Allied-telesis AT-8550SP User Manual download pdf (Page 38)

Chapter 1: Overview

Power Options and Connectors

This section provides information about the power options and features on

the AT-8500 Series switches:

 “RPS Connector,” next

 “AC Power Connector” on page 39

 “DC Power Connector” on page 39

RPS Connector The RPS connector on the back panel of the switch connects to an

optional AT-RPS3004 or AT-RPS3104 redundant power supply unit.

Figure 8 illustrates an AT-RPS3004 unit. A redundant power supply unit

can provide power to the switch in the event the switch’s internal power

supply should fail.

Note

The AT-RPS3004 unit is used with the AT-8516F/SC, AT-8524M,

AT-8550GB, and AT-8550SP switches. The AT-RPS3104 unit is

used with the AT-8524POE switch. Do not use the AT-RPS3004 unit

with the AT-8524POE switch.

A redundant external power supply comes with one pre-installed power

module and has three empty slots for additional power modules. Each

power module can support one switch, making the unit capable of

supporting up to four switches simultaneously.

Figure 8. AT-RPS3004 Redundant Power Supply Unit

Note

DC models of the AT-8500 Series switches do not feature an RPS

connector.

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Allied-telesis AT-8550SP User Manual Page 38