Advantech PCM-3350 Series Manual Do Utilizador
7 6
PCM-3350 User's Manual
C.14 COM2 connector for 422/485 (CN18)
Table C-15: MJ1-A, -5 V, -12 V input
Pin
Signal
1
-5 V
2
GND
3
-12 V
Table C-16: MJ1-B, fan connector
Pin
Signal
5
+5 V
6
GND
7
+12 V
C.15 Multifunction Jumpter (MJ1)
Table C-14: COM2 connector for 422/485 (CN18)
Pin
Signal
1
RXD - 485
2
RXD + 485
3
TXD + 485
4
TXD - 485