User's Manual

Chapter 1: Overview
37
LEDs
Here are descriptions of the switch LEDs.
System LEDs There are two system LEDs, the Power (PWR) LED and System (SYS)
LED, as shown in Figure 8.
Figure 8. Power and System LEDs
The system LED states are described in Table 4.
RJ-45 Port LEDs
& MODE LED
SELECT Button
The RJ-45 port LEDs are illustrated in Figure 9.
Figure 9. RJ-45 Port LEDs
On each port, the left LED indicates the Link status.
Depending on the switch, the right LED indicates the status as follows:
AT-9000/12POE: PoE. The AT-9000/12POE does not have a
MODE LED SELECT button.
Table 4. System LED States
LED State Description
Power Green System is powered up (power on)
Off System is not powered up (power off)
SYS Green System is operational
Link Mode/PoE