5-2 LED Overview
5150 Service Aggregation Switch Hardware Installation and Start-up Manual
009-3222-001 Standard Revision H
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2012-2015 Ciena
®
Corporation July 2015
Unit Status LEDs
The unit status LEDs communicate system operational status. They are
located on the left of the faceplate. See Figure 5-1.
Figure 5-1
Unit Status LEDs
Table 5-1
Unit Status LEDs
LED Indication Description
STAT Off System is not operating normally.
Solid Green Indicates status normal/system ready.
Blinking Green System is initializing and performing self tests.
PWR Solid Green Turns on when power is applied and remains on
until the system is powered off.
ALRM Off Normal operating conditions.
Solid Yellow An error has been detected.
TEMP Off System temperature is within the defined
operating range.
Solid Yellow Over temperature alarm condition present. The
system temperature has exceeded the operating
temperature range.
Note: The system cannot distinguish between a faulty and an unpowered supply.
As a result, if redundant power supplies are installed, but only one supply is
connected to a power source, the unpowered supply will cause the system to report
an alarm state. This alarm will be cleared when the power supply is properly
initialized.
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