Allied Telesis AT-8088/xx (MT and SC) - Manual (Page 38)

Overview
38
AC Power Connector
The AC power connector for the AT-8000 Series Switch is described
below.
The switch has a single AC power supply socket on the back panel,
which has autoswitch AC inputs. To power ON or OFF the switch, you
need to connect or disconnect the power cord.
Refer to ”Technical Specifications” on page 79, for the input voltage
range.