Chapter 1: Overview

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

LED State

Description

MODE

 

 

 

 

 

 

 

AT-9000/28

 

Solid Green

Data collisions are occurring on the port

AT-9000/28SP

COL

 

 

Off

No data collisions are occurring on the port

AT-9000/52

 

 

 

 

 

 

 

Solid Green

PoE is enabled

 

 

 

 

 

 

Off

PoE is disabled

 

 

 

 

AT-9000/28POE

POE

Solid

PD error

 

 

Amber

 

 

 

 

 

 

 

Flashing

Switch’s power budget is at maximum usage

 

 

Amber

 

 

 

 

 

 

 

Solid Green

Link is established at 1000Mbps

 

 

 

 

 

SPD

Solid

Link is established at 100Mbps

 

Amber

 

 

 

 

 

 

 

 

AT-9000/28

 

Off

Link is established at 10Mbps

AT-9000/28POE

 

 

 

 

Solid Green

Full Duplex mode connection is established

AT-9000/28SP

DUP

 

 

AT-9000/52

Off

Half Duplex mode connection is established

 

 

 

 

 

 

 

Flashing

Port is transmitting and/or receiving data

 

ACT

Green

(default mode)

 

 

 

 

 

Off

No activity is established

 

 

 

 

39

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Allied Telesis AT-9000/28POE, AT-9000/12POE manual Mode