Owner manual

ECM-A50M User’s Manual
ECM-A50M User’s Manual 23
2.4.3 Serial port 2 (COM2) signal selector (JRI2)
* Default
Ring*
+5V
+12V
2.4.4 Power connector (DCIN)
Signal
PIN
PIN
Signal
GND
2
4
VIN=12V
GND
1
3
VIN=12V