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Installation Manual
Airbridge cBTS3612 CDMA Base Station
4 Installation of Cabinet Modules and Parts
4.1 Installing Boards of Baseband Subrack
The baseband subrack is located at the cabinet–uppermost part. The boards
inserted in this subrack are common boards. One connector is equipped at the rear
of a board and used to connect to the backplane. On the front of the board are two
metal handles with spanners used to pull out and plug in the board.
The installation procedures of the board are as follows:
1)
Align the board with the positions marked with corresponding board names and
push in the board gently along the guide rail until explicit resistance can be felt,
then lock the front panel.
2)
Fasten all screws one by one in position on the panel with a screwdriver, to
ensure that it is seamless between the board panel and the baseband subrack.
Caution:
1. Before installing the board, first check the cleanness of the cabinet and the subrack. Clean the
cabinet and the frame if necessary.
2. Wear antistatic wrist strap (Make sure that the plug of the antistatic wrist strap is inserted in the
socket on the sidedoor post of the cabinet) or discarge the static on the body by touching the chassis
before touching the board or the module.
3. Insert the boards strictly according to the labels on the individual nameplates. Do not insert the
boards wrong.
4. Insert the board vertically into the subrack and the boards are interconnected through the system
bus on the backplane.
5. Insert the boards with care so as to prevent the pins from getting bent on the backplane.
4.2 Installing Other Functional Modules
Refer to the following procedures for installing the fan box, power supply module,
BTRM module, BHPA module, BTRM fan module, RLDU module and the CDU
module.
1)
Align the fan box, power supply module, BTRM module, BHPA module, BTRM
fan module, RLDU module, and the CDU/DFU/DDU module respectively with
the "fan subrack", "power supply subrack", "RF subrack", "RLDU/CDU subrack"
4 Installation of Cabinet Modules and Parts
4-1
Hardware Installation
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