27
1
2
4
3
USB-B CONNECTOR ON
REAR OF MONITOR
Touch Screen Pin Assignment
Serial RS-232
Pin No.
Name
Description
1
DCD
Data Carrier Detect
2
RX
Receive Data
3
TX
Transmit Data
4
DTR
Data Terminal Ready
5
GND
Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
RI
Ring Indicator
USB
Pin No.
Name
Description
1
VBUS
+5V Power
2
USB_D
−
USB Data
−
3
USB_D+
USB Data +
4
GND
Ground
Note:
The touch controller receives i
t power from the monitor’s internal power supply – not through the
USB connector.
Baud Rate
9600
Data Size
8 Bits
Stop Bits
1 Bit
Parity
No Parity (Only)
Handshaking
Hardware CTS/RTS