Displaying 2 results from an estimated 2 matches for "255d".
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2005 Jun 24
4
Tellabs Echo Canceller
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...
2005 Aug 18
2
Hardware echo cancellation
Anybody using hardware echo cancelers a PRI at a time ?
What did you use ? How much did they cost ? Where'd you get em.
Tell us about them !
Alan