[Asterisk-Dev] E1, crc-4 errors

Konrad Gorski konrad.gorski at abc-dc.com.pl
Mon Jun 2 06:15:01 MST 2003


On my side I have no errors too, but on Telco-side are CRC errors.
Are you able to get some stats from the Colt-side?
Konrad

-----Original Message-----
From: asterisk-dev-admin at lists.digium.com
[mailto:asterisk-dev-admin at lists.digium.com] On Behalf Of Otmar Lendl
Sent: Monday, June 02, 2003 2:55 PM
To: asterisk-dev at lists.digium.com
Subject: Re: [Asterisk-Dev] E1, crc-4 errors

On 2003/06/02 14:06, Konrad Gorski <konrad.gorski at abc-dc.com.pl> wrote:
> I'v just obtained from Telco results of sync test on line E1<->E100P.
> It's OK, line is synchronized, no errors. Problem is with CRC only.
> Maybe framer on my E100P is faulty (what about, Mark?). 
> CRC is essential for certify E100P in Poland.
> 
> Is someone in Europe using E100P/E400P connected to E1 with CRC
> checking?

I connected a E400P to a Colt E1 line in Vienna/Austia last friday.

My settings are (after lots of googling [like: what driver to use for
that card? Answer: tor2] and guessing):

span=1,0,0,ccs,hdb3,crc4
span=2,0,0,ccs,hdb3,crc4
span=3,0,0,ccs,hdb3,crc4
span=4,0,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16
bchan=32-46,48-62
dchan=47
bchan=63-77,79-93
dchan=78
bchan=94-108,110-124
dchan=109

zttool reports:

 x    Current Alarms:     No alarms.                          x
 x    Sync Source:        Internally clocked                  x
 x    IRQ Misses:               0                             x
 x    Bipolar Viol:          5083                             x
 x    Tx/Rx Levels:         0/  0                             x
 x    Total/Conf/Act:      31/ 31/  0                   


/ol 
-- 
< Otmar Lendl <lendl at nic.at>  | nic.at Systems Engineer >
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