Dell PowerConnect 5324 User's Guide - Page 33
Hardware Components, Power Supplies - power supply
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Figure 2-8. System LEDs The following table describes the system LED indications. Table 2-3. System LED Indications LED Diagnostics (DIAG) Fan (FAN) Redundant Power Supply (RPS) Main Power Supply (PWR) Color Description Green Flashing The system is currently running a diagnostic test. Green Static The system passed the diagnostic test. Red Static The system failed the diagnostic test. Green Static The device fans are operating normally. Red Static One or more fans are not operating. Green Static The redundant power supply is currently operating. Red Static The redundant power supply is not operating. OFF The redundant power supply is not currently operating. Green Static The main power supply is currently operating normally. OFF The main power supply is not currently operating. Red The main power supply has failed Hardware Components Power Supplies The device has an internal power supply unit (AC unit) and a connector to connect the device to an external power supply unit (DC unit). The external unit provides redundancy and is called an RPS unit. To power up the device, only one power supply is required. Operation with both power supply units is regulated through load sharing. Load sharing is where the device power requirements are devided between the two power supplies. If one power supply has an outage, the second power supply automatically continues providing power to the whole device. Hardware Description 33