User's Manual

SER

S MANUAL FOR BAND SELECTIVE REPEATERS

03P

User'sManual.doc Id.-No.:154999 Page 48 22-Jan-01

8.6. DUPLEXER

• On side of the BTS antenna connector:

Dismount connecting board first if the duplexer has to be replaced (see chapter 6.11).

Dismount the amplifier, mounted on the backside of the duplexer on the side of the

DL input, by unscrewing two M2.5 Phillips screws. Take off the amplifier carefully.

Pay attention not to damage the three pilot pins.

Remove the flat cable to the mother board.

Remove the RF cables on the side of the UL output by loosing the SMA connector by

means of a torque wrench.

Unscrew the four counter sunk screws M3 at the connector panel.

Remove the grounding cable.

• On side of mobile antenna connector:

Dismount the amplifier, mounted on the backside of the duplexer on the side of the

UL input, by unscrewing two M2.5 Phillips screws. Take off the amplifier carefully.

Pay attention not to damage the three pilot pins.

Remove the RF cables on DL output by loosing the SMA connector by means of a

torque wrench.

Unscrew the four counter sunk screws M3 at the connector panel (see figure 2.2.4-1

Connector panel layout).

Remove the grounding screw which is fixed to the extension module with a Phillips

screw.

8.7. CONVERSION MODULE

Disconnect the SMA connectors by means of a torque wrench to remove the module.

Screw off the six hex socket screws by means of a hex socket key.

Pull the mounting strap carefully which is fixed on the conversion module and take off

the module.