HP LH4r HP Netserver LPr Rack Cabling Guide - Page 37
Power Cabling
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Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Power Cabling Power Considerations for the HP NetServer LPr The HP NetServer LPr supports four voltage ranges with typical values of: 100, 120, 208, or 230/240 VAC. Uniterruptible Power Supply (UPS) and Power Distribution Unit (PDU) components are available to support these configurations. Power considerations for the HP NetServer LPr include: ◊ Appropriately rated UPS models are available. ◊ For 100-120 VAC, a single 16-amp PDU is available. ◊ For 200/208 and 230/240 voltages, two PDU models (rated 10 A and 16 A) are available. ◊ Multiple PDUs can be used in each rack enclosure, depending upon requirements for power, current, and number of receptacles. ◊ The appropriate power cord for each server is shipped according to local requirements; refer to Table 3-1 for details. 100 - 120 VAC PDU Rack Power Configurations The 100-120 VAC PDU power configurations are detailed in the recommendations shown below and in Table 2-3 and Figure 2-11. Connecting the PDU 100 - 120 VAC Configuration The Power Distribution Unit plugs into the Uninterruptible Power Supply (UPS) if one is present. The 100-120 volt PDU uses an E7802A detachable cord with a NEMA 5-20P connector for connections to the receptacles on the right-hand side (viewed from the rear) of the UPS. The power cord connects to the PDU through a C19 connector. CAUTION It is not possible to plug one 16-amp, 100-120 VAC PDU into another. This type of PDU must be plugged directly into a UPS or site AC power circuit. Attempting to plug one of these units into another could result in electrical failure or damage to the equipment. 33