Resolved: 3 PRIs on 2 Digium Cards

Hey all,

I’m trying to setup 3 AT&T PRIs on 2 digium cards. The cards I’m using are the TE110P and TE210P.

Here is the bottom of my zaptel.conf:




And here is the bottom of my zapata.conf:

signalling => pri_cpe
channel => 1-23
channel => 25-47
channel => 49-71

Here is my problem…
After running ztcfg and running asterisk, everything appears to be fine…and then I start receiving these alarms:
[Jul 23 06:28:26] NOTICE[13962]: chan_zap.c:8534 pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel of span 1
[Jul 23 06:28:26] NOTICE[13962]: chan_zap.c:8534 pri_dchannel: PRI got event: HDLC Abort (6) on Primary D-channel of span 1

It seems to happen mainly on span 1 in my particular instance…but it occasionally happens on spans 2 and 3 as well.
If I only use the TE210P with 2 of the PRIs, everything works fine. And using only one PRI on each card works too (not at the same time). From what I can gather, my problem arises from using 2 cards. I’ve read a few things that can occur if certain card modules are loaded before others, but haven’t been able to get much farther than that. Anyone have any experience using these 2 cards together, or run into my situation before?


I would contact Digium support and get there opinion on this but it sounds to me like you probably are having missed interrupts which is usually the case when you have more than one card in your system.


What is the hardware ? what does running zttest show? and zttool ?


ianplain, here is the hardware for this machine:
Dual-Core Intel® Xeon™ CPU 3.00GHz
2G Ram
System is running Ubuntu 7.10 Gutsy.
Cards are TE110P and TE210P.
Software is as follows:

Output of zttest:

[quote]Opened pseudo zap interface, measuring accuracy…
99.987587% 99.982323% 99.987686% 99.987396% 99.987106% 99.987602% 99.987099%
99.987396% 99.986038% 99.987297% 99.987305% 99.987701% 99.987396% 99.987686%
— Results after 14 passes —
Best: 99.988 – Worst: 99.982 – Average: 99.986973, Difference: 99.986973

zttool is not available to me. I compiled Zaptel from source, is there something else I need to obtain that tool?

So is it known that running multiple cards in one system will cause problems?[/quote]

[quote]zttool is not available to me.[/quote] are you sure ? I am yet to come across zaptel with out it. but if its not got compiled then talks you though it

zttest looks ok though for this short time you do need to run it for at least 5 + minutes though to get a true idea and under load is also a good idea


That page lists ‘zap show status’ as an alternative, and here is that output:

[quote]Description Alarms IRQ bpviol CRC4
Digium Wildcard TE110P T1/E1 Card 0 OK 0 0 0
T2XXP (PCI) Card 0 Span 1 OK 0 0 0
T2XXP (PCI) Card 0 Span 2 OK 0 0 0


Any ideas?

Please contact Digium support at +12564286161 or

Called Digium support, just thought I’d let everyone know what happened.

My timing source on the 3 spans were all 1, which is not recommended.
I changed the timing source for the 2nd and 3rd spans to 2 and 3, respectively, and all appears to be well.

Anyway, thanks for the replies.

Thanks for the follow up. Tagged subject as resolved.