On Mar 18, 2005, at 2:40 AM, George Pajari wrote:
Vicky Shrestha wrote:
The asterisk configuration and the channel bank configuration are
both set to esf and b8zs. Howerver I am still getting the framing
Error "Red and blinking". zttool shows there are no alarms.
According to the manual, Framing Error (Red and Blinking )means
"Network T1 is out of frame (received signal cannot be framed to ESF
or D5 as configured by T1 Option switch 4)"
I tried with both DIP switch on and off, but no help.
Any ideas ?
Is my card or channel bank bad ?
Probably not. More likely your CAC ABI is set up to run in TR08 mode
which is incompatible with standard T1 framing.
Check the LIU board (the Line Interface Board -- as opposed to the FXO
or FXS cards) and look at the PROM. It usually will be marked TR08. If
that is the case you will need to order a D4/ESF upgrade kit. If you
have a 1.x revision TR08 chip, you will need P/N 750-0018. If you have
a 3.x revision TR08 chip, you will need P/N 750-0019.
Are you using a terminal to talk to the CAC? Depending on configuration
you may have the DIP switches disabled and changing them will do no
good. Connect to the CAC and ask it for the T1 configuration to verify
what it really is.
Also make sure you rerun ztcfg after any changes to zaptel.conf.
What does zttool tell you?
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