Kontron CG1200 Carrier Grade Server - Manual (Page 66)

60
Kontron CG1200 Carrier Grade Server Installation and Maintenance Guide 60
•
Personal grounding device such as an anti-static wrist strap and a grounded conductive pad
4.10.3 Equipment Rack Precautions
CAUTION: ANCHOR THE EQUIPMENT RACK — The equipment rack must be anchored to an
unmovable support to prevent it from falling over when one or more servers are extended in front of it on
slide assemblies. The equipment rack must be installed according to the manufacturer’s instructions. You
must also consider the weight of any other device installed in the rack.
Mains power disconnect — The power cord(s) is considered the mains disconnect for the server and
must be readily accessible when installed. If the individual server power cord(s) will not be readily
accessible for disconnection then you are responsible for installing a power disconnect for the entire rack
unit. This main disconnect must be readily accessible, and it must be labeled as controlling power to the
entire rack, not just to the server(s). To remove all power, two power cords must be removed.
Grounding the rack installation — To avoid the potential for an electrical shock hazard, for AC power
you must include a third wire safety ground conductor with the rack installation. For DC power the two
studs for chassis enclosure grounding must be used for proper safety grounding. See “E” in Figure 6
for
the location of the ground studs. With AC power, if the server power cord is plugged into an outlet that is
part of the rack, then you must provide proper grounding for the rack itself. If the server power cord is
plugged into a wall outlet, the safety ground conductor in the power cord provides proper grounding only
for the server. You must provide additional, proper grounding for the rack and other devices installed in it.
AC overcurrent protection — When AC power is used, the server is designed for a line voltage source
with up to 15 amperes of overcurrent protection per cord feed. If the power system for the equipment rack
is installed on a branch circuit with more than 15 amperes of protection, you must provide supplemental
protection for the server. The overall current rating of a server configured with two power supplies is less
than 6 amperes.
CAUTION: Temperature — The operating temperature of the server, when installed in an equipment rack,
must not go below 5°C (41°F) or rise above 40°C (104°F) ). Extreme fluctuations in temperature can
cause a variety of problems in your server.