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PRESENTATION ON QUALITY CHECK POINTS OF A SITE

BY-BAVI KUMAR

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S.No Topic Page No

1 Antenna Parameters 2-6

2 Hct & Vct 7

3 RF Clamp 8

4 Roxtec 9

5 Earthing Kit 10

6 Lugs 11

7 Jumper Cable 12

8 Routing Of Cables 13

9 Surge Arrestor 14

10 Weather Proofing KIt 15

11 Cable Tie 16

12 Labeling 17

13 Grounding 18

INDEX

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Height Of Antenna-

• Height Of Antenna Should Be

According To RF Plan

• Height Of Antenna Must taken

From The Ground

4

Tilt Of Antenna-

5

Azimuth Angle Of Antenna-• It is the angle of an object with respect to North

Direction in clockwise direction

6

Carrier Configuration Of Antenna-

• Carrier Configuration Should Be Acc. To Plan• It Decide The Number Of Trx In Each Sector

Types Of Antenna-

• Antenna Should Be According To The RF Plan For Each Sector

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Hct And Vct Cable Tray

8

RF Clamp-

• RF Clamp should Used to tight the feeder cables• Distance Between Two Rf Clamp On Vct should

Be 1 To 1.5m• Distance Between Two Rf Clamp On hct Should

Be 0.6 To 0.9m

9

ROXTEC-

• Feeder Cables Should Route Inside The

Shelter Though Roxtec Using Z-Bend

10

EARTHING KITS-

• Earthing Kit Should Terminated With Either Tower And EGB• Both Lugs and Cable Should Be Of Same Material And Same Size• Position Of Earthing Kit Should 1 To 1.5m Away From Outdoor

Jumper Cable• Earthing Kit Should Use at Every 30m

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Lugs-

• Size of lug should be same as the cable• Material of should be same as the cable• Lugs should be properly crimp

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JUMPER CABLE -

• Jumper Cable Should be 1.5m for indoor & 3m for outdoor.

• It should have 7/8” or 7/16” Male connector

13

ROUTING OF CABLES-

• Feeder cable should be routed on VCT and HCT in a line not zig zag wise

• Bending Radius at VCT and HCT should be more than 300mm

14

Surge Arrestor-

• It Should Connect with Indoor Jumper Cable And Feeder Cable

• It Should Properly Ground With EGB

15

WEATHER PROOFING KIT-

There Should 3 Types Of Layers-• PVC• BUTYL• RUBBER • First And last layer should be of PVC Tape• Last hand of PVC tape Should Be From Bottom To TOP

16

CABLE TIE

• Cable Tie Should be Used to tie the cables• Size of cable tie should be 4”and 6” for Indoor• Size of cable tie should be 10” and12” for

outdoor

17

LABELLING-

• Labeling should be proper for each sector• Transparent tape should be used for

labeling

18

GROUNDING-

• All telecom Equipments should be ground• Different EGB should be used for BTS in NOKIA site• Surge arrestor should connected with EGB with

16sq.mm green cable