13. Technical Appendix - Interfaces
V Panel Express – User’s Guide (V1.01)
13.
Technical Appendix - Interfaces
The following tables contain the plug assignments for the external connections of the V Panel Express.
Low-active signals are indicated by a minus sign.
13.1.
Power Connector
Pin Signal Name
3-pin Power Connector (male)
1 Ground
2 Ground
3
24V DC IN
13.2.
USB Port
Pin Signal Name
4-pin USB Socket
Type A Version 2.0/1.1
1 VCC
2 Data-
3 Data+
4 GND
13.3.
Serial Port (COM1, COM2, COM3) RS232
Pin Signal Name
9-pin D-SUB Plug (male)
1
DCD (Data Carrier Detect)
2 RXD (Receive
Data)
3 TXD (Transmit
Data)
4
DTR (Data Terminal Ready)
5 GND (Signal
Ground)
6
DSR (Data Set Ready)
7
RTS
(Request to Send)
8
CTS
(Clear to Send)
9 RI (Ring
Indicator)
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