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Installing the RRU Cables
e
Closing the Cover Plate of the RRU Cabling Cavity
M4
1.4N•m
f
RRU+APM30/APM30H (Ver.A)
Grounding the shielding layer
of the power cable:
DC RRU power cable
CPRI optical cable
LOAD4
The DC RRU power cable is connected to one of the LOAD4 to LOAD9 terminals of the PDU.
Strip the jacket of the DC RRU power cable for a small part, press the exposed shielding layer on the
strap, and then connect the PGND cable on the strap to the nearest grounding bolt on the side in the
APM30/APM30H(Ver.A).
The screws on the cover plate should be
tightened until the fastening torque is 1.4 N·m.
Tighten the screws on the cover plate of the
cabling cavity in the sequence shown in the figure.
Metal Shielding layer (25 mm)
18
PGND cable
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