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× Questions about D110/210/410 T1/E1/J1 PRI Cards

D410E issue

12 years 8 months ago #7302 by marvik
Hello,
i have D410P in DELL PowerEdge R310.
This messages appears:
[Sep 1 15:21:43] NOTICE[1879]: chan_dahdi.c:3043 my_handle_dchan_exception: PRI got event: HDLC Bad FCS (8) on D-channel of span 2
[Sep 1 15:21:43] NOTICE[1879]: chan_dahdi.c:3043 my_handle_dchan_exception: PRI got event: HDLC Bad FCS (8) on D-channel of span 2
running dahdi_test:
Opened pseudo dahdi interface, measuring accuracy...
99.808% 99.805% 99.797% 99.804% 99.808%
Call quality is poor, dchannel simetimes going down. Digium digital cards works ok with call perfect quality.
I tested more version of dahdi, including dahdi-linux-complete-2.5.0+2.5.0.
If i not load wct4xxp and make dahdi_cfg.module dahdi_test is ok.
system.conf
span=1,1,0,ccs,hdb3,crc4
bchan=1-15,17-31
echocanceller=mg2,1-15,17-31
dchan=16
It looks like a openvox hw issue.
Can you help please?
BR,
martin
12 years 8 months ago #7304 by hua
Hi,
First,you should make sure that you have crc4;
Second,you can try to commend echocanceller=mg2,1-15,17-31 like this #echocanceller=mg2,1-15,17-31;
Thirdly,you can runcat /proc/interrupts to see if there is any irq sharing;
If you have any questions,you can contact me.


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Skype: upper.hua

Best regards!
12 years 8 months ago #7305 by marvik
Hi,
crc4 is enabled on telco switch, no frame lost problem on both side.
I tested with disabled echo canceller and also with other echo canceller type, do not help.
There is no irq sharing. There is 4x2 CPUs.
processor : 7
model name : Intel(R) Xeon(R) CPU X3450 @ 2.67GHz
Latest bios on R310.
Best Regards,
Martin
12 years 8 months ago #7306 by hua
Hi,
If possible please give me ssh to This email address is being protected from spambots. You need JavaScript enabled to view it. . I will cheak for your system .Also you can add me with MSN This email address is being protected from spambots. You need JavaScript enabled to view it. . I will be wating for you online .

Best regards!
hua
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