Furuno FAR 3220, Installation Manual

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1. INSTALLATION
1-20
2. Fasten four self-tapping screws (

4

20, supplied) to fix the unit.
1.10 Switching Hub (option)
Use the HUB-100 to connect sensor networks. This network cannot be connected to
the shipborne LAN network. Further do not connect a commercial PC to this network,
other than for the maintenance.
For the installation procedures, see the operator’s manual for HUB-100 (Pub.
No.OMC-35191).
Installation considerations
Keep in mind the following points when selecting a location.
• Locate the hub away from heat sources because of heat that can build up inside the
cabinet.
• Select a location where the vibration is minimal.
• Locate the equipment away from places subject to water splash and rain.
• Make sure that the ground wire is connected between the earth terminal on the hub
and the ship’s earth.
• Leave sufficient space at the sides and rear of the unit to facilitate maintenance.
• A magnetic compass will be affected if the hub is placed too close to the compass.
Observe the compass safe distances in the SAFETY INSTRUCTIONS to prevent
compass malfunction.
1.11 Junction Box (option)
If the length of the antenna cable is more than 100 m, junction boxes are required. In-
stall the boxes in a location protected from the weather, because their waterproofing
standard is IPX3.
Fasten the junction boxes to the mounting location with four sets of M8 bolts and nuts.
See the outline drawing for mounting dimensions.
: Screw holes