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AT-9400 Series Gigabit Ethernet Switches Installation Guide
43
AT-RPS3204 Redundant Power Supply
The RPS connector on the back panel of the switch connects to the
optional AT-RPS3204 redundant power supply unit, shown in Figure 14.
The unit can provide power to the switch in the event that the switch’s
internal power supply fails.
The AT-RPS3204 redundant external power supply features one
preinstalled AT-PWR3204 Power Module and three empty slots for
additional power modules. Each power module can support one switch.
When fully populated with AT-PWR3204 Power Modules, the
AT-RPS3204 unit can support up to four switches simultaneously. For
information about installing an AT-RPS3204 unit, consult the
documentation shipped with the unit.
Figure 14 AT-RPS3204 Redundant Power Supply Unit
The pinouts for the redundant power supply’s 21-pin D-combo port and
connector are described in “RPS 21-pin D-combo Port and Connector
Pinouts” on page 83.
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R3204
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