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Section 6 Inter Switch (option)
Unit Connecting Cable
Be sure that the positive and negative polarity for the power connected to
both display units is the same.
It is necessary to connect the 12 V connector and GND connector to the
same terminal. The voltage is 12 V.
Also, the switchbox is not sealed against leaks, be sure to install it indoors
where it will not be splashed with seawater or liquids.
In the default setting (setting 2), the settings are made for display unit 1 to be
installed in the cabin, and display unit 2 to be installed in the upper bridge or a
similar place. (TB 1: Jumper between 1 - 2; TB 2: Jumper between 2 - 3)
The following setting example is written as if display unit 1 (the display unit
that is normally ON when under way) is in the cabin, and display unit 2 is
installed in the upper bridge or someplace similar.
(1) Connect both display unit 1 and display unit 2 to the J1 power cable, be
careful to connect each power cable as noted, connect the "RED" line to the
12 V power positive side, and in the same way connect the "BLACK" to the
negative.
(2) Connect the J2 of display unit 1 to the CFQ-6550 cable, connect one side to
the "MASTER (CABIN)" of NCZ-1432 (switchbox below).
(3) In the same way, connect the J2 of display unit 2 to one of the CFQ-6550
cables, connect one side to the "SLAVE (UPPER BRIDGE)" in the
switchbox.
(4) Connect cable CFQ-6531, which runs between the antenna and the display
unit, to "TO SCANNER" in the switchbox. At this time, cut off the black
waterproof cap with a razor knife or box cutter.
Read the following only if you are entering NMEA data for GPS or similar
kinds of receivers.
(5) Connect the cable from the GPS receiver (DGPS200 etc.) to the J3 (GPS) of
display unit 1.
(6) Connect the connectors attached to the display unit to the cables in the
following way, connect the J4 of display unit 1 to the J3 of display unit 2.
In this case, power to the GPS receiver is provided from display unit 1, and the
GPS receiver will not operate, and NMEA data will not be input, if display unit 1
is not turned ON.
1
2
3
4
5
1
2
3
4
5
J3 of display unit 1 J4 of display unit 2
Figure 6-2 NMEA cable connections
127


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