[Asterisk-Users] Tellabs Echo Canceller

[Michael D Schelin]

Sorry Guys if I look dumb on this with my post but I've never seen T1's 
come on in that way before. Just disregard my post.


Andrew Kohlsmith wrote:
> On Friday 24 June 2005 16:17, ewr at erols.com wrote:
> 
>>The shelf has 4 25-pair amphenol connectors.  The two on the line side are
>>marked "Receive In" and "Send Out".   The 2 connectors on the drop side are
>>marked "Send In" and "Receive Out". I will be connecting the echo canceller
>>between a PRI and our asterisk box.  We recieve our PRI on an RJ-45 jack,
>>so I assume I will need to make a cable that connects the "Receive
>>Tip/Ring" pair from a Cat5 and wire it to pins 1 & 26 on the "Receive In"
>>connector and take the "Send Tip/Ring" pair and wire them to pins 1&26 on
>>the "Send Out".  The same thing will need to be done for the 2 drop side
>>amphenol connectors so that I can plug an RJ-45 connector in to our
>>Asterisk box.
> 
> 
> It's easy to connect:
> 
> Network rx pair goes to your "send out".  Network tx pair goes to "Receive in" 
> -- similarly your Asterisk-end rx pair goes to "Receive out" and your 
> asterisk tx pair goes to "Send in".
> 
> I am guessing this shelf can handle 24 echo cancellation cards?  It seems a 
> little odd to split the T1s up across 4 connectors but if you're terminating 
> to BIX or something it really does make sense.
> 
> -A.
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