NEC NEAX 2000 IPS Maintenance Manual page 214

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