On 25 March 2010 02:42, James Lamanna <jlama...@gmail.com> wrote: > Hi, > I have a TE410P T1 (1st gen) card and I'm seeing interesting errors of > D-Channels going down and then coming back up (See below). > > Read all the discussion about many spans - and I've run 16 E1 spans in one box, and run 8 spans under 200+ concurrent calls.
Your 1st gen TE410 card is very old and I'd suggest to contact Digium about a firmware upgrade or a hardware upgrade. As for the spans going down:- 1) Make sure you are syncing your clock to your telco (span=1,1,0,...) 2) Make sure you are using the right IDE driver module for your chipset and not the generic one 3) Avoid long runs (>25m?) of unscreened cable on the T1/E1 span Regards, Steve
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