23
3 Installing and Routing Cabinet Ground and Power Cables(TN11PDU)
Overhead Cabling
a
Do not install or remove power cables while the equipment is powered on. Ensure that the power is switched off prior
to removing or installing a power cable to avoid bodily injuries.
Bind the power cables in a bundle. Route the external power cables and ground cable through the upper
cable tray. Particularly, connect the ground cable to the ground bolt at the top of the cabinet; thread the
external power cables into the cabinet through the cable holes and connect them to the DC input
terminals on the DC PDU at the top of the cabinet.
Put the cord end terminal on the RTN(+) or NEG(-) input terminal on the PDU with the fluted side facing
outward. Then tighten the screws.
Install ground cables first and then power cables to a cabinet.
Use a Phillips
screwdriver or an
equivalent to punch
cable holes as
needed. Then thread
power cables out
through the cable
holes. See the figure
below.
Adjustable wrench
Phillips screwdriver
Cable tray
Ground cable (yellow-green)
RTN1(+)
NEG1(-)
RTN2(+)
NEG2(-)
RTN(+) NEG(-)
PDU
PDU
(with the Junction Box)
BGND(black)
-48 V Power
cable(blue)
BGND cable (black)
-48 V Power
cable (blue)
CAUTION
NOTE
NOTE
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