SA-320 Installation Guide
Page 10
2.6 DB_9 ( Female ) Connector Pin Definition ( RS-232 )
with Power Supply
Pin Number Designation
1
NC
2
RS-232 Transmit Tx, Output Signal
3
RS-232 Receiver Rx, Input Signal
4
NC
5
PGND, Power Ground
6
VCC, Power Supply + ( VDC 9V-34 V )
7
NC
8
NC
9
NC