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Allied Telesis AlliedView-EMS 4.0.3 Device-Management User Manual

Page 167

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AlliedView™-EMS 4.0.3 Device Management Guide

Page 167 of 468

AT-8550GB

AT-8550SP

Device Manager LEDs for AT-8500 Series

LED

State

Description

PWR

Green

The switch is receiving power.

MASTER Orange

Gray

The switch is the master switch of an enhanced stack.

The switch is a slave switch or is not a member of an enhanced

stack.

DUPLEX Green

Orange

The port is operating in full-duplex mode.

The port is operating in half-duplex mode.