NEC NEAX 2000 IPS Maintenance Manual page 215

CARD NAME
PZ-M623 W1LNK lamp is
(ETHER) not on
PZ-M649 W1LNK lamp is
(DTI) not on
PBXRED is on
PBXYEL is on
PBXBLU is on
PZ-M650 W1LNK lamp is
(DTI) not on
Remedial Action on Each Lamp Status
LAMP FAULT
STATUS CONTENT
LAN connection
failure
LAN connection
failure
PCM signal loss or
Multi-Frame
Alignment signal
loss or Frame
Alignment signal
loss
PMT Alarm
AIS Alarm
LAN connection
failure
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
REMEDIAL ACTION
Check to see if the LAN cable is
1
correctly connected.
Confirm the condition of the LAN
2
device (such as power of the HUB)
connected to the ETHER.
If the fault cannot be cleared,
3
replace the card.
Check to see if the T1 cable is correctly
connected.
Check to see if the T1 cable is cor-
1
rectly connected.
If the fault cannot be cleared,
2
replace the card.
Check to see if the T1 cable is cor-
1
rectly connected.
If the fault cannot be cleared,
2
replace the card.
Check to see if the T1 cable is cor-
1
rectly connected.
If the fault cannot be cleared,
2
replace the card.
Check to see if the T1 cable is correctly
connected.
– 205 –
NWA-008847-001 Rev.3.0
a6ch2001.fm