That sure sounds like it's Analog trunks to me. I believe you will need
a channel bank to go from T1 to 24 ds0's and another to go back to T1. I
could be wrong but I don't think so. I don't think that's what you were
really looking for as far as an echo canceller.
[EMAIL PROTECTED] wrote:
I am getting ready to experiment with the Tellabs 2752 echo canceller.
I have a 255D shelf (and power supply), but am struggling a little on
connecting the echo canceller to a PRI.
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.
Does anyone have a suggestion on the easiest way to do this? I will
make my own cables/connectors if necessary, but I suspect there are
already adapters out and I just don't know where to look. I'd love
some suggestions on the best pieces to use if I do have to make it
myself too.
Thanks for any help or suggestions!
Eric
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