[Asterisk-Users] dual TE410, both span 3 is broken

[Josh Krueger]

I've seen a similar problem before. Span 3 was throwing errors for  
(what seemed to be) no reason at all. After some testing it seemed  
that the number of errors thrown on Span 3 had a relationship to the  
temperature inside the servers. After installing additional cooling  
the errors had reduced significantly IIRC. This was across numerous  
servers each having 2 Digium quad T1/E1 cards in them.

May not be the same story in your case but try cooling the server and  
see if that helps some.

On Feb 12, 2006, at 3:04 AM, Edwin Groothuis wrote:

> This afternoon I finally figured out more with regarding to a strange
> clock-slip problem we have on our asterisk box.
>
> We have two TE410s, in E1 mode:
>  TE410P version c01a009b
>
> They have their own interrupts:
>  66:  781648298  783747388   IO-APIC-level  t4xxp
> 233:  253890977 1311504670   IO-APIC-level  t4xxp
>
> They have their full 31 channels:
>  span=3,0,0,ccs,hdb3,crc4
>  bchan=63-77,79-93
>  dchan=78
>
>  span=7,0,0,ccs,hdb3,crc4
>  bchan=187-201,203-217
>  dchan=202
>
> And properly configured in zapata:
>  group = 3
>  context=unused
>  switchtype=national
>  pridialplan=unknown
>  prilocaldialplan=unknown
>  signalling = pri_net
>  channel => 63-77,79-93
>
>  group = 7
>  context=unused
>  switchtype=national
>  pridialplan=unknown
>  prilocaldialplan=unknown
>  signalling = pri_cpe
>  overlapdial=no
>  channel => 187-201,203-217
>
> And on them, both the span 3 interfaces gives huge amount of HDLC
> errors in the logging and clockslip-ticks on the line. Juggling the
> cables between other interfaces, and the then-non-span-3 is clear
> and the new-span-3 is full of HDLC errors and clockslips.
>
>
> Myself I'm going with a "this must be hardware problem", unless
> somebody else has an idea.
>
>
> Edwin
> -- 
> Edwin Groothuis      |            Personal website: http:// 
> www.mavetju.org
> edwin at mavetju.org    |          Weblog: http://weblog.barnet.com.au/ 
> edwin/
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