NEC UNIVERGE NEAX 2000 IPS, Maintenance Manual

Page: 214 / 262

CHAPTER 2 TROUBLESHOOTING
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NWA-008847-001 Rev.3.0
a6ch2001.fm
Remedial Action on Each Lamp Status
Continued on next page
CARD NAME
LAMP
STATUS
FAULT
CONTENT
REMEDIAL ACTION
PN-RTA
(RTA) ALM lamp is on Fault occurrence Check the installation environment
(including the temperature and
humidity).
If the fault cannot be cleared,
replace the card.
L1LNK lamp is
not on LAN connection
failure Check to see if the connection
between LAN1 port and LAN cable
is correct.
Confirm the condition of the LAN
device (such as power of the HUB)
connected to the LAN1 port of the
RTA.
If the fault cannot be cleared,
replace the card.
L2LNK lamp is
not on LAN connection
failure Check to see if the connection
between LAN2 port and LAN cable
is correct.
Confirm the condition of the LAN
device (such as power of the HUB)
connected to the LAN2 port of the
RTA.
If the fault cannot be cleared,
replace the card.
1
2
1
2
3
1
2
3
FAULT DIAGNOSIS AND TROUBLESHOOTING