Re: (PM) Line1 to Line1 (or maybe just a dumb question) (fwd)

MegaZone (megazone@megazone.org)
Wed, 24 Jun 1998 13:32:22 -0700 (PDT)

Once upon a time Kyle Platts shaped the electrons to say...
>It *will* work, but there will be slips on the span.

There can be quite a few slips. to put it less concretely than 'it will not
work' - it MAY work, but it may not be very reliable or usable, and such a
configuration was never intended to be used. User beware.

>> If there is a telco in the loop, THEY have to provide the clock. If you are
>> talking a T1 crossover cable, that doesn't work. You need a telco, or a
>> telco line simulator.
>You are batting a 1000 in the wrong direction MZ. Telcos are actually
>transparent to the span. the end equipment is responsible for overall
>timing on a point to point link.

Now this is confusing - I've worked with people doing PTP with IRX units
and CSU/DSUs where clock was coming from the telco and BOTH CSU/DSUs were
set to 'network' for clock. It worked, and the units were seeing a clock.

Where the heck did it come from, if not the telco?

>Now if they could fix the line build out feature on the WAN card....

What was/is the problem?

-MZ

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