When you say the provider has checked the line, are you saying the ISP ???
The Telco's & CLEC's have a lot of expensive equipment to test these lines.
I worked for a CLEC that used Harris & Turnstone line testers from the CO
(copper termination) to the Demark. @ the prem there are testers called the
Sunrise & Sidekick (& not all techs know how to use them). Unless you've
had the Telco out to stress the line, I don't think you could rule it out.
Ultimately you may have a bad copper pair on the F1, F2, or inside wiring.
Also- there is a situation dealing with too many "High Cap" circuits in a
bundle. ISDN (like DSL) is very susceptible to noise or bleed.
Good Luck
Phil
----- Original Message -----
From: "Stephen Robichaud" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 06, 2001 4:38 PM
Subject: CRC errors on ISDN Interface
> I have a problem with an ISDN circuit that keeps on dropping off. When I
> look at the BRI interface I see CRC errors. I have swapped out the patch
> cable going to the providers jack, I swapped out the router and the ISDN
WIC
> but I still keep on getting the CRC errors. The provider has checked the
> line and they said the line is ok. This router keeps on dropping off and
the
> customer is now getting upset. Any idea have any ideas what I can check or
> try next?
>
> Thanks
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