User guide

ECM-VX900
ECM-VX900 User’s Manual 27
2.4.10 Serial port 2 in RS-422/485 mode (J422/485)
Signal
PIN
PIN
Signal
485RX-
2
1
485TX-
485RX+
4
3
485TX+
GND
6
5
+5V
2.4.11 Audio connector (JAUDIO1)
Signal
PIN
PIN
Signal
GND
12
11
MIC1_JD
LIN1_JD
10
9
FRONT_JD
MIC1_L
8
7
MIC1_R
LIN1_L
6
5
LIN1_R
GND
4
3
GND
FRONT_L
2
1
FRONT_R