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Preface
Overcurrent protection: The server is designed for an AC line voltage
source with up to 20 amperes of overcurrent protection per cord feed.
If the power system for the equipment rack is installed on a branch
circuit with more than 20 amperes of protection, you must provide
supplemental protection for the server. The overall current rating of a
configured server is less than 6 amperes. It is intended that an
external Surge Protective Device (SPD) will be utilized at the AC
power service for the equipment.
If DC power supplies are installed:
Connection with a DC (Direct Current) source should only be
performed by trained service personnel. The server with DC input is to
be installed in a Restricted Access Location in accordance with
articles 110-16, 110-17, and 110-18 of the National Electric Code,
ANSI/NFPA 70. The DC source must be electrically isolated by double
or reinforced insulation from any hazardous AC source. The DC
source must be capable of providing up to 600 Watts of continuous
power per feed pair.
Main DC power disconnect: You are responsible for installing a
properly rated DC power disconnect for the server system. This mains
disconnect must be readily accessible, and it must be labeled as
controlling power to the server. The circuit breaker of a centralized DC
power system may be used as a disconnect device when easily
accessible and should be rated no more than 10 amps.
Grounding the server: To avoid the potential for an electrical shock
hazard, you must reliably connect an earth grounding conductor to the
server. The earth grounding conductor must be a minimum 14AWG
connected to the earth ground stud(s) on the rear of the server. The
safety ground conductor should be connected to the chassis stud with
a Listed closed two-hole crimp terminal having 5/8 inch pitch. The
nuts on the chassis earth ground studs should be installed with a
10 in/lbs torque. The safety ground conductor provides proper
grounding only for the server. You must provide additional, proper
grounding for the rack and other devices installed in it. The battery
return input terminal is designed as an isolated DC return (DC-I) from
the frame earth ground per NEBS GR-1089-CORE.
Overcurrent protection: Overcurrent protection circuit breakers must
be provided as part of each host equipment rack and must be
incorporated in the field wiring between the DC source and the server.
The branch circuit protection shall be rated minimum 75Vdc, 10 A
maximum per feed pair. If the DC power system for the equipment
rack is installed with more than 10 amperes of protection, you must
provide supplemental protection for the server. The overall current
rating of a server configured is 10 amperes.
Intel
®
Carrier Grade Server TIGI2U User Guide
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