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GPSMAP 198C Sounder Owner’s Manual 99
APPENDIX > CONNECTING THE POWER/DATA CABLE
Connecting the Power/Data Cable
The power/data cable connects the GPSMAP 198C Sounder to
a DC system and provides interface capabilities for connecting
external devices. The color code in the diagram below indicates
the appropriate harness connections. Replacement fuse is a
AGC/3AG - 3 Amp fuse.
NOTE: During a typical installation, only the Red and Black
wires are used. The other wires do not have to be connected for
normal operation of the unit.
COM 2 Rx
COM 2 Tx
COM 1 Tx
COM 1 Rx
DC Power
Source
DC Positive
(RX COM 1)
(TX COM 1)
(RX COM 2)
(TX COM 2)