On Tue, Aug 16, 2011 at 10:48 AM, Shaun Ruffell <sruff...@digium.com> wrote: > On Tue, Aug 16, 2011 at 10:31:54AM -0400, Eric Merkel wrote: >> I am having a problem with a new PRI turn-up on dahdi 2.5.0 and >> asterisk 1.8.5 that I have not seen before. The PRI is setup as B8ZS, >> ESF and the span shows up and ok. This PRI is merely a crossover T1 >> going into an old DC0 class 5 switch. > > I'm not familiar with this switch however... > >> I am getting the following errors over and over again >> >> [Aug 16 10:26:10] NOTICE[8002]: chan_dahdi.c:3043 >> my_handle_dchan_exception: PRI got event: HDLC Bad FCS (8) on >> D-channel of span 1 >> [Aug 16 10:26:10] NOTICE[8002]: chan_dahdi.c:3043 >> my_handle_dchan_exception: PRI got event: HDLC Abort (6) on D-channel >> of span 1 > > Do these errors start right away or does it take a little bit of time > before they start appearing? >
The error pretty much right away. >> I am also showing CRC4 errors on span as well. >> >> # asterisk -rx "dahdi show status" >> Description Alarms IRQ bpviol CRC4 >> Fra Codi Options LBO >> T2XXP (PCI) Card 0 Span 1 OK 1 0 2938622 >> ESF B8ZS 0 db (CSU)/0-133 feet (DSX-1) >> >> I am leaning towards a misconfiguration on the span on the switch side >> but here is my setup. Can anyone point me in the right direction? >> >> # dahdi_hardware >> pci:0000:06:08.0 wct4xxp+ d161:1220 Wildcard TE220 (5th Gen) >> >> /etc/dahdi/system.conf >> # Span 1: TE2/0/1 "T2XXP (PCI) Card 0 Span 1" (MASTER) B8ZS/ESF ClockSource >> span=1,1,0,esf,b8zs >> # termtype: unknown >> bchan=1-23 >> dchan=24 >> echocanceller=mg2,1-23 > > You have this configured for the switch to provide you timing. Is the > switch really expecting to provide timing to the TE220? > I guess I was just assuming the switch would provide the timing as the telco normally provides this. Would you recommend just turning the timing off? >> /etc/asterisk/chan_dahdi >> [channels] >> language=en >> context=Incoming-Pri >> switchtype=dms100 >> signalling=pri_cpe >> group=1 >> channel => 1-23 >> >> Thanks, >> Eric Merkel > > -- > Shaun Ruffell > Digium, Inc. | Linux Kernel Developer > 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA > Check us out at: www.digium.com & www.asterisk.org > > -- Thanks, Eric -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users