Allied Telesis AlliedView-EMS 4.0.1 DEVICE MANAGEMENT - Manual (Page 128)

AT-AR750S-DP
AT-AR770S
Note - AT-AR770S: DUP LEDs of active ports will always be orange regardless of the actual
duplex mode of the ports. This is because the current firmware version always returns a
half-duplex value for the Duplex Mode parameter of these ports.
Device Manager LEDs for the AT-AR700S Series
LED State Description
PWR Green The router is receiving power from the main power supply unit.
DUPLEX Green
Gray
The port is operating at full-duplex.
The port is either inactive or is operating at half-duplex.
AlliedView™-EMS 4.0.1 Device Management Guide Page 128 of 411