LED Overview 5-3
5160 Service Aggregation Switch Hardware Installation and Start-up Manual
009-3207-001 Standard Revision A
Copyright
©
2013 Ciena
®
Corporation September 2013
Unit Status LEDs
The unit status LEDs communicate system operational status. They are
located on the right center portion of the faceplate. See Figure 5-1.
Figure 5-1
Unit Status LEDs on a 5160 system
Table 5-1
Unit Status LEDs on a 5160 system
LED Indication Description
STAT Off System is not powered or is not operating normally.
Green Indicates status normal/system ready.
Blinking Green System is initializing and performing self tests.
ALRM Off Normal operating conditions.
Yellow An error has been detected.
SYNC Off System is in free run timing mode.
Green System is locked to a synchronization source (external
input such as 1588, SyncE, etc).
Blinking Green System is acquiring synchronization.
Yellow System is in holdover timing mode.
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