Service Manual

419
6802800U74-AN
Chapter 15: Expansion Options
15.1.2.1
Installing an Additional Base Radio to MTS 2
Procedure:
1 Remove the Blind Plate where the additional Base Radio is to be assembled.
2 Label all new Rx cables with labels included in the expansion kit.
3 Attach the Rx cables to the filters. Connect them according to the scheme below:
#
Part no
Cable type
Label
From
To
5
3066543B01
Rx cable
Rx1
Filter pos 1 / BR2
BR2 / Rx1
6
3066543B01
Rx cable
Rx2
Filter pos 2 / BR2
BR2 / Rx2
7
3066543B01
Rx cable
Rx3
Filter pos 3 / BR2
BR2 / Rx3
NOTICE: Index numbers in table above refer to cable connections shown in Figure 196:
RF Cabling Diagram for MTS 2 with one TX/RX ant. and up to two RX ant. after
Expansion on page 417.
NOTICE: At this stage only connect the cables to the filters.
4 Attach the Tx-cable to the Tx input of the filter in position 2.
NOTICE: At this stage only connect the cable to the filter.
5 Attach the Ethernet cable 3066544B02 to the BR2 connector on the Site Controller. This is
illustrated in Figure 197: E1 and Ethernet Cabling Diagram for MTS 2 after Expansion on page
418 as connection #2.
NOTICE: At this stage only connect the cable to the Site Controller. Follow the color
scheme displayed on the Site Controller front panel.
6 Insert the additional Base Radio by aligning the side rails with the appropriate rail guides inside
the Base Radio chassis.
7 Gently push the additional module completely into the Base Radio chassis assembly using the
module handle.
CAUTION: Be careful not to damage any of the cables previously connected when
pushing the Base Radio into position.
8 Secure the additional module using two TORX screws. Tighten the screws to a torque of 2.7
Nm.
9 Connect the Power cables, Ethernet cable, Tx cable and Rx Cables to the BR front plate. Make
sure cables are connected according to scheme below:
#
Part number
Cable type
Label
From
To
N/A
3066545B01
DC Power
Cable
N/A
PSU / DC Out
BR1 / DC IN
BR2 / DC In
SC1 / Power
5
3066543B01
Rx Cable
Rx1
Filter pos 1 / BR2
BR2 / Rx1
6
Rx2
Filter pos 2 / BR2
BR2 / Rx2