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HP Integrity rx7640 and HP 9000 rp7440 Servers User Service Guide

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Table 9 Example Weight Summary (continued)
Weight (kg)Multiply ByQuantityComponent
6.40 (2.90)1.6 (0.73)4Hard disk drive
90.0 (41.0)90.0 (41.0)1Chassis with skins and front
bezel cover
191.56 (87.0)Total weight
Table 10 Weight Summary
Weight (kg)Multiply ByQuantityComponent
27.8 (12.16)Cell Board
0.34 (0.153)PCI Card
18 (8.2)Power Supply (BPS)
2.2 (1.0)DVD Drive
1.6 (0.73)Hard Disk Drive
90.0 (41.0)Chassis with skins and front
bezel cover
Total weight
Electrical Specifications
This section provides electrical specifications for the server.
Grounding
The site building shall provide a safety ground and protective earth for each AC service entrance
to all cabinets.
Install a protective earthing (PE) conductor that is identical in size, insulation material, and thickness
to the branch-circuit supply conductors. The PE conductor must be green with yellow stripes. The
earthing conductor must be connected from the unit to the building installation earth or if supplied
by a separately derived system, at the supply transformer or motor-generator set grounding point.
Circuit Breaker
The Marked Electrical for the server is 15 amps per line cord. The recommended circuit breaker
size is 20 amps for North America. For countries outside North America, consult your local electrical
authority having jurisdiction for the recommended circuit breaker size.
The server contains four C20 power receptacles located at the bottom rear bulkhead. A minimum
of two power cords must be used to maintain normal operation of the server. A second set of two
cords can be added to improve system availability by protecting, for example, against power
source failures or accidentally tripped circuit breakers. The server can receive AC input from two
different AC power sources.
System AC Power Specifications
Power Cords
Table 11 lists the various power cables available for use with the server. Each power cord is 15
feet (4.5 meters) in length with a IEC 60320-1 C19 female connector attached to one end.
26 Server Site Preparation