Allied Telesis AlliedView-EMS 4.0.1 DEVICE MANAGEMENT - Manual (Page 407)

Uplink Modules
This section describes the Uplink Modules that can be installed on a switch. If one of these
uplink modules is installed in an uplink bay of a switch, it will be displayed in the uplink bay
image of the device panel in the main window. The operations available for the main device
include the ports in any of these uplink modules.
AT-A35
Note - There are no LEDs on these modules.
AT-A39/T
LED
State Description
DUPLEX Green
Orange
The port is operating at full-duplex.
The port is operating at half-duplex.
Note - Earlier versions of the AT-A39/T uplink module can only operate at 1000 Mbps.
AT-A4x
AlliedView™-EMS 4.0.1 Device Management Guide Page 407 of 411