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Hardware Features
Port LEDs
The Catalyst Switch Module 3110G and 3012 port LEDs show interface activity and link status.
Table 1-8
Table 1-8
Color
Off
Green
Blinking green
When stack mode is selected on a Catalyst Switch Module 3110G, port 4 activity and link LEDs show
the status for StackWise Plus ports 1 and 2, respectively. The other port LEDs are off.
LED colors and their meanings.
Table 1-9
Color
Off
Green
The Catalyst Switch Module 3110X port status LEDs show interface activity and link status. (The LEDs
combine to display status when an X2 transceiver is inserted.)
meanings.
Table 1-10
Color
Off
Green
Blinking green
Amber
Alternating
green-amber
Catalyst Switch Module 3110G, 3110X, and 3012 for IBM BladeCenter Hardware Installation Guide
1-8
lists the LED colors and their meanings.
Catalyst Switch Module 3110G and 3012 Port LEDs
Activity LED Description
No activity.
—
Activity. Port is sending or receiving
data.
Catalyst Switch Module 3110G Port LEDs with Stack Mode Selected
Activity LED Description
No link.
Switch stack link is active.
Catalyst Switch Module 3110X Port LEDs
LED Description
No link, or port was administratively shut down.
Link present.
Activity. Port is sending or receiving data.
Port is blocked by STP and is not forwarding data, or port was
administratively shut down.
Link fault.
Chapter 1
Product Overview
Link Status LED Description
No link, or port was administratively
shut down.
Link present, or the port might be
blocked by Spanning Tree Protocol
(STP) and is not forwarding data.
—
Table 1-9
Link Status LED Description
No link.
Switch stack link is active.
Table 1-10
lists the LED colors and their
lists the
OL-12192-01
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