26 Hardware Description
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Port LEDs
Each port has one corresponding LED located above the port. The LEDs show either link
activity or duplex mode, depending on the port LED display mode. For information about
setting the LED display mode, see "System LEDs".
Port Link Activity
Port Duplex Mode
System LEDs
The eight system LEDs indicate the status of various aspects of the device:
• As shown in the front panel figures at the start of this section, the two system LEDs on
the upper left side represent Link Activity and Duplex. These LEDs indicate whether
the port LEDs are displaying link activity or duplex status.
• The two LEDs on the lower left-side of the figures show the link activity status of Giga
Ports 1 and 2 as follows:
Color Activity Definition
Green Static Port link up.
Port operating at 100 Mbps.
Green Flashing Port link up with activity.
Port operating at 100 Mbps.
Red Static Port link up.
Port operating at 10 Mbps.
Red Flashing Port link up with activity.
Port operating at 10 Mbps.
Off Off Port link down.
Color Activity Definition
Green Static Port full duplex.
Off Off Port link down or half duplex.