NEC NEAX 2000 IPS Maintenance Manual page 186

CARD NAME
PN-4BRTA-A RUN lamp is not
(BRT) flashing
ALM3 lamp is on
ALM2 lamp is on
ALM1 lamp is on
ALM0 lamp is on
Remedial Action on Each Lamp Status
LAMP FAULT
STATUS CONTENT
Abnormal opera-
tion of BRT card
No.3 circuit trans-
mission line fault
No.2 circuit trans-
mission line fault
No.1 circuit trans-
mission line fault
No.0 circuit trans-
mission line fault
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
REMEDIAL ACTION
Confirm the programming data:
1
CM05 Y=0/Y=1.
Check to see if the SENS switch is
2
set as per the AP Number (04-15,
20-31) assigned by CM05, CM07
Y=2.
Reset the MB switch.
3
(Down Up Down)
If the fault cannot be cleared,
4
replace the card.
Confirm No.3 circuit line status.
1
Confirm PSTN line status.
2
Confirm No.2 circuit line status.
1
Confirm PSTN line status.
2
Confirm No.1 circuit line status.
1
Confirm PSTN line status.
2
Confirm No.0 circuit line status.
1
Confirm PSTN line status.
2
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NWA-008847-001 Rev.3.0
a6ch2001.fm