Allied Telesis AlliedView-EMS 4.0.1 DEVICE MANAGEMENT - Manual (Page 123)

AT-AR745-DC
Device Manager LEDs for AT-AR700 Series
LED State Description
PWR Green
Red
The router is receiving power from the main power supply unit.
The main PSU has failed.
RPS Green
Red
Gray
The router is receiving power from the redundant power supply.
RPS has failed.
RPS is not installed or RPS monitoring is disabled.
DUPLEX Green The port is operating at full-duplex.
Note - Please refer to Port Interface Cards (PICs) for the operations and behavior of the
Port Interface Cards installed in these devices.
Note - Please refer to Network Service Modules (NSMs) for the operations and behavior of
the Network Service Modules installed in these devices.
Note - Before hotswapping an NSM, make sure periodic device polling is enabled
(File menu -> Properties).
AlliedView™-EMS 4.0.1 Device Management Guide Page 123 of 411