2. WIRING
2-4
2.2
Antenna Unit
2.2.1
How to fabricate the cables
FAR-3320W, FAR-3330SW
Three cables are connected to the antenna unit: the serial cable from the transceiver
unit, waveguide (FAR-3220W) or microwave coaxial cable (FAR-3330SW), and power
cable for the de-icer (option).
Serial cable (TTYCYSLA-10)
Power cable (DPYCY-1.5) for de-icer
• Before beginning any work on the antenna unit, turn off the breaker for the de-icer
at the mains switchboard. (Turning of the display unit has not effect.)
• The neck of the antenna unit becomes VERY HOT when the de-icer is working.
(The de-icer turns on when ambient temperature goes down to 5°C and heats to
55°C.)
Sheath
Sheath
Pass the heat shrink tubing (local
supply) onto the drain wire. Attach
crimp-on lug to the wire.
* Preattched to the X-band antenna.
See figure on page 2-7 for location.)
Vinyl tape
Crimp-on lug* (FV1.25-3(LF) RED)
Clamp armor with
cable clamp.
* L1: X-band, 450, S-band, 350 L2: X-band, 450, S-band, 200
6
5
L2*
Drain wire
L1*
Armor
Sheath
Sheath
5
36
Sheath
Sheath
*X-band, 900, S-band, 1270
For
X-band
For
S-band
Crimp-on lug
(FV2-M4)
Wrap spiral tubing.
Clamp here.
Sheath
Sheath
Vinyl tape
Armor
Sheath
Sheath
6
10
L*
36
Crimp-on lug
(FV2-M4)
Wrap spiral tubing.
Clamp here.
Sheath
Sheath
Vinyl tape
Summary of Contents for FAR-3230SW-BB
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