Touch screen pin assignment, Serial rs-232 – Nematron M-Series Monitors User Manual
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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 it power from the monitor’s internal power
supply – not through the USB conn
Baud Rate
9600
Data Size
8 Bits
Stop Bits
1 Bit
Parity
No Parity (Only)
Handshaking
Hardware CTS/RTS