[TriLUG] modem-to-modem connections, perle STS16

[Bill Farrow]

On Tue, Jan 8, 2013 at 12:38 PM, Dewey Hylton <plug at hyltown.com> wrote:
> placing a null-modem adapter between the perle adapter and its modem causes the
> modem's lights to blink erratically, and it fails to answer calls.
>
> where are you recommending that i place the null modem adapter/cable? or am i
> misunderstanding your message?

I had no idea what a perle is, but from your description sounded like
a serial concentrator.  These systems can come with cables that are
designed to connect to either DTE (terminal) or DCE (modem).  A quick
way to test if it is DTE or DCE is to drop in a null-modem adaptor and
see if it starts working.  This is typically faster than digging up
specifications for the equipment at both ends.

Bill