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? > 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? > /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 -- _____________________________________________________________________ -- 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
