[asterisk-users] Newbie in China: Red alaram in Zaptel for E1

[Watkins, Bradley]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> Lee, John (Sydney)
> Sent: Thursday, July 31, 2008 3:36 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] Newbie in China: Red alaram in 
> Zaptel for E1
> 
> > if after you tried both straight through & crossover cables and
> > it still give you RED alarm. just tell them you can't get any
> > clocking signal. they'll probably send someone on site and test
> > the line.
> >
> Yes, I tried all sorts of cables and ended up getting the 
> local contact
> to complain to NETCOM.  An engineer came and swapped the 
> "Fast Ethernet
> to E1" converter.
> Now we use a normal RJ45 cable to connect the converter to 
> TE412P card.
> The lights turns green but changes to yellow and green again.
> dmesg shows a continuous stream of:
> 
> wct4xxp: Clearing yellow alarm on span 1
> wct4xxp: Setting yellow alarm on span 1
> timing source auto card 0!
> timing source auto card 0!
> wct4xxp: Clearing yellow alarm on span 1
> wct4xxp: Setting yellow alarm on span 1
> timing source auto card 0!
> timing source auto card 0!
> wct4xxp: Clearing yellow alarm on span 1
> wct4xxp: Setting yellow alarm on span 1
> timing source auto card 0!
> timing source auto card 0!
> wct4xxp: Clearing yellow alarm on span 1
> wct4xxp: Setting yellow alarm on span 1
> timing source auto card 0!
> timing source auto card 0!
> wct4xxp: Clearing yellow alarm on span 1
> 
> ...and I am using the following in zaptel.conf
> 
> span=1,1,0,ccs,hdb3,crc4
> bchan=1-15,17-31
> dchan=16
> 
> ... I have changed the timing source from 1 to 0 to 2 but it doesn't
> make any difference.
> 
> Any thoughts?


Sounds like you're making progress.  I would try the above span
definition without the crc4.  That might do the trick.

Regards,
- Brad