08-27-2008 06:07 PM
Hi,
Got Issues with a unframed CEM setup between 2 PBX.
I'm not a PBX tech, however, my boys says that when they shut a B channel down on 1 side, the other side see nothing and it should.
Do I have to run "framed" mode CEM to get this to work ? In framed mode, Nortel PBX complaint with weird errors
2nd issues is:
I have also fews slips on the PRI incrementing.
My Clocking is setup like:
CO->PBX->ROUTER01-ROUTER02->PBX
In router 01 i'm setup this way:
clock source line primary
In router 02 i'm setup this way:
clock source adaptive 1 closed-loop
I have seend adjustment of the clock. Guys reported no slip for 30min.. however, not sure If I'm using the correct setup ???
09-10-2008 05:54 AM
I've got the similar setup. Option 81->3845 CEM->Network->2811 CEM->Option 11.
I had loss of frame errors when I was setup for unframmed. My config is below.
Host
controller T1 1/0
framing esf
cem-group 0 timeslots 1-24
cablelength short 110
description CEM
!
cem 1/0/0
dejitter-buffer 80
xconnect 10.255.255.1 0 encapsulation udp
local ip addr 10.255.255.20
local udp port 15901
remote udp port 15901
!
Remote
controller T1 1/0
framing esf
cem-group 0 timeslots 1-24
clock source adaptive 0 closed-loop
cablelength short 110
description CEM
!
!
cem 1/0/0
dejitter-buffer 80
xconnect 10.255.255.1 0 encapsulation udp
local ip addr 10.255.255.20
local udp port 15901
remote udp port 15901
!
09-10-2008 06:01 AM
Thanks, I still run unframed. however i've started data-protection mode, ceoip crc check.
its running clean for a week and half.
I've try framed configuration, and pbx guys, start seeing weird error in PBX. I just revert back. I'm not sure why.
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