80 Appendix A Interface Pin Allocations TB7300 Installation and Operation Manual
© Tait International Limited December 2022
Appendix A Interface Pin Allocations
System Interface Connector
For the pin allocations for the system interface DB-25 connector, see
“Connecting General Purpose Inputs and Outputs” on page 75.
Ethernet Connector
Serial Connector
External View Pin Description
1 transmit data +
2 transmit data –
3 receive data +
4 not connected
5 not connected
6 receive data –
7 not connected
8 not connected
12345678
External View Pin Description
15V
2 TxD out
3 Not connected
4 Not connected
5GND
6RxD in