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9 Installing and Routing Subrack Power Cables
Universal Platform Subrack
d
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.
WARNING
Diagonal pliers
Cable tie
Phillips screwdriver
RTN(+)
NEG(-)
The protruding side of the two-hole OT terminals on power
cables faces outwards. Connect the OT terminal of the -48
V power cable (blue) to the PIU NEG(-) terminal and the
RTN cable (black) to the PIU RTN(+) terminal.
Remove the front panel of the PIU board.
Inner
side of
the PIU
Inner
side of
the PIU
M3
2#
screwdriver
0.39
±
0.04 N.M
M6
3#
screwdriver
4.90
±
0.49 N.M
When power cables are preinstalled on the left and right sides of a cabinet
When a universal platform subracks needs to be installed on site, power cables are preinstalled on the left and
right sides of the cabinet if the subrack is co-resident with T16 subracks.
NOTE
Route the power cables that are preinstalled on the left side of the cabinet to the right side of the
universal platform subrack along the empty space above the subrack.
