Nortel Communication Server 1000 Series Manual page 138

138 Remote IPE maintenance
5
6
Procedure 44 "Testing the superloop" (page 138)
to test a superloop connected to the near-end or the far-end Fiber Remote
Multi-IPE Interface units.
To test a near-end superloop, execute the (TEST SUPERLOOP) T SL
command.
To test a far-end superloop, execute the (TEST SUPERLOOP DISTANT) T
SL D command.
Procedure 44
Testing the superloop
Step
1
2
3
Copyright © 2007-2009 Nortel Networks
.
Test Fiber A
Micro Link Up. Test Using Distant Loopback
Fiber Message Test Passed
Fiber Test Completed
All Tests Completed. All Tests Passed.
Analyze the response and determine where the problem may be,
if any.
If the superloop is faulty, the problem can be in the superloop
cables, the local system card (Superloop Network or Peripheral
Controller card), or the Fiber Remote Multi-IPE Interface unit.
Go to Procedure 44 "Testing the superloop" (page 138)
troubleshoot the superloop problems. Go to
"Testing the fiber-optic link" (page 140)
fiber-optic link problems.
After the test has been completed, return the terminal in the Host
SDI mode and enable each disabled superloop by executing the
ENLL sl command in LD 32.
Action
Before starting the test, disable the superloop to be tested by
placing the MMI terminal into the Host SDI mode:
FII::>HO
Enter Password:> HOST)
At the prompt type, LD 32 and press the Enter key to access
the overlay. Then execute the DISL sl command to disable the
superloop sl.
Place the MMI terminal into the MMI mode by entering @@@.
Nortel Communication Server 1000
Fiber Remote Multi-IPE Interface Fundamentals
NN43021-556 03.01
11 May 2009
Procedure 45
to troubleshoot the
--End--
uses the MMI commands
to