[c-nsp] POS Interface Alarm

[Mikael Abrahamsson]

On Wed, 13 Apr 2011, Righa Shake wrote:

> Hi,
>
> Am receiving the following error on my Cisco ASR POS Interface.
>
> %SONET-4-ALARM: SIP0/0:  POS0/0/0: B3 BER exceeds threshold, TC alert
> declared.
>
> Any help in finding a solution so as not to get the alarm will be
> appreciated.

What kind of help do you need? BER means Bit Error Rate.

<http://www.opticus.co.uk/white_papers.php#paper5> explains what B3 means.

So you're seeing bit errors on the SONET/SDH link.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se