Furuno FR-2125V installation manual Antenna unit, front view, cover removed

4.Unfasten the four fixing bolts on the cable gland at the base of the antenna unit. Remove clamping ring, rubber gasket and washers.

From left: Clamping ring, washer, rubber gasket and washer

Signal cable

Figure 2-2 Antenna unit, front view, cover removed

5.Pass the signal cable through the cable entry hole in the antenna unit mounting platform. Trim the cable so about 80 cm of it protrudes past the cable gland.

6.Slide the clamping ring, washer, rubber gasket and washer onto the cable in that order.

7.Fabricate the signal cable as shown on page 2-4.

8.Referring to Figure 2-3, pass the outer and inner shields between the signal cable and the clamping ring. Fasten the cable gland.

Clamping ring

Washers

Rubber gasket

Figure 2-3 Passing cable shields between cable and clamping ring

9.Connect the signal cable to the terminal board RTB801 by referring to the inter- connection diagram. Leave “slack” in the coaxial wire to prevent breakage.

10.Bind cores of cables with cable ties.

11.Mount the transceiver module. Connect plugs P611, P801 and P821. Fasten shield to ground terminal in the transceiver module.

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