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JP5：
(2.0mm Pitch 2x3 Pin Header), COM3 setting jumper, pin 1~6 are used to select
signal out of pin 9 of COM3 port.
JP5 Pin#
Close 1-2
Close 3-4
Close 5-6
COM3：
(Type DB9), serial port, standard DB9 serial port is provided to make a direct
connection to serial devices. COM3 port is controlled by pins No.1~6 of JP5,
select output Signal RI or 5V or 12v, for details, please refer to description of
JP5.
Pin#
1
2
3
4
5
6
7
8
9
JP6：
(2.0mm Pitch 2x3 Pin Header), COM_6 setting jumper, pin 1~6 are used to
select signal out of pin 9 of COM_6 port.
JP6 Pin#
Close 1-2
Close 3-4
Close 5-6
RI (Ring Indicator) (default)
COM3 Pin9=+5V (option)
COM3 Pin9=+12V (option)
Signal Name
DCD# (Data Carrier Detect)
RXD (Received Data)
TXD (Transmit Data)
DTR (Data Terminal Ready)
Ground
DSR (Data Set Ready)
RTS (Request To Send)
CTS (Clear To Send)
JP5 Setting:
Pin1-2: RI (Ring Indicator)
Pin3-4 : 5V Standby power (option)
Pin5-6: 12V Standby power (option)
RI (Ring Indicator) (default)
COM_6 Pin9=+5V (option)
COM_6 Pin9=+12V (option)
Function
(default)
Function
55
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