Allied-telesis AT-9448Ts/XP (Basic Layer 3) Manual de usuario Pagina 31

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AT-9400Ts Stack Installation Guide
31
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 8.
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-PWR3202 Power Module and three empty slots for
additional power modules. Each power module can support one switch.
When fully populated with AT-PWR3202 Power Modules, the
AT-RPS3204 unit can support up to four switches, simultaneously. For
information about installing an AT-RPS3204 unit, consult the
documentation that ships with the unit.
Figure 8 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 106.
AT- P W
R3204
P
O
W
E
R
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