This is a common problem wioth the Nortel Options or any other remote shelf connected via remote carrier.
You are expereicing T1 or CSU/DSU Hardware problems, not a physical switch problem.

Good Luck!

------------------
-Mark Durst

Nev-Comm, LLC
6170 W. Lake Mead #299
Las Vegas, Nevada 89108
(702) 320-2800 x44
(702) 396-2845 facsimile
Visit our web site at https://www.nev-comm.com


-Mark Fratarcangeli
Nev-Comm, LLC
6170 W. Lake Mead #299
Las Vegas, Nevada 89108
(702) 320-2800 x44
(702) 509-0258 cell
(702) 396-2845 facsimile
Visit our web site at http://www.nev-comm.com