NEC NEAX 2000 IPS - Page 213

CHAPTER 2 TROUBLESHOOTING
– 203 – NWA-008847-001 Rev.3.0
a6ch2001.fm
Remedial Action on Each Lamp Status
Continued on next page
CARD NAME
LAMP
STATUS
FAULT
CONTENT
REMEDIAL ACTION
PN-M10
(M10)
CK0 lamp is not
on
Cable connection
failure between
Digital Trunk
Interface and No. 0
circuit of M10
Check to see if the cable between
Digital Trunk Interface and M10 is
correctly connected.
Check the switch setting of M10.
If the fault cannot be cleared,
replace the card.
CK1 lamp is not
on
Cable connection
failure between
Digital Trunk
Interface and No. 1
circuit of M10
Check to see if the cable between
Digital Trunk Interface and M10 is
correctly connected.
Check the switch setting of M10.
If the fault cannot be cleared,
replace the card.
TALM lamp is on Optical output line
fault
Check to see if the cable between
Digital Trunk Interface and M10 is
correctly connected.
Check the switch setting of M10.
If the fault cannot be cleared,
replace the card.
RALM lamp is on Optical input line
fault
Check to see if the optical cable
between the own side M10 and the
remote side M10 is correctly con-
nected.
Check the switch setting of own
side M10 and remote side M10.
If the fault cannot be cleared,
replace the card.
1
2
3
1
2
3
1
2
3
1
2
3
FAULT DIAGNOSIS AND TROUBLESHOOTING