99
Assembling and Installing DC
Power Cables for the SPARC
Enterprise T5220 Server
This section provides the following DC input power information for the SPARC
Enterprise T5220 server:
■
“Requirements for Servers With DC Input Power” on page 99
■
“Assembling and Installing the DC Input Power Cables” on page 101
The procedures in this section are only for the SPARC Enterprise T5220 server.
Do not use this section for assembling the DC power cables for the SPARC Enterprise
T5120 server. Instead, see,
“Assembling and Installing the DC Input Power Cables”
.
Requirements for Servers With DC Input
Power
The following restrictions apply to the SPARC Enterprise T5220 server with DC input
power:
■
The DC version of the server must be installed in a restricted-access location.
According to the intent of the National Electrical Code, a restricted-access location
is an area intended for qualified or trained personnel only and has access
controlled by a locking mechanism, such as a key lock or an access card system.
■
The server must not be directly connected to centralized DC mains.
DC Supply and Ground Conductor Requirements
The server ground conductor must meet the following requirements:
■
Suitable conductor material: use copper conductors only
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