Leds; Downlink Port Data Leds - Cisco Catalyst Micro Series Hardware Installation Manual

Product Overview
Table 2: Available PoE Power for CMICR-4PS and CMICR-4PC Switches
Power Adapter Model
PSU-80W-AC
65 W AC to DC power adapter

LEDs

You can use the system and port LEDs to monitor switch activity and performance. To conserve power, the
LEDs remain off by default when switch is powered on. Press the Mode button to turn on the LEDs.
Figure 4: Switch LEDs

Downlink Port Data LEDs

RJ-45 ports have port LEDs. These LEDs, as a group or individually, provide information about the switch
and about the individual ports.
Color
Off
Green
Blinking green
Blinking green-amber
Available PoE
65 W
50 W
Description
No link or port was administratively shut down.
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.
Cisco Catalyst Micro Series Switch Hardware Installation Guide
LEDs
5