[Asterisk-Users] Junghanns 4 port BRI problem

Klaus-Peter Junghanns kpj at junghanns.net
Wed Jun 29 00:45:18 MST 2005


Hi,

CRC errors are caused by bit errors on layer 1. In most cases this is
a cable issue. Did you try replacing the cable from the NT1 to the
quadBRI? How long is that cable?
However if only 1 of the 2 B channels are working then you might 
have your BRI lines get checked or try a different ISDN device on those
lines.

best regards

Klaus
--
Klaus-Peter Junghanns

Am Dienstag, den 28.06.2005, 18:22 +0200 schrieb Doug Reid - Stormcorp:
> Hi All
> 
> I have a Junghanns BRI 4 port installed where only the first channel
> of each line is working i.e. channels 1 and 4 work but 2 and 5 don't.
> 
> Our config is the same on this box as 15 other similar installations
> where all works well. the only error I see is in /var/log/messages:
> 
> Jun 28 15:49:31 pbxct kernel: qozap: CRC error for HDLC frame on card 1
> (cardID 0) S/T port 2
> Jun 28 15:51:27 pbxct kernel: qozap: CRC error for HDLC frame on card 1
> (cardID 0) S/T port 2
> Jun 28 15:53:09 pbxct kernel: qozap: CRC error for HDLC frame on card 1
> (cardID 0) S/T port 2
> Jun 28 15:56:48 pbxct kernel: qozap: CRC error for HDLC frame on card 1
> (cardID 0) S/T port 2
> Jun 28 15:58:06 pbxct kernel: qozap: CRC error for HDLC frame on card 1
> (cardID 0) S/T port 2
> Jun 28 16:01:01 pbxct kernel: qozap: CRC error for HDLC frame on card 1
> (cardID 0) S/T port 2
> 
> Can anyone help with this?
> 
> Thanks
> 
> Doug
> 
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