[Asterisk-Users] T1 Sync clarification

Rich Adamson radamson at routers.com
Tue Jan 13 12:34:51 MST 2004


> > > 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):
> > 
> > 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... 
> 
> Dont think they do..  on the controllers you specify clock source 
> primary/secondary and the box will sync to only one clock. This is true in all 
> telco systems afaik.. taking lines from another telco which is on a different 
> clock source isnt necessarily a big problem but you should expect to see the odd 
> slips on the line where the clocking is slightly mismatched..

Right on. Keeping an eye on slips over time can also provide insight into
larger issues to come. Telcos and others sometimes forget to address the
clock sync on new additions of equipment, etc.






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