[GreenKeys] slightly OT: Silent 700 model 787

[Richard]

In article <20171123004632.GC1821 at n0jcf.net>,
    Chris Elmquist <chrise at pobox.com> writes:

> [...] I am still
> missing any detail on how you choose whether you are talking on that
> DB25 or through the internal modem.   I'm guessing there are a couple
> pins that get jumpered together when you plug in an external cable but
> I don't know that yet for sure.  The flip-manual does not discuss
> selecting modem vs external interface.

Usually there is a switch somewhere, although I supposed it is
possible that it uses some signalling from the RS-232 port to
determine when it is talking to a valid connection.  For instance, for
a panasonic KX-D4930V the switches are shown here:
<http://terminals-wiki.org/wiki/index.php/File:Panasonic_KX-D4930V_382290079556-4.jpg>

Some other manuals from the period indicate that there may be a
configuration stored within the terminal that configures the interface
for either modem or the external port.  Check bitsavers for
documentation on the 763 and 765 terminals and see how they compare to
yours.
<http://bitsavers.trailing-edge.com/pdf/ti/terminal/silent_700/>

If you can take pictures of your unit, the wiki would appreciate it :).
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