Table 7-3: General Troubleshooting Procedures For Npt-1020 Power-On - Eci Telecom NPT-1020 Installation And Maintenance Manual

NPT-1020 Installation and Maintenance Manual

Table 7-3: General troubleshooting procedures for NPT-1020 power-on

Symptom
Indicators on MXC panel
FAIL ACT MJR
Off Blink
On
On Off Off
On Off On
On Off Off
On Off Off
On Blink Blink
ECI Telecom Ltd. Proprietary
Probable cause
MNR
Off Boot selection
non-existent or
hardware fault
Off BIT of SDRAM failed
Off Boot code not found by
boot selection
Off BIT of SDRAM failed
On BIT of Flash failed
Blink Illogical parameters,
such as the ID or
gateway
Corrective actions
Power off and wait a few minutes before

powering on again.
Wait a minute at most. The ACT indicator

should flash and the FAIL indicator should
be off. If not, replace the NPT-1020 unit.
Power off and wait a few minutes before

powering on again.
Wait a minute at most. The ACT indicator

should flash and the FAIL indicator should
be off. If not, replace the NPT-1020 unit.
Power off and wait a few minutes before

powering on again.
Wait a minute at most. The ACT indicator

should flash and the FAIL indicator should
be off. If not, replace the NPT-1020 unit.
Power off and wait a few minutes before

powering on again.
Wait a minute at most. The ACT indicator

should flash and the FAIL indicator should
be off. If not, replace the NPT-1020 unit.
Power off and wait a few minutes before

powering on again.
Wait a minute at most. The ACT indicator

should flash and the FAIL indicator should
be off. If not, replace the NPT-1020 unit.
Reset the card. When the ACT indicator is

off and the MNR indicator flashes after
reset, modify the incorrect parameters
using the Boot Configuration Tool.
After incorrect parameters are modified

correctly, reset the card again. The ACT
indicator should flash and the FAIL
indicator should be off after resetting.
If the FAIL indicator remains on, replace the

NPT-1020 unit.
Maintenance
7-5