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Underfloor Cabling
CAUTION
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.
Ground cable
M8 screw
(yellow-green)
Cabling area
M6
5±0.5 N.M
NOTE
When power and ground cables are installed underfloor, there is little space
left for routing external fibers. In this case, fiber management frames must be
used to route external fibers.
Thread power and ground cables into the cabinet through cable holes at the
bottom of the cabinet. Route the ground cable by way of the cabling area,
thread it through the cable hole at the top of the cabinet, and connect it to the
ground bolt. In addition, route the power cables by way of the cabling area to
the top of the cabinet.
Put the cord end terminals of the BGND cable and blue -48 V power cable
on the RTN(+) and NEG(-) input terminals respectively, with the fluted sides
of the cord end terminals facing outward. Then tighten the screws.
If copper fittings have been installed in the power input areas, put the cord
end terminal of each BGND cable on the RTN(+) input terminal on the PDU
with the fluted side facing outward. Then tighten the screws.
Put the two-hole OT terminal of each blue -48 V power cable on the NEG(-)
input terminal on the PDU with the protruding side facing outward.
CAUTION
When copper fittings have been installed, the blue -48 V power cables
must use two-hole OT terminals instead of cord end terminals, while the
BGND cables must use cord end terminals.
1
A1/A2 (-)
A3/A4 (-)
-48 V power cables (blue)
NEG(-)
A1-A4 (-)
-48 V power cables (blue)
NEG(-)
Adjustable wrench
B1/B2 (-) B3/B4 (-)
A1
A3
B1
B3
(+)
(+)
(+)
(+)
BGND cables (black)
RTN(+)
A1
B1
(+)
(+)
BGND cables (black)
RTN(+)
26
Phillips screwdriver
Two-in-one copper
fittings installed
-48 V power cables (blue)
NEG(-)
Four-in-one
B1-B4 (-)
copper fittings
installed
-48 V power cables (blue)
NEG(-)
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