System Led; Status Led - Cisco CDB-8U Installation Manual

Product Overview
LED Color
Green
Blinking green
Blinking green-amber
Amber

System LED

Color
Off
Green
Amber

Status LED

Color
Off
Green
Description
Link present but is not sending or receiving data.
Activity. Port is sending or receiving data.
Link fault. Error frames can affect connectivity, and errors such as excessive
collisions, CRC errors, and alignment and jabber errors are monitored for
link faults.
Port is blocked by Spanning Tree Protocol (STP) and is not forwarding data.
After a port is reconfigured, the port LED is amber for up to 30 seconds as
STP searches for loops.
System Status
System is not powered on.
System is operating normally.
System is receiving power but is not operating properly.
Description
Status Mode disabled.
Status Mode Enabled. Port LEDs function as described in
and Uplink Port Data LEDs
Catalyst Digital Building Series Switch Hardware Installation Guide
section.
LEDs
Downlink Port Data LEDs
9