ZXCBTS (V5.4) CDMA Micro Base Transceiver Station & Remote Station Installation Manual
11-6
13. The primary feeder cables of one sector are arranged in one row and they are
queued the same in each row.
14. No copper part of the feeder cable connectors is exposed. Same labels are stuck
at both ends of a feeder cable with the cable length recorded.
15. The GPS core wire is not falsely soldered.
16. The GPS copper core is not short-circuited with the outer layer, and the core
pins of the GPS feeder cable connectors are not exposed.
17. The GPS feeder cable connectors are fastened tight.
11.8 Checking Water-blocking Curve for Feeder Cable Window and
Primary Feeder Cables
Check if:
1. The feeder cable window is fixed on the wall in the equipment room, and the
protruding holes of the feeder cable window are outward faced.
2. The glue-injecting hole on sealing gasket of the feeder cable window is sealed
upward. The window boards are installed in the indoor side of the window.
3. The feeder cable window installed on the top of a building is well sealed.
4. The lowest point of the water-blocking curve is at the place 10cm-20cm under
the feeder cable window.
5. The minimum bending radius of feeder cables is 20 times of the semi-diameter
of feeder cables or more. The bending radius of the primary feeder cables is
more than 0.3m.
6. Keep a minimum length of 0.5m of straight feeder cable both in and out of the
equipment room. There should be at least 0.3m of straight feeder cable in length
through the lightning arrester.
11.9 Checking Hangers
Check if:
1. The hangers are fastened firmly on the outdoor cabling rack.
2. The fixing clips installed are evenly distanced.