Hardware Configuration
PEB-2131VG2A User’s Manual
2-5
JP14 : COM1 & COM2 Port RI Voltage selection
JP14
Function
1-3 short
VDD=5V For COM 1 port RI Voltage
Ì
3-5 short
VDD=12V For COM1 port RI Voltage
2-4 short
VDD=5V For COM 2 port RI Voltage
Ì
4-6 short
VDD=12V For COM2 port RI Voltage
Note:
Wrong voltage selection may damage the COM Port device. Please survey COM port
device’s RI before setup this jumper setting.
JP15 : COM3 & COM4 Port RI Voltage selection
JP15
Function
1-3 short
VDD=5V For COM 3 port RI Voltage
Ì
3-5 short
VDD=12V For COM3 port RI Voltage
2-4 short
VDD=5V For COM4 port RI Voltage
Ì
4-6 short
VDD=12V For COM4 port RI Voltage
Note:
Wrong voltage selection may damage the COM Port device . Please survey COM
port device’s RI before setup this jumper setting.
JP17 : AUTO POWER ON selection
JP17
Function
1-2
short Disable
Ì
2-3
short
Enable
JP19 : Ex5V/+12V Pin HDR
PIN No.
Signal Description
1 +12V
2 GND
3 GND
4 +5V