Chapter 1: Overview
39
is indicated on one of the LEDs next to the MODE LED SELECT button, as
shown in Figure 10.
Figure 10. Front Panel MODE LED SELECT Button and LEDs
The RJ-45 Port MODE LED states are described in Table 7. Each port
MODE is selected by the MODE SELECT button.
Table 7. RJ-45 Port LED MODE States
Switch Model Port
MODE LED State Description
AT-9000/28
AT-9000/28SP
AT-9000/52 COL Solid Green Data collisions are occurring on the port
Off No data collisions are occurring on the port
AT-9000/28POE POE
Solid Green PoE is enabled
Off PoE is disabled
Solid
Amber PD error
Flashing
Amber Switch’s power budget is at maximum usage
AT-9000/28
AT-9000/28POE
AT-9000/28SP
AT-9000/52
SPD
Solid Green Link is established at 1000Mbps
Solid
Amber Link is established at 100Mbps
Off Link is established at 10Mbps
DUP Solid Green Full Duplex mode connection is established
Off Half Duplex mode connection is established
ACT
Flashing
Green Port is transmitting and/or receiving data
(default mode)
Off No activity is established