[Asterisk-Users] CAC Access Bank Manual

Lyle Giese lyle at lcrcomputer.net
Tue Mar 22 18:45:18 MST 2005


Jerry wrote:

>
> 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?
>
> _______________________________________________


Jerry,
where on a Access Bank I do you find a place to plug a terminal in?  I 
have a couple of them here and I don't see any such port...

I also have an Adtran 750 and it does have a 'craft interface' on it.

Lyle




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