HP LH4r HP Netserver LH 3000 Rack Cabling Guide - Page 28
Power and Current for Estimating Supply Needs
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Chapter 2 Rack Cabling References 10-amp PDU may not provide sufficient receptacles. In this case, use the Y-cable to connect HP Rack Storage/12 or Rack Storage/12FC units to the PDUs. (b) When required, a pair of Y-cables are supplied per pair of Rack Storage/12 or Rack Storage/12FC units. That is, two Y-cables are supplied for two units. (c) Each Y cable connects either the two right power receptacles or the two left power receptacles of a pair of HP Rack Storage/12 or Rack Storage/12FC units to one receptacle on the PDU. Table 2-5. Receptacles Needed for Units Component Receptacles Required HP NetServer LH 3000r HP Rack Storage/12 one1 for each set of two power supplies, a second1 when the optional redundant power supply is installed two C13 or use Y-Cable2 All other devices one C13 1. For 110/120 VAC, NEMA 5-15 R, for 200/240 VAC, C13 2. Two Y-Cables may be used to connect two Rack Storage/12 units to two C13 receptacles. Power and Current for Estimating Supply Needs When plugging devices into a PDU and UPS, do not exceed the current capacity of the PDU nor the power output UPS. Tables 2-6 and 2-7 show the current requirements of the common rack mounted devices. Rack configuration utilities available from HP can help you plan the layout of your rack. Full parts lists as well as diagrams of component positions and details of power ratings are available. Refer to these if they are available. (See "Rack Configuration Tools" in this chapter.) 24