NEC iPASOLINK EX Advanced, Instruction Manual

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CORRECTIVE MAINTENANCE 5-23
iPASOLINK EX Advanced: O
PERATION
& M
AINTENANCE
GGS-000548-01E
Procedure 5-2
1.
Check if any alarm(s) occur(s) to the equipment in the other site, and clear it/
them.
2.
Retrieve the
Current Status
, and check if the
CLK Drift
alarm is cleared.
3. Is the CLK Drift alarm cleared?

YES:
This step ends the procedure.

NO: Go to Step 4.
4.
Check if any alarm(s) issued to the indicated port/line is/are cleared.
5. Is any alarm reported to the indicated port/line?

YES:
Clear it/them, then go to Step.

NO: Contact NEC for the further maintenance support.
6.
Retrieve the
Current Status
, and check if the
CLK Drift
alarm is cleared. If the
alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
\
Equipment
This condition indicates that the reference clock source failure is detected from the
incoming signal of the indicated facility. The problem of this condition pertains to the
optical fiber cable or electrical cable of the far-end NE.
Procedure 5-3
1. Check if any other alarm(s) is/are detected from/for the indicated facility or from
the other site.
2. Clear the alarm(s).
3.
Retrieve the
Current Status
, and check if the
CLK Fail
alarm is cleared. If the
alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
Equipment
This condition is not an alarm.The message indicates that a change has been made to
Reference Clock:
CLK FAIL
CLK Status Changed