etc.
> >>
> >> -pete
> >>
> >> -pete
> >>
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> >
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>
> --
>
> Chris Albertson
> Redondo Beach, California
>
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