Port Leds; Rear Panel Description - Cisco 2431 - IAD Router Hardware Installation Manual

Rear Panel Description

The System LED shows whether the system is receiving power and is functioning properly.
Table 1-1
Table 1-1
Color
Off
Blinking green
Green
Amber

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.
the port LED colors.
Table 1-2
LED Color
Off
Green
Blinking green Activity. Port is sending or receiving data.
Alternating
green-amber
Amber
Rear Panel Description
The Cisco ME switch rear panel has a cable lock and an exhaust fan. (See
Figure 1-5
1
2
Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide
1-6
lists the LED colors and their meanings.
System LED
System Status
System is not powered on.
POST is in progress.
System is operating normally.
System is receiving power but is not functioning properly.
Meaning of Port LED Colors
Meaning
No link, or port was administratively shut down.
Link present but not 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 a link-fault indication.
Port is disabled.
Cisco ME Switch Rear Panel
1 1
2 2
3
Cable lock Ground connector
Fan exhaust
2 3
Chapter 1 Product Overview
Table 1-2 explains how to interpret
Figure 1-5.)
OL-7678-01