User manual LOWRANCE X135-

Cable connections for Lowrance X135 and X136DF, March 25, 2004 Sockets with blue socket nuts, and cable plugs with blue locking collars are NMEA 2000 connection types. The network socket and optional NMEA 2000 buss adapter cable let the unit connect to a NMEA 2000 network. The NMEA 2000 Power cable gives you an option for powering the network. These units cannot transmit NMEA 0183 data and cannot connect to an external speaker. The NMEA 0183 data cable, the NMEA 2000 power cable (when unused) and the white speaker wire should be capped with wire nuts or electrical tape. Sonar/GPS unit rear view Network socket SONAR NETWORK PWR/DATA Sonar socket Blue Power/Data socket NMEA 0183 Data cable. Four wires: blue, orange, yellow, shield (bare). Cable label says "RS-232 COMM." Not used in these units. SP-BL speed sensor. This is packed with the X136DF and is optional for the X135. Gray Blue Main Power Supply cable. Cable has no label, but is thickest of the three. Three wires: red (+), black (­ ground), white. White is external speaker wire, not used in these units. NMEA 2000 Power cable. Three wires: red (+), black (­ ground), shield (bare, ­ ground). Cable label says "NMEA 2000 Power." Used when supplying power to a NMEA 2000 network. Optional NMEA 2000 buss adapter cable (network adapter cable) Skimmer transducer with built-in temp sensor To NMEA 2000 buss (network) This figure corrects the drawings on pages 21 and 25 in the X135/X136DF manual, part 988-0151-171. It is a large-view supplement to the manual's Addendum I, part 988-0151-201.