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6.0 Electrical Connections
6.1 The connections between the antenna array and display unit are routed via
a 20m shielded cable. Connection to the display is internal via an IP-67 rated
connector. The power supply and relay are also terminated inside the display
enclosure via an IP-67 rated connector. To attach the power cable match up the
4 pin grey coloured power cable to the 4 pin connector on the back of the
bridge box. To attach the antenna cable align the 7 pin cable connector to the 7
pin connector on the bridge box, the other end matches to the connector on
the underside of the antenna body.
6.2
When installing the system first connect the control box to your power supply and connect all the cables in accordance
with the instructions in this manual. Activate the system to check it is working correctly. This unit will run from a 12V DC power
supply only, if your power supply is 24V DC or 120/240V AC you will need to install a step down transformer or converter
(available from MRT Ltd.).
If the power supply on your vessel is unreliable, install an isolated power supply. The manufacturer cannot be held
responsible for damage caused by wiring the unit into an incorrect power supply. Your warranty does not cover this.
6.3 WIRING FOR POWER PLUG/ UNIT POWER CONSUMPTION
NOTE: each inner cable has the number marked on.
Pin
1
2
Cable Description
Black 1
Black 2
Repeat application of silicon adhesive for each dipole
Check that each dipole is sealed with no gaps
Cable Function
Relay Contacts
0V DC Negative
10
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