Cisco N540-24Q8L2DD-SYS User Manual

StatusColorLED
Time core is synchronized to an external source including
IEEE1588.
GreenSYNC
System is in Synchronous Ethernet mode.Flashing Green
Acquiring state or Holdover: Time core is in acquiring
state or holdover mode.
Amber
Time core clock synchronization is disabled or in
free-running state.
Off
GNSS is not configured.
OffGNSS
GNSS Normal State. Self-survey is complete.Green
Power up. GNSS is not tracking any satellite.Red
Auto holdover.Amber
Learning state–normal. Self-survey is not completed.Flashing Green
System Fans LED
Cisco N540-24Q8L2DD-SYS has six fans at the back panel.
Table 9: Fan Assembly LED Descriptions
StatusColorLED
Fans are operating normally.GreenSTATUS
Single fan failure.Amber
More than one fan failure or a single PSU fan failure.Red
Fan tray is not receiving power.Off
Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
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Appendix
System Fans LED

Cisco N540-24Q8L2DD-SYS Specifications

General

Brand	Cisco
Model	N540-24Q8L2DD-SYS
Category	Network Router
Language	English