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NPT-1020 Installation and Maintenance Manual
Maintenance
ECI Telecom Ltd. Proprietary
7-6
Symptom
Probable cause
Corrective actions
Indicators on MXC panel
FAIL
ACT
MJR MNR
On
Blink Blink Off
Nonexecutable
application software
Power off and wait a few minutes before
powering on again.
When the ACT indicator is off and the MNR
indicator flashes after power-on, download
the embedded software using the Boot
Configuration Tool.
After the embedded software is completely
downloaded to the card, power off and
then power on the card again. The ACT
indicator should flash and the FAIL
indicator should be off after power-on if
the problem is due to a damaged software
bank.
If the FAIL indicator remains on, replace the
NPT-1020 unit.
On
On
On
On
Unsuccessfully executed
application software
Power off and wait a few minutes before
powering on again.
When the ACT indicator is off and the MNR
indicator flashes after power-on, download
the embedded software using the Boot
Configuration Tool.
After the embedded software is completely
downloaded to the card, power off and
then power on the card again. The ACT
indicator should flash and the FAIL
indicator should be off after power-on if
the problem is due to a damaged software
bank.
If the FAIL indicator remains on, replace the
NPT-1020 unit.