ZXC10 BTSB (V1.0) cdma2000 Base Transceiver Station Installation Manual
10-22
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The minimum bending radius of the main feeder should not be less than 20
times the length of the radius of the main feeder. For one-time bending, the
minimum bending radius is 90 mm. The minimum bending radius of repeated
bends is 200 mm.
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The maximum spacing between the hangers is 1.65 m.
2. Cabling procedure of the main feeder
1) Pre-install the three-feeder clips every 1.5 meters (or according to the actual
condition of the iron tower, but no more than 1.65 meters) along the iron tower
or cabling rack. Note that the spacing should be as even as possible and the
direction of installing them should be the same. When installing two rows of
feeder clips inside the same cabling ladder, the two rows should be parallel and
arranged neatly. Fig. 10.4-13 shows the appearance of a three-feeder clip.
Fig. 10.4-13 Three-feeder Clip
2) Sort out the main feeders from the antenna to the equipment room inside.
3) Fix the main feeders from top to bottom and sort them out while attaching the
three-feeder clips. Fasten the feeder clips after smoothing the main feeders. Note
that you should keep the main feeders flat and straight rather than allowing any
bulge between two feeder clips or fixing the feeders at the two ends
simultaneously.
4) Fix the main feeders with three-feeder clips along the outdoor cabling ladders
prepared by the network operator for the main feeders to be routed along the
building top to the equipment room inside.
Содержание ZXC10 BTSB I1
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Страница 186: ...ZXC10 BTSB V1 0 cdma2000 Base Transceiver Station Installation Manual B 4 Fig B 6 1 Antenna Feeder DTF Measurement ...