2
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Do not push on or lean against the rack. The front and side stabilizer feet must be extended at all
times.
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Install bottom components into the rack first.
Power Requirements
This section provides information about the power requirements of the AC distribution box supplied by
Intergraph with some systems. Intergraph provides separate AC distribution boxes for domestic and
non-domestic use. This section describes the specifications and functionality of both types.
NOTE If the cutomer purchased a UPS instead of an AC distribution box, refer to the documentation delivered
with the UPS for power information.
Domestic AC Distribution Box
Specifications for the domestic AC distribution box include:
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AC input: 110/220 VAC 60 Hz, 16 Amperes
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Receptacles: eight NEMA 5-15R and one NEMA 6-15R
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Power cable: 9 feet, 12 AWG, 4 conductor with NEMA L14-20P plug
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Output rating: 1760 VA/phase @ 110 VAC, 3520 VA total
The domestic AC distribution box is rated for a maximum output rating of 3520 VA (Volt-Amperes) at
110 VAC. The sum-total VA load that the devices pull must not exceed this maximum, else a breaker
in the AC distribution box trips when power is applied. A second AC distribution box must be installed
to provide the additional power requirement. The following figure shows the domestic AC distribution
box.
Each receptacle on the AC distribution box is rated for a specific VA. The 6-15R receptacle (J9) is
used for the power cord to the server. The remaining eight receptacles (110 V each) are for additional
devices installed in the rack. Notice that the left four (J1-J4) and right four (J5-J8) are on different
phases. Follow these guidelines when connecting equipment power cords:
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If the NEMA 6-15R receptacle (J9) is not used, then the eight NEMA 5-15R receptacles can
support the full 3520 VA load (1760 VA per phase).
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If the NEMA 6-15R receptacle (J9) is used, then the eight NEMA 5-15R receptacles can support
1760 VA load (880 VA per phase).
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