NEC NEAX 2000 IPS Maintenance Manual page 201

CARD NAME
PN-IPTB L1 lamp is not on
(IPT)
LYR lamp is not
on
Remedial Action on Each Lamp Status
LAMP FAULT
STATUS CONTENT
Communication
error
Network feature
failure
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
REMEDIAL ACTION
Confirm whether the LYR lamp is
1
on.
Confirm the programming data:
2
CMA7
Check to see if the LAN cable is
3
correctly connected.
Reset the MB switch.
4
(Down Up Down)
Send ping to the IP address of the
5
IPT from a computer on the LAN,
and confirm whether the reply is
given.
When there is no reply, go to
For only Point to Point connection,
6
confirm the followings.
a. Confirm the opposite side condition
as
1
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,
7
replace the card.
Confirm the programming data:
1
CMA7
Reset the MB switch.
2
(Down Up Down)
If the fault cannot be cleared,
3
replace the card.
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to above.
5
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NWA-008847-001 Rev.3.0
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a6ch2001.fm