• UltraSite grounding cable size is 25mm2. • DDF grounding cable size is 16mm2. • EMP busbar grounding cable size is 25mm2. • Right cable lugs have to be suitable for grounding cable.
DDF
• All cables have to be labeled on both end of the cable. • Proper tools have to be used during grounding cable installation. • All cables have to be fixed properly.
Proper tools has to be always used. If crimping fails, cable lug has to be changed and new crimping applied. Lugs should match the cable size. Hex crimp have to be used.
Proper tools has to be always used. Lugs should match the cable size. Strip cable correctly. Hex crimp have to be used. Connection have to be protected by heat shrink or plastic sleeve. Do not use electrical tape.
If vertical rise of the RF cable is > 40m then center earth kit is required to be installed
FEEDER GROUNDING CABLING
Shelter/ Room Outdoor Cable tray
Feeder Grounding Kit
• Feeders have to be grounded before feeder entry of cabin / equipment room. • All feeder grounding kits have to be connected to feeder entry grounding busbar . • Feeder grounding kit manufacturer material have to be used. • All cables have to be labeled on both end of the cable. • Proper tools have to be used during grounding cable installation. • All cables have to be fixed properly.
• Feeders have to be grounded after antenna jumper connection. • All feeder grounding kits have to be connected to feeder grounding busbar . • Feeder grounding kit manufacturer material have to be used.
Feeder label
Feeder Grounding Kit
• All cables have to be labeled on both end of the cable. • Proper tools have to be used during grounding cable installation. • All cables have to be fixed properly.
FEEDER GROUNDING CABLING • Feeders have to be grounded approx. 5001000mm before horizontal bending. • All feeder grounding kits have to be connected to feeder grounding busbar . • Feeder grounding kit manufacturer material have to be used. Feeder Grounding Kit
• Used cable lugs have to be suitable for used grounding cable. • All cables have to be labeled on both end of the cable.
• Proper tools have to be used during grounding cable installation. • All cables have to be fixed properly.
Company Confidential
GROUNDING CABLING C-CRIMP INSTALLATION
Main Cable
Wrap joint with rubber tape or use heat shrink
Copper C Crimp
Joining Cable
NOTE: The copper C crimp must be the correct size for the cables e.g.. 25/16, 25/25, etc and the crimp tool must have the correct size C CRIMP dyes installed or selected. 32
FEEDER GROUNDING CABLING • The grounding kit must always be positioned on the straight part of feeder cable and never on a bend or curve in the cable. • Grounding kit's earthing cable can be cut or extended to make grounding cable connection to busbar as straight as possible.
COMMON MACRO :ANTENNA LINE SYSTEM • ItemDescription
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The antennas can be either vertically polarised or cross polarised and directional or omni-directional antenna. The jumper cable is a flexible low loss cable (1/2"), which is used at the ends of the feeder. It protects the connectors from the forces caused by the feeder cable.
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7/16 connector are made of silver plated brass or a special grade of copper. All connectors are IP68-classified. The grounding kit ensures that the Antenna line is DC grounded as a protection against lightning. The RF-feeder is corrugated coaxial cable. It can be of different sizes, i.e. 1/2”, 7/8” and 1 5/8”, depending on the length of the mast and the desired attenuation. Cable clamps are made of stainless steel and plastic and they are easy and quick to install. Design of the clamps prevents over tightening of a feeder cable.
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A compact EMP protector protects the BTS against lightning and over voltage that may occur down the antenna line. The wall feed through kit facilitates the connection of the feeders to the inside of a building without the ingress of water.
• Jumper Cables have to be installaed as straight as possible. • Avoid additional bendings. • Follow manufacturers bending instructions. • Proper tools have to be used during jumper installation. • All cables have to be fixed properly. • Prefabricated jumpers have to be used always when possible. • On existing sites most practical solution should be used. • Think about future.
JUMPER CABLES INSTALLATION • Jumpers Cables have to be installaed as straight as possible. • Avoid additional bendings. • Follow manufacturers bending instructions. • Proper tools have to be used during jumper installation. • All cables have to be fixed properly. • Prefabricated jumpers have to be used always when possible. • On existing sites most practical solution should be used. • Think about future.
JUMPER CABLES INSTALLATION • The distance clamps for jumper cables is about 500mm • It is vitally important that the internal and external jumper cables have to be supported securely. For the 1,5m jumper, minimum 2(two) points of support are to be used, and for the 3m jumpers, minimum 4(four) points.
1.5m jumper, used 2 securing point
Securing has to be near of the connection < 150mm 40
