JRC JCX-161 - Page 70

3. Wiring
JCX-161 BNWAS Installation Manual
58
7ZPNA4321
(2) 4 contacts connector
Contact
No.
Contact
name
I/O Function Connected unit
1 SD1-A I/O
Between control unit and display unit,
RS-485 communication transmission/ reception -
2 SD1-B I/O
Between control unit and display unit,
RS-485 communication transmission/ reception +
Control unit
3 SD1-C - unused
4 GND - Frame GND
Control unit
(Chassis)
(3) 6 pins connector of
Contact
No.
Contact
name
I/O Function Connected unit
1 DCOUT+ - unused
2 DCOUT- - unused
3 RXD2-B I
External navigation equipment
RS-422 communication reception -
4 RXD2-A I
External navigation equipment
RS-422 communication reception +
5 TXD2-B O
External navigation equipment
RS-422 communication transmission -
6 TXD2-A O
External navigation equipment
RS-422 communication transmission +
External navigation
equipment