User manual

16
1.7 Communication port
The communication port is for the monitoring software. There are 2
options: RS232 or USB. There is only one option can work in the same
time and same product.
1) RS232 (optional)
Pin assignment and description of DB-9 connector:
Pin# Definition
2 TXD (output)
3 RXD (input)
5 GND
2) USB (optional)
The USB port is compliance with USB 1.1 protocol for its communication
software.