Lti; Maintenance; Mdi/Mdi-X; Module - NEC iPASOLINK EX Advanced Instruction Manual

5-38

LTI

This condition indicates that the system detects LTI (Loss of Timing Inputs) where
the equipment does not synchronize with any reference sources. The problem of this
condition pertains to the optical fiber cables, electrical cables, or to the far-end NE.
Procedure 5-23
1.
2.

Maintenance

This condition is not an alarm. When the
set into the Maintenance mode.

MDI/MDI-X

This condition is not an alarm. The message shows the operating type (MDI or MDI-
X) of the indicated Ethernet port currently running.

Module

This condition indicates that the system detects the hardware error of the indicated
object.
Procedure 5-24
1.
2.
GGS-000548-01E
Check if any alarm regarding the reference clock occur. If any exist(s), clear it/
them.
Retrieve the
Current Status
not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
Replace the object.
Retrieve the
Current Status
alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
, and check if the
LTI
Maintenance
, and check if the
Module
iPASOLINK EX Advanced: O
CORRECTIVE MAINTENANCE
Equipment
alarm is cleared. If the alarm is
Equipment
indicates , the system is
On
alarm is cleared. If the
& M
PERATION AINTENANCE
ETH
MODEM
BB
RF