User's Manual

18
RS232 (RJ50 Type) Port
These ports also support the RS232 technology that allows you to connect
your RS232 devices.
The Pin Define as below
RJ50 Pin
RS232
DB9 Pin
2
DCD#
1
4
RX#
2
6
TX#
3
8
DTR#
4
9
GND
5
3
DSR#
6
5
RTS#
7
7
CTS#
8
10
RI#
9
1 (DC 12V)
RS232 Pin Definition
Pin
Signal
Pin
Signal
1
Data Carrier Detect
6
Data Set Ready
2
Received Data
7
Request to Send
3
Transmitted Data
8
Clear to Send
4
Data Terminal Ready
9
Ring Indicator
5
Signal Ground
TTY
USB0
TTY
USB1
TTY
USB2
TTY
USB3