Nokia Solutions and Networks T5DK1 사용자 설명서

68P64115A19

–

4

Mar 2003

1X SC 4812T-MC BTS Hardware Installation - Software Release R2.16.1.x

A-5

After completing the installation steps for carrier add, calibrate,
optimize, and ATP the new carrier. Enable the new carrier at a
low power level

If the ATP is not possible during peak air time, download a
default BLO (40 dB) and enable BBX carrier

All PAs for the carrier under test must be INS during testing. For
carriers not under test, key one BBX per carrier to a minimum
power level.

Table A-4 identifies the number of components needed when adding a
carrier. This matrix is for 6 Sector only.

Table A-4: Six Sector Carrier Add Matrix

Carrier 2

None

BBX 7 thru BBX 12

6 or 8

As Needed

6 or 8

1**

** Add C–CCP Power Supply #3 Card for a 2nd Carrier.

Follow the step–by–step procedure (Table A-5) to add a second carrier to
a 6 sector SC 4812T–MC BTS frame.

Table A-5: Installing a Second Carrier

1

Remove the PA Fan Trays from PA Cages (see FRU Guide for removal instructions– SC 4812T–MC
FRU Guide 68P64115A20).

2

Remove the PLC Filler panels from the PA Cage using a T15 Torx driver

3

Follow the instructions in the FRU Guide for installing CLPA modules and PA Fan Trays in the
Carrier 2 locations indicated in Figure 22–2.

PA Fan Trays are installed over CLPAs. PA Fan trays are not required in locations without CLPAs.

4

Add a 3rd C–CCP Power Suppy Card to the frame. Refer toinstall instructions (see FRU Guide – SC
4812T–MC  68P64115A20

5

Install BBXs and MCCs (see Table A-4, Figure A-3 and Figure A-4) for required number
corresponding to carrier of newly installed CLPAs.

6

All PAs for the carrier under test must be INS during testing. For carriers not under test, key one BBX
per carrier to a minimum power level.