Avalue ECM-CDV - Manual (Page 29)

ECM-CDV User ’s Manual
ECM-CDV User ’s Manual 29
2.3.17 Keyboard & Mouse Connector (KB1)
Signal PIN PIN Signal
KBDA 1 2 KBCK
GND_PS2 3 4 VCC_PS2
MSDA 5 6 MSCK
NC 7
2.3.18 Serial port 2 in RS-422-485 mode (RS1)
Signal PIN PIN Signal
485_422TX- 1 2 422RX-
485_422TX+ 3 4 422RX+
+5V 5 6 GND