Zte ZXC10 BTSB I1, Руководство по установке

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Chapter 13 Hardware Installation Check
13-9
be bound on both terminals of a feeder to ensure that feeders correspond to
antennas. Write corresponding lengths on a feeder name plate.
15. Avoid any dry joint in soldering GPS core wire.
16. GPS copper core and external outer layer cannot be short-circuited. The core pin
of a feeder connector should be parallel to the external end face of a GPS feeder
connector.
17. Tighten the GPS feeder connectors.
13.12 Checking the Feeder Cable Window and Water-Blocking
Curve of the Primary Feeder Cable
Requirements:
1. A feeder window is fixed on one indoor wall and the feeder hole bulging on the
feeder window faces outdoors.
2. The glue injection hole on the packing gland on the feeder sealing window
should be sealed upward and window boards should be installed on one indoor
wall.
3. When a feeder window is installed at the building top to lead a feeder into the
room, it should be well sealed.
4. When an outdoor feeder enters the equipment room, a waterproof bend must be
made at the outdoor feeder window. The lowest point of the waterproof bend is
required to be 10 cm ~20 cm lower than the lower edge of the feeder window.
5. The minimum bending radius of a feeder should be no more than 20 times the
feeder radius, and the bending radius of the main feeder should be more than 0.3
m.
6. The indoor and outdoor parts of a feeder should be both above 0.5 m. There
should be 0.3 m flat and straight at the lightning protection rack.
13.13 Checking the Three-Way Feeder Cards
Requirements:
1. The three-way feeder card should be fixed on the outdoor cable rack.