Selenio
TM
VMG-14+ Hardware Setup Guide
38
Site Preparation
Gen2 Release 1.4.0
Consideration should be given to the connection of the equipment to the supply circuit and the
effect that overloading of the circuits might have on over-current protection and supply wiring.
When connecting equipment to a supply circuit, proper consideration should be taken to avoid
overloading the supply circuits.
•
Reliable Earthing
Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be
given to supply connections other than direct connections to the branch circuit (e.g., use of power
strips).
Rack
Allocation
•
Allow 14 RUs for the Selenio VMG AC system.
•
Allow 13 RUs for the Selenio VMG DC system.
Power
Connectivity
Power cables and cord for use with your Selenio VMG are described in the following sections:
•
next.
•
DC
‐
Power
Cables
To ensure the safe and continued operation of the system, use specifications for chassis ground
cabling (
) and power cabling (
). At each installed PEM, be sure to protect cabled DC
connectors with the snap-on DC terminal block cover.
Note:
Use only a UL listed crimp connector.
Table 16.
DC Ground Connection Specifications
Parameter
Specification
Wire size
8 AWG.
Terminal
Use the cable shelf ground terminal provided on the rear of the
chassis (
Table 17.
DC Power Connection Specifications
Parameter
Specification
Wire size
4 AWG, maximum length 3.0 m.
Terminal connections must use only UL listed ring terminals,
such as the Panduit PM6-6R-L ring terminal.