Loss Announce; Low Ber - NEC iPASOLINK EX Advanced Instruction Manual

CORRECTIVE MAINTENANCE

Loss Announce

This condition indicates that the PTP Announce Packets from the Master are not
received.
Procedure 5-21
1.
2.

Low BER

This condition indicates that the radio signals are slightly degraded, where the
threshold is 1E-7 (default value).
Procedure 5-22
1.
2.
iPASOLINK EX Advanced: O
Check the followings:
 Cable connections to/from the Master are appropriate.
 Ethernet Port Settings if it is enabled or disabled.
 Settings of PTP LIF (selections of physical port, VLAN, Message Rate).
 VLAN Settings (VID value)
 Settings of PTP-BC function ( Profile , Transport Mode , Multicast Type ,
and/or Domain No. ) are identical with those of the Master.
Retrieve the
Current Status
If the alarm is not cleared, contact NEC for the further maintenance support.
This step ends the procedure.
Launch the WebLCT.
Display the
Current Metering
 If the value is appropriate, replace the equipment.
 If the value is inappropriate, proceed with the flowchart:
Shooting Flow .
This step ends the procedure.
& M
PERATION AINTENANCE
, and check if the
Loss Announce
to check .
RX Level
5-37
Equipment
alarm is cleared.
MODEM
5.4 Trouble
GGS-000548-01E