Installation
Page 18
Step 4 - Connecting the accessory cable
An accessory cable is supplied with the product to provide connections to power, the external switch, the NMEA0183 data ports and
USB. The cable has a pre-moulded connector at one end which should be connected to the connector on the unit marked 'PWR/DATA'.
The other end of the cable has eight colour coded bare wires ready for connection and a USB connector for use with a PC or Mac. The
table below in Figure 1 lists the function of each colour coded wire for reference.
Table 1
Colour coding of wires in the accessory cable
Wire colour
Description
Function
Red
Power in +
Power supply connections
Black
Power in -
Green S
witch input-
E
xternal switch connection for silent mode
Orange
Switch input+
Brown
NMEA0183 port 1 TX+
High speed NMEA0183 output (38,400baud) intended for connection
to chart plotters
Blue
NMEA0183 port 1 TX-
Purple N
MEA0183 port 2 RX+
L
ow speed NMEA0183 input (4,800baud) intended for connection to
other NMEA0183 compatible sensors for multiplexing of data to the
chart plotter
Yellow
NMEA0183 port 2 RX-
Please check your wiring very carefully before applying power to the product. Failure to wire the product correctly
could result in permanent damage.
!
