Nortel Communication Server 1000 Series Manual page 139

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Procedure 45 "Testing the fiber-optic link" (page 140)
Remote Multi-IPE Interface at both ends of the link and the fiber-optic link
itself. If a redundant link is configured, this test checks both links.
Copyright © 2007-2009 Nortel Networks
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To test the disabled near-end superloop, execute the T SL
command at the MMI terminal.
To test the disabled far-end superloop, execute the T SL D
command at the MMI terminal.
Run the test once by typing 0 or run the test for a number
of minutes from 1 to 98 by typing a number that represents
minutes. By typing 99, the test runs continuously until stopped.
Stop the test by typing S.
Example:
FII::>T SL
Enter Super Loops to Test (1-4) 1
Enter Duration of Test (1-98 Mins, 0= Once, 99=
Forever)
Verify Super Loops are Disabled. Hit Q to quit or any
Key to Cont
Testing Super Loop 1
Link 1 PASSED
Link 2 PASSED
Link 3 PASSED
Link 4 PASSED
DS-30 Link Test Completed DS-30A Frame 1 PASSED
DS-30A Frame Test Completed
DS-30A Clock 1 PASSED
DS-30A Clock Test Completed
Super Loop 1 PASSED
Test Summary
Super Loop 1 PASSED)
If the test shows problems with superloops, check the superloop
cable connections, the Fiber Remote Multi-IPE Interface, and the
local system cards (Superloop Network and Peripheral Controller
card).
Check each component and replace the faulty one. Execute the
T SL and T SL D commands until the status shows problem free
operation.
After the test has been completed, return the terminal in the Host
SDI mode and execute the ENLL sl command in LD 32.
Nortel Communication Server 1000
Fiber Remote Multi-IPE Interface Fundamentals
NN43021-556 03.01
11 May 2009
Remote IPE fault isolation and correction 139
--End--
tests the Fiber