Furuno WR2120 Installation Manual page 42

4. (3) RX-FIL
ATU
ATU
RX IF V
RX IF H
PXI
PXI
Figure 4.25: SPU
4. (2) Control cables
Side view
Front view
4. (3) SPU Signal cables
GND of power cable
Shield mesh of SPU
Signal cable
Figure 4.24:
Fix two cable terminals to TB1 E, with
back to back.
3. (2) LAN cables
3. (3)
PXI
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
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
L Live
N Neutral
E Ground
4) Connect the cable of the Antenna Unit.
(1) Connect the power
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.
USB LAN1
Figure 4.26: PXI
SPU Air
TB3 Conditioner
L N E L N E
TB1 TB2
L N E L N E
TB3
ATU
From ATU
36
cable to the
Color
Black
White
Green
cable and shield
PORT1
PORT2
PORT3
Surge
L1 E L3
TB1 Surge
TB4
Breaker TB4 Breaker
L N L N E L N
TB3 TB4
Breaker
L N L N E L N
Main
TB3 TB2
Power
From
indoor
near DPU
TB3
E
E