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Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide
OL-7678-01
Chapter 1 Product Overview
Rear Panel Description
The System LED shows whether the system is receiving power and is functioning properly.
Table 1-1 lists the LED colors and their meanings.
Port LEDs
Each RJ-45 port and SFP module slot has a port LED. These port LEDs, as a group or individually,
display information about the switch and about the individual ports. Table 1-2 explains how to interpret
the port LED colors.
Rear Panel Description
The Cisco ME switch rear panel has a cable lock and an exhaust fan. (See Figure 1-5.)
Figure 1-5 Cisco ME Switch Rear Panel
Table 1-1 System LED
Color System Status
Off System is not powered on.
Blinking green POST is in progress.
Green System is operating normally.
Amber System is receiving power but is not functioning properly.
Table 1-2 Meaning of Port LED Colors
LED Color Meaning
Off No link, or port was administratively shut down.
Green Link present but not sending or receiving data.
Blinking green Activity. Port is sending or receiving data.
Alternating
green-amber
Link fault. Error frames can affect connectivity, and errors such
as excessive collisions, CRC errors, and alignment and jabber
errors are monitored for a link-fault indication.
Amber Port is disabled.
1 Cable lock 3 Ground connector
2 Fan exhaust
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