Power Supply; Fans - Allied Telesis AT-x220-28GS Installation Manual

Power supply

Fans

Each switch has an internal power supply with a single AC power supply
socket on the back panel. A power cord and a power cord retainer hook
are supplied with the switch. The power supply is not field replaceable.
Warning
Power cord is used as a disconnection device. To de-energize
equipment, disconnect the power cord. E3
For the power requirements, see "Power specifications" on page 44.
Each switch has an internal fan.You cannot remove or replace these fans
in the field. The fan status is indicated with the Fault LED. See "Power and
Fault LEDs" on page 10 and Table 2 on page 11 for more information.
AT-x220-28GS Switch Installation Guide
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