Pwr 1 And Pwr 2 Dc Power Connectors - Allied Telesis IE340 Series Installation Manual

PWR 1 and PWR 2 DC Power Connectors

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The PWR 1 and PWR 2 connectors are for DC power supplies. You can
power the unit with one power supply or two power supplies for power
redundancy, which protects the device from power loss in the event a DC
power unit fails or loses power.
The switches support the following types of power sources:
AC/DC rectifiers

Un-interruptible power supplies

For power supply requirements, see "Power Supplies" on page 49.
Note
The AT-iMG008 Power Supply and Backup Unit from Allied Telesis
is not compatible with IE340 switches.
Chapter 1: Overview