7
Figure 11 – Securing the Antenna
Do not over-tighten.
If the mounting bolt provided is too short, you will have to
install mounting bolts of the appropriate length. If the bolt provided is too long, the
excessive length should be cut off.
2.6 ADU Cable Connection
Before starting the electric connection task, find the suitable location for laying the cables from
BDU to ADU. The antenna cable must be connected to the ACU (Antenna Control Unit) and the
antenna unit. Follow the steps below.
①
Determine the type of cable to be used depends on the cable length required. (see Table
– 1)
②
Bring the RF cables (with F-male type connector) from BDU (Below Deck Unit) up through
the cable access hole.
③
Lay the cables through the waterproof fittings and close with sealing material to avoid
water penetrating.
Cable Length
Cable Type
Within 20m
RG6
Within 50m
RG11
Within 100
LMR 400
Within 200m
LMR 600
Table 1 – RF Cable Guideline