NEC iPASOLINK EX Advanced, Инструкция по эксплуатации

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5-26 CORRECTIVE MAINTENANCE
GGS-000548-01E iPASOLINK EX Advanced: O
PERATION
& M
AINTENANCE
4. Retrieve the Current Status , and check if the ETH LF alarm is cleared.

YES:
This step ends the procedure.

NO: Check the associated port of the opposing site as well, then proceed to
the next step.
5. Retrieve the Current Status , and check if the ETH LF alarm is cleared. If the
alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
ETH
This condition indicates that the LOS (Loss of Signal) is detected from the incoming
signal on the indicated Ethernet facility. The problem of this condition pertains to the
optical fiber or to the far-end NE.
Procedure 5-7
1. Verify that the cable connections are all appropriate.
2.
Check if any alarm(s) is/are issued to the far-end NE. If any exist(s), clear it/
them.
3.
Retrieve the
Current Status
, and check if the
ETH LOS
alarm is cleared. If the
alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
ETH
This condition indicates that the 10G Ethernet Port on the remote NE fails.
Procedure 5-8
1. Check that the Ethernet Cables connected to the target port and its associated port
of both local NE and its opposing NE are appropriately connected.
2. Retrieve the Current Status , and check if the ETH RF alarm is cleared.
3.
Is
ETH LF
alarm cleared?

YES: This step ends the procedure.

NO:
Replace the cables, then proceed to the next step.
ETH LOS
ETH RF