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