Allied Telesis AT-8000GS/POE User Manual

Page of 52
Chapter 1: Overview
16
LED Definitions
The switch has Light Emitting Diodes (LED) on both the front and rear 
panels that indicate the both the port status and the switch status. The 
different LED types are as follows:
ˆ
“System LEDS” on page 16 — These LEDs indicate the switch power 
supply and diagnostic result status and are are found on the front 
panel.
ˆ
“Stacking Port LEDs” on page 17 — These LEDs indicates the switch 
location in a stack and are found on the front panel.
ˆ
“Mode LEDs” on page 18 — These LEDs indicates the functional 
information that the RJ-45 port LED displays. These LEDs are only 
found on front panels of the AT-8000GS/24 Gigabit Ethernet Switch 
and AT-8000GS/48 Gigabit Ethernet Switch.
ˆ
Port LEDs — These LEDs indicate each port’s status. There are 
different types of port LEDs which are described in the following 
sections:
System LEDS
There are two system LEDs, the Power LED and SYS LED as shown in 
the following figure:
Figure 7  
System LEDs