pim test dxb0701 emirates park hotel updated

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PIM Test DXB0701 Emirates Park Hotel

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PIM Test DXB0372 Emirates Park Hotel Analysis and summery

- The process of testing start with Initial Full Sector test to determine the root cause of the PIM, For the site DXB0372,there are 3 sector altogether, we found several faulty Hybrid Coupler, faulty connections and jumps. The process of correction started with changing faulty component, and move on gradually to combiner testing, and diplexer testing, and so on till All DAS testing.

- The process of testing each sector involves numerous, and continuous testing, and retesting, of all sector stages. At this stage we will provide as much details as possible for all testing screen shots, we will make sure to confirm in clear screen shots successful pass of each sector components.

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PIM Test DXB0372 Emirates Park HotelTesting layers

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PIM Test MOP :

PIM≤-90dBm OK

Test the whole system from the

output port of BTS

Test the low jumper

PIM≤-90dBmChange the low jumper

Test the jumper+main feeder

PIM≤-90dBm

Test the low jumper+main

feeder+up jumper

PIM≤-90dBm

Test the low jumper+main

feeder+up jumper+antenna

PIM≤-90dBm

Connectors rectification

Change the up jumper

Change antenna

Yes

NO

Yes

NO

Yes

NO

Yes

NO

YesNO

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Screen shots

LTE initial full sector RTF testing for sector 1

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Screen shots

LTE initial full sector RTF testing for sector 2

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Screen shots

LTE initial full sector RTF testing for sector 3

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Screen shots

LTE DU DAS part RTF testing of sector 1 after rectifications

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Screen shots

LTE DU DAS part RTF testing of sector 2 after rectifications

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Screen shots

LTE DU DAS part RTF testing of sector 3 after rectifications

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Screen shots

The DU DAS part PIM testing result of sector 1

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Screen shots

The DU DAS part PIM testing result of sector 2

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Screen shots

The DU DAS part PIM testing result of sector 3

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Screen shots

LTE ETISALAT DAS part RTF testing from PORT1

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Screen shots

LTE ETISALAT DAS part RTF testing from PORT2

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Screen shots

LTE ETISALAT DAS part RTF testing from PORT3

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Screen shots

LTE ETISALAT DAS part RTF testing from PORT4

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Replaced component pic

Before After

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Replaced component pic

Before After

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Testing on site

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Testing on site

Tapping point

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BOQ needed

BOQ 1- Hybrid coupler quantity = 22- ½ Flexible connector quantity = 2 3- ½ Flexible cable quantity=1.5M

Resources needed

2 Technician Installation Kaelus PIM Analyzer Testing Tool Testing Engineer A additional Combiner type for confirmation Additional Diplexer Better quality jumpers

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As arrow shown in the left draft, for the site DXB0701,we total replaced 1 jumper, 2 Hybrid Coupler(HC).

diplexe

r

LTE BTS

diplexe

r

diplexe

r

diplexe

r

HC HC

2s

HC HC HC HC

DU and ETISALAT tapping point

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