Andrew Type 960 Class I & II Manual de usuario descargar pdf (Pagina 14)

3-1.7 GSM BTS A/T (Lucent)

General:-

The GSM network started in Western zone by January 2002 with Lucent

switch. All over India GSM network is covered by several switches like,

East zone : - Nortel

West zone: - Lucent, Alcatel

North zone: - Motorola

South zone: - Motorola, Erickson, Nokia.

The GSM network in India is to be followed in phase’s as below:-

Phase i: - Lucent

Phase ii: - Configuration enhancement by Lucent.

Phase iii: - ---------

Phase iv: - Alcatel 1 M. 4.5 L. Equipment + management

Phase iv +:- ITI 3 M 13.5 L Equipment + management

Phase iv ++:- ITI 2 M 6.5 L. Swap sites W/O Tower

First time in Maharashtra, Lucent A/T was started by September 2002 and

Swapping of Lucent BTS started by Dec 2004. Here A/T of both Lucent and Alcatel BTS

is explained. Please see figure 3.3 for Trunking diagram of GSM network .

BTS A/T comprises of 1) Infrastructure A/T which mainly includes SMPS, Battery, DG

and Tower. 2) BTS equipment A/T

3) 15 GHz M/W system.

4) Coverage A/T.

Before proceeding for BTS A/T:-

- Obtain TT-0 as well as check offer in ATOM, Whether all relevant

information particularly Power plant and its adequacy is correctly filled or

not?

- Obtain approved layout of equipment room duly signed by DET ( In-

charge )

- Get site configuration chart which is very useful to know site name, ID,

configuration, cell ID, NCC, BCCH, BCC, Longitude, latitude, ARFCN

and LAC, Specification.

- Note down type of BTS i.e. BSNL/ Non BSNL, Swap or New, or

Redeployment?

- If BTS is installed in Tele. Exchange then you have to fill up all

information about PP i.e. SMPS, Battery and E/A , make, capacity, total

load of Exchange including BTS, and it is adequate or not ?

- If BTS is installed on existing tower then ask for A/T report of tower and

if a tower is new then conduct tower A/T.

N.B. - Sample configuration chart is attached here. Pl. see chart no. 3-1.3 and 3-1.4 for

Lucent / Alcatel BTS.

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Andrew Type 960 Class I & II Manual de usuario Pagina 14