PT300 Users manual
Rev G, Feb 2011
Page 43 of 44
Connector
The diagram below shows the pin-out for the PT connector on the side of the PT300:
PT connector
A: RS-485 A
B: 20 mA (-I)
C: - Charging Voltage
D: 20 mA (-0)
E: +Charging Voltage
F: 20 mA (+I)
G: RS485 B
H: RS232 TXD
