[Asterisk-Users] T1 Sync clarification

[Don Pobanz]

On Tuesday, January 13, 2004 7:36 AM, Andrew Kohlsmith 
[SMTP:akohlsmith-asterisk at benshaw.com] wrote:
> > If you've got spans from different providers...you're in for an
> > adventure. You'll be able to do one of the following (which one is
> > telco
> > and luck dependant):

If all providers are referenced back to a stratum 1 clock (which they 
should be) then all provider spans should have very very very close 
timing. Close enough that only a few frame slips a year may occur. So, 
in general spans from different providers should not be a problem.


>
> So what you're saying is that the TE410P is not capable of
> *independently*
> clocking each of the T1s.  Hell even the venerable old AS5248 can
> handle
> that.  This is going to be fun...

That is correct.

>
> Is it possible to accept clock from the telco for one span and
> *generate*
> clock on the other three spans (i.e. for internal channel banks and
> whatnot) ?  Will I run into problems there?  I don't forsee it but I
> also
> didn't forsee the problem being discussed in this thread...

Yes it is possible to receive clock from one span and provide it for 
the other three. That is how I am running.

>
> Regards,
> Andrew

Don Pobanz