Clk Fail; Clk Status Changed - NEC iPASOLINK EX Advanced Instruction Manual

CORRECTIVE MAINTENANCE
Procedure 5-2
1.
2.
3.
4.
5.
6.
\

CLK FAIL

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.
2.
3.

CLK Status Changed

This condition is not an alarm.The message indicates that a change has been made to
Reference Clock:
iPASOLINK EX Advanced: O
Check if any alarm(s) occur(s) to the equipment in the other site, and clear it/
them.
Retrieve the
Current Status
Is the alarm cleared?
CLK Drift

YES: This step ends the procedure.

NO: Go to Step 4.
Check if any alarm(s) issued to the indicated port/line is/are cleared.
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.
Retrieve the Current Status
alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
Check if any other alarm(s) is/are detected from/for the indicated facility or from
the other site.
Clear the alarm(s).
Retrieve the
Current Status
alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
& M
PERATION AINTENANCE
, and check if the
CLK Drift
, and check if the CLK Drift
, and check if the
CLK Fail
5-23
alarm is cleared.
alarm is cleared. If the
Equipment
alarm is cleared. If the
Equipment
GGS-000548-01E