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46 Hardware Description
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DC Power Supply Unit
The PowerConnect 3424 and PowerConnect 3448 switches connect to an external RPS-600 unit to
provide a redundant power option. No configuration is required. The front panel "RPS" LED
indicates whether the external RPS-600 is connected. See Table 2-5 for RPS LED definition.
The PowerConnect 3424/P and PowerConnect 3448/P switches connect to an external EPS-470
unit to provide a redundant power option. No configuration is required. The front panel "RPS"
LED indicates whether the external EPS-470 is connected. See Table 2-5 for RPS LED definition.
Figure 2-11. Power Connection
When the device is connected to a different power source, the probability of failure in the event of
a power outage decreases.