User Manual Chapter 3

3-14 Chapter 3: Installing the Hardware Infrastructure
CBS Status Lights
The Ethernet status lights (LEDs) are in the top corners of the data
connectors. The Power status light is a red LED shown to the right of
the power receptacle in the previous illustration.
The CBS status lights indicate the following conditions.
LED State Meaning
On OK (power is on)
Off PROBLEM (no power)
Power
(red)
Blinking PROBLEM (intermittent power)
On OK (good link)
Off PROBLEM (no link)
C
(green)
Ethernet link
status
Blinking PROBLEM (intermittent link)
On NOT DEFINED
Off PROBLEM (no receive activity)
D
(yellow)
Ethernet
activity
Blinking OK (receive activity)