[Asterisk-Users] E1 Red Alarm

[Nicholas Bachmann]

Anton Tinchev wrote:

> Check the crossover cable.

I did, by making a connection between spans 1 and 2 on the Digium card.  
That span worked fine.

Nick

> Nicholas Bachmann wrote:
>
>> Howdy -
>>
>> I'm trying to get a Malaysian PRI E1 up on a TE410P, with no luck.  
>> Right now, the setup is
>>
>> Telco -> HDSL -> WorldDSL UTU801-> 2 BNC E1 -> balun -> crossover -> 
>> TE410P
>>
>> Right now, the CSU/DSU-ish WorldDSL box has a green light indicating 
>> E1 sync, but the TE410P shows a red alarm.  I checked the card by 
>> plugging the crossover from port 1 to port 2 on the 410 (it worked 
>> fine).  It I change any of the cabling (i.e. swap things around), the 
>> green light goes off.
>>
>> I have my suspicions about the balun 
>> (http://www.ctcu.com/catalog/datacom/balun.pdf).  Would a DB15F-RJ45 
>> converter be better the the BNC-balun-RJ45 arrangement we have now?
>>
>> Here's my zaptel.conf:
>> span=1,1,0,ccs,hdb3
>> bchan=1-15
>> dchan=16
>> bchan=17-31
>>
>> The telco line IS working; it was tested and put in a couple of days 
>> ago.  Any ideas why this isn't working?
>>
>> Nick
>>
>>
>
>