Andrew Type 960 Class I & II Uživatelský manuál stáhnout pdf (Strana 15)

BTS A/T started:-

Note that the following tests are deleted from the Test schedule.

1. Trans frequency ,

2. Check of feeder cable loss,

3. Check of frequency stability,

4. Check of C/I,

5. Spurious and harmonics.

Vide letter no, TD/NT-GSM-Vol ii -----Dated 14.10.2003.

Check of infrastructure:-

- Earth measurement: - Ask for Earth value record. How much and when

measurement was taken, get the details. Also measure the Earth value

for Exchange as well as tower. Limit :- 0.5 Ω

- Antistatic flooring: - Many sites it is observed that antistatic floor is

provided but not connected to earth through 5W/ 1 MΩ resistance. In

some stations copper strip is available but not connected to earth.

- Verify the provision of Fire Detection and alarm system, Fire fighting

equipment, and Emergency light arrangement

- Check Location, Alignment, as per the approved layout plan and Rigidity

of BTS Bay by shaking the Bay.

- Check the status of Power plant and battery if existing, also note down

the peak hour load of the exchange.

- Check the status of existing E/A.

Hardware check of Equipment:-

- As per the specification and purchase order, note and confirm No of Rack,

Rack serial no, no of sectors and thereby no of RTs installed per sectors.

- Note down sector wise Cell ID and ARFCN.

- Write SACFA clearance no as per record.

- Note down no. of TDMA channels, (Eight), LAC, NCC, and BCC.

- Write down all details of Tower and point out the discrepancies.

- Verification of iron work:- As per layout drawing check following items

with respect to cabling and wiring.

• Positioning of equipment

• Leveling of Rack by spirit level

• Quality of RF conectorisation

• Crimping of cables

• Grounding of feeder cable, Rack, DDF,

• Sealing of Feeder cable connection.

- Note down the tilting of Antennas and spacing between the sectors.

- Check the availability of tools, necessary spare modules, and documents

of BTS .

Confirm Q/A report of Power plant, Battery if existing or new. On Lucent BTS there is

no Q/A stamp as it is supplied by vendor

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 39 40

Tie Beam 31
Antenna 37

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Andrew Type 960 Class I & II Uživatelský manuál Strana 15

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