NEC NEAX 2000 IVS2 Maintenance Manual page 115

Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME
PN-IPTB RUN lamp is not
(IPT) flashing
BUSY lamp is not
on, when even one
line is busy
SUBOPE0-3 lamp
is not on
2
NEAX2000 IVS Maintenance Manual
ND-70926 (E), Issue 3.0
LAMP STATUS
Abnormal operation
of IPT card
Abnormal operation
of IPT card
Abnormal
connection between
IPT and VCT
CHAPTER 2 TROUBLESHOOTING
FAULT
CONTENT
1
Check whether the MODE switch is set
to "0" or "1".
(Standard setting: 0)
2
Confirm the programming data: CM05
Y=0, CM06.
3
Reset the system (Push the SW1 of
MP).
4
Check to see if the SENSE and SW1
switch is set as per the AP Number
(04-15, 20-31) assigned by CM05 Y=0.
5
If the fault cannot be cleared, replace
the card.
1
Confirm the programming data: CM30.
2
Reset the MB switch.
(Down→Up→Down)
3
If the fault cannot be cleared, replace
the card.
1
Check to see if the cable between IPT
and VCT is correctly connected.
2
Reset the MB switch.
(Down→Up→Down)
If the fault cannot be cleared:
3
Replace the cable between IPT and
VCT.
4
Replace the VCT card.
5
Replace the IPT card.
Fault Diagnosis and Troubleshooting
REMEDIAL ACTION
Page 107