mcmurdo Smartfind M15, User Manual

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3.5 NMEA Wiring Instructions
3.5.1 NMEA0183 RS422 Connection
Core
Colour at
M15
NMEA 0183
Signal
Signal
Direction
(M15)
External
NMEA 0183
Device
Brown
Data Input +
(RXP)
Input
Data
(TXP)
Blue
Data Input –
(RXN)
Input
Data Output –
(TXN)
Yellow
Data
(TXP)
Output
Data Input +
(RXP)
Green
Data Output –
(TXN)
Output
Data Input –
(RXN)
Figure 7 NMEA0183 Connection illustration
RXP
RXN
TXP
TXN
M15
NMEA 0183
TXP
TXN
RXP
RXN
External NMEA 0183
Device (RS422)