[asterisk-users] Problem with E1

[Gareth Blades]

Have you restarted zaptel since making any changes?
You are receiving FCS errors but you dont appear to have crc4 specified 
in your span lines.

If you have removed the option but not restarted zaptel yet then do that 
to see if it fixes the problem.

Chetan Meshram wrote:
> Hi All,
> 
>          I am facing problem with E1 line. I have installed Asterisk 
> (1.4.20.1) on a system with Digium TE420 card (Zaptel- 1.4.10)
> 
>         But every now and then I face problem of down E1's.  The log 
> show lot of entries like
> 
>                     "pri_dchannel: PRI got event: HDLC Bad FCS (8) on 
> Primary D-channel of span 2"
> 
>         This happens on a regular basis and the E1 becomes up after some 
> time.
> 
>         My zaptel.conf is as follows:
> 
>  
> 
> # Span 1: TE4/0/1 "T4XXP (PCI) Card 0 Span 1" (MASTER)
> span=1,1,0,ccs,hdb3
> # termtype: te
> bchan=1-15,17-31
> hardhdlc=16
> 
> # Span 2: TE4/0/2 "T4XXP (PCI) Card 0 Span 2"
> span=2,2,0,ccs,hdb3
> # termtype: te
> bchan=32-46,48-62
> hardhdlc=47
> 
> # Span 3: TE4/0/3 "T4XXP (PCI) Card 0 Span 3"
> span=3,3,0,ccs,hdb3
> # termtype: te
> bchan=63-77,79-93
> hardhdlc=78
> 
> # Span 4: TE4/0/4 "T4XXP (PCI) Card 0 Span 4"
> span=4,4,0,ccs,hdb3
> # termtype: te
> bchan=94-108,110-124
> hardhdlc=109
> 
> # Global data
> 
> loadzone        = us
> defaultzone     = us
> 
>  
> 
>              Any advice what could be the problem..?
> 
>             Thanks in advance !
> 
> -Chetan Meshram
>