1. Using the D-Shell Connector, connect the DC power cable to the first supply.
2. Hand-tighten the thumb screws at the top and bottom of the shell.
3. Securely connect the wire labeled Ground to an appropriate earth ground.
4. Connect the other two wires to the appropriate outputs of a DC power source.
CAUTION: If the product is connected to DC power sources that are not within the designated
range of the power supplies, damage might occur.
5. Repeat steps 1–4 with the second DC power cable and supply.
WARNING! The server will not be in compliance with NEBS safety ground requirements unless
at least one ground cable/power supply combination is installed at all times.
NOTE: To ensure an adequate ground connection, you must clean mating surfaces to a bright
metal finish and apply an antioxidant before connections are made.
Network cabling
Intra-building connections of the server requires the use of shielded cables grounded at both ends.
CAUTION: The intra-building ports of the equipment are suitable for connection to intra-building
or unexposed wiring or cabling only. The intra-building ports of the equipment must not be
metallically connected to interfaces that connect to the Outside Plant (OSP) or the wiring. These
interfaces are designed for use as intra-building interfaces only (Type 2 or Type 4 ports, as described
in GR-1089-CORE, Issue 4) and require isolation from the exposed OSP cabling. The addition of
primary protectors is not sufficient protection to connect these interfaces metallically to OSP wiring.
DC Power cable color codes
Each DC power cable is shipped with a label that describes each lead. The label is located near
the pigtail leads. The three leads are described in the following table:
DescriptionCable color
Positive returnBlack
Negative input voltageBlue
Safety groundGreen/Yellow
Connecting the cables 23
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