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Section 3.3: Connecting control cable to the Connector Junction Box
If you have the pre-wired EHU cables, both EHUs will have around 13ft of cable and can just be
plugged into the junction box. If you are wiring the EHUs and junction box yourself, you can eas-
ily measure along the boom from each EHU bracket to the junction box. The Driven EHU control
cable should be about 6ft, and the Director EHU control cable should be about 4ft. Measure
your specific set-up just in case (different mast plates and connector junction box locations will
vary the lengths)—it’s much easier to account for too long of a cable than too short!
CONNECTOR JUNCTION BOX WIRING LAYOUT
Since the 2 element Yagi does
not have a reflector, the asso-
ciated plug in the connector
junction box is not used.
FOR PREWIRED CABLE: You’ll have to
route the control cable from your station to
your antenna—unless you have 3” wide con-
duit to fit the DB25 connector, it will ALWAYS
be better to pull the phoenix connectors from
your station to the junction box. We recom-
mend taping the wires and connector straight
with the cable to make it easier to pull through
as shown in Figure 3.32. Since the 2 element
Yagi only has one phoenix connector, you
may ignore the second one in these images.
Figure 3.31
P1 Plug
Figure 3.32
Regular electrical
tape works perfectly
for this.
P1 Plug
Figure 3.33
Figure 3.34
Figure 3.35
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