2-103
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 2 Alarm Troubleshooting
2.6.160 PWR
Step 3
If the condition does not clear, log into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800 553-2447).
2.6.160 PWR
Default Severity: Major (MJ), Non-Service Affecting (NSA)
Logical Object: PWR
The NE Power Failure at Connector alarm occurs when one of the two power supplies (A or B) is not
detected. This could be because the supply is removed or is not operational. The alarm does not
distinguish between the individual power supplies, so onsite information about the alarm is necessary
for troubleshooting.
Effects of this alarm depend upon the shutdown order of the two power supplies. If PWR B of the
right-side power feed and PWR A of the left-side power feed are shut down, this causes all three fans to
turn off and a
to be raised. In this case, after power is restored all three
fans work in high-speed mode for a few minutes until CTC returns them to normal speed. All alarms are
cleared.
Clear the PWR Alarm
Step 1
At the site, determine which battery is not present or operational.
Step 2
Remove the power cable from the faulty supply. For instructions, refer to the “Install the Bay and
Backplane Cable” chapter in the
Cisco ONS 15600 SDH Procedure Guide
and reverse the power cable
installation procedure.
Step 3
If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call Cisco TAC (1 800 553-2447).
2.6.161 PWR-FA
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
Logical Object: BPLANE
The Backplane Power Fuse Failure alarm indicates that the backplane EEPROM memory 5-VDC fuse
fails, but the equipment is still in service. Service is not currently affected, but network management can
be affected because the ONS 15600 SDH system uses a default NE (node) IP address instead of a
programmed one in this case. This alarm might be accompanied by the
, which appears in the alarm history when network management capability is restored.
Do not attempt to troubleshoot the alarm. If the alarm does not clear, log into the Technical Support
Website at http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800 553-2447).
2.6.162 PWR-FAIL-A
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
Содержание Cisco ONS 15600 SDH
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