Fujitsu PRIMERGY RX4770 M2, Руководство по эксплуатации

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RX4770 M2
Operating Manual 57
Hardware installation
Installation in PRIMECENTER/Datacenter rack
Please follow the installation requirements for connection to the mains
described in the rack manuals.
Installation in 3
rd
party racks without main connection according to
IEC309 or outside of racks
I
1. These additional installation requirements ONLY apply when 4 PSUs
are connected to a high line voltages (220V or higher).
2. These requirements DO NOT apply when PSUs are connected to low
line voltages (100-127V and 200V) OR if at least one PSU is
connected into a separate AC source (e.g. UPS).
V
CAUTION!
These additional installation requirements are REQUIRED to avoid risk
of high leakage current which may result in electric shock.
1. Systems REQUIRE being installed in a location having equipotential
bonding (such as a telecommunication center, a dedicated computer room
or a
*RESTRICTED ACCESS LOCATION .
* Definition of RESTRICTED ACCESS LOCATION is a location for
equipment where both of the following apply:
– Access can only be gained by SERVICE PERSONS or by USERS who
have been instructed about the reasons for the restrictions applied to the
location and about any precautions that shall be taken; and
– Access is through the use of a TOOL or lock and key, or other means of
security, and is controlled by the authority responsible for the location.
2. The building installation shall provide means for connection to protective
earth as follows: Connection to protective earth can be provided by the
socket-outlet that provides power to the PSU. A service person requires
checking the socket-outlet to make sure it has a protective earth. If the
socket-outlet does not have a protective earth, then the service person
requires arranging:
– Installation of a protective earth conductor from the system to the
building installation. The grounding bolt is located on the chassis rear left
side wall designated by the
symbol.