36
3) Connect the cable from Data Processing Unit.
Warning
：
Electric Shock Hazard
Unplug the power of the WR2120
-SPU before servicing.
(1) Connect the main power
cable
to the
Terminal Base (TB4)
(2) Connect LAN cable (U3 LAN1) to the
LAN1 socket of PXI and the other side
of LAN cable connects to DPU
(3) Connect MONI-CON LAN cables from
ATU and to DPU
Type
Color
L
Live
Black
N
Neutral
White
E
Ground
Green
4) Connect the cable of the Antenna Unit.
(1) Connect the power
cable and
shield
mesh of signal cable to the Terminal
Base (TB1)
(2) Connect and fix the control cable (HDR
14pin) to NS-COM connector, and
control cable (HDR-26pin) to CONT
SIG connector.
(3) Fix with the torque wrench (Tighten a
connector nut until the head of torque
wrench bend a little) after connecting 2
signal cables (Rx IF V, Rx IF H) to
RX-FIL, and Tx IF to PXI.
Surge
L1 E L3
SPU
Air
Conditioner
TB4
TB1
Surge
TB3
Breaker
TB4
Breaker
TB3
L N E L N E
L N L N E L N E
TB1
TB2
Breaker
TB3
TB4
L N E L N E
L N L N E L N E
ATU
TB3
TB3
TB2
Main
Power
3. (2) LAN cables
4. (2) Control cables
4. (3) SPU Signal cables
4. (3) RX-FIL
Figure 4.26: PXI
Figure 4.25: SPU
ATU
RX IF V
PXI
ATU
RX IF H
PXI
LAN1
USB
PORT2
PORT3
PORT1
PXI
Front view
Side view
GND of power cable
Shield mesh of SPU
Signal cable
3. (3)
From ATU
From
indoor
near DPU
Figure 4.24:
Fix two cable terminals to TB1 E, with
back to back.
