User's Manual

LBS7320 Outdoor LTE TDD Base Station User’s Manual
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4.5 Connect Cable
4.5.1 Requirement for Cable Laying
General requirements:

Bending radius requirement of feeder cable: 7/8” > 250mm, 4/5” > 380mm.

Bending radius requirement of jumper cable: 1/4” > 35mm,1/2” (super soft) >
50mm, 1/2” (ordinary)>127mm.

Bending radius requirement of power cable and grounding cable: > tripled of the
diameter of cable.

Bend radius of the optical fiber : > the 20 times of the diameter of optical fiber.

Binding the cables according the type of the cable, the intertwining and crossing
is forbidden.
Optical fiber laying requirement:

No ring twisting and twisting during laying.

No banding at corners.

Prohibit pulling and pressing optical fibers.

Redundant optical fibers must be wound with special devices.
Grounding laying requirement:

The grounding cable must connect to the grounding point.

The ground cable must be separated from the signal cable to maintain a certain
distance so as to avoid signal interruption
4.5.2 Connect GPS Antenna
1. Connect one end of the GPS jumper to the GPS antenna.
2. Winding the waterproof tape.
3. Connect the other end of the GPS jumper to GPS interface of the base station,
which also need waterproof protection.