TS-7250-V3 DB9 Connector

From Technologic Systems Manuals

The DB9 (DE-9) connector provides an RS-232 port with full handshakes.

Signals Pin Layout
Pin Signal
1 ttyS8 RS-232 DCD
2 ttyS8 RS-232 RXD
3 ttyS8 RS-232 TXD
4 ttyS8 RS-232 DTR
5 GND
6 ttyS8 RS-232 DSR
7 ttyS8 RS-232 RTS
8 ttyS8 RS-232 CTS
9 ttyS8 RS-232 RI

DB9.svg