Nortel Application Switch Installation Manual page 19

Table 7 describes the various states represented by the lights and conditions of the LEDs on the
switch.
Table 7 LED State Indicators
LED
Application Switch 2000 Series
FE Ports
Left LED
Right LED
SFP GBIC Ports
LED
Management Port
Left LED
Right LED
Power
LED
Fan
LED
State
On (Green)
Off
On (Green)
Off
Blinking (Green)
On (Green)
Off
Blinking (Green)
On (Green)
Off
On(Green)
Off
Blinking (Green)
On (Green)
Off
On (Amber)
Off
Nortel Application Switch Hardware Installation Guide
Description
100BaseT
10BaseT
Link is Active
Link is Inactive
Data is being processed
Link is Active
Link is Inactive
Data is being processed
100BaseT
10BaseT
Link is Active
Link is Inactive
Data is being processed
Power is On
Power is Off
A fan has failed and/or the internal
temperature has exceeded the
threshold. See "Troubleshooting"
on page 35 for more information.
The fans are functioning.
19