NEAX2000
IVS
2
Maintenance Manual
Page 108
ND-70926
(E),
Issue
3.0
CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
PN-IPTB
(IPT)
L1 lamp is not on
Communication
error
Confirm whether the LYR lamp is on.
Confirm the programming data: CMA7
Check to see if the LAN cable is
correctly connected.
Reset the MB switch.
(Down
→
Up
→
Down)
Send ping to the IP address of the IPT
from a computer on the LAN, and
confirm whether the reply is given.
When there is no reply, go to
.
For Point-to-Point connection only,
confirm the following:
a. Confirm the opposite side condition as
to
above.
b. Send ping to the IP address of the
opposite IPT from a computer on the
LAN, and confirm whether the reply is
given.
When there is no replay, the LAN is
abnormal condition.
If the fault cannot be cleared, replace
the card.
LYR lamp is not on
Network feature
failure
Confirm the programming data: CMA7
Reset the MB switch.
(Down
→
Up
→
Down)
If the fault cannot be cleared, replace
the card.
Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME
LAMP STATUS
FAULT
CONTENT
REMEDIAL ACTION
1
2
3
4
5
7
6
1
5
7
1
2
3
Содержание NEAX 2000IVS2
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