Xycom 3510T - Com1; Com2

Appendix C - Pinouts
95
COM1
RS-232 RS-485
Pin Signal Pin Signal
1A DCD1 1B TXD-
2A RXD1 2B TXD+
3A TXD1 3B TXD TERM -
4A DTR1 4B TXD TERM +
5A GND 5B GND
6A DSR1 6B RXD-
7A RTS1 7B RXD+
8A CTS1 8B RXD TERM +
9A RI1 9B RXD TERM -
.
Technical Note
For TXD termination, connect a 150Ω, ½ watt resistor from pin 3B to pin 4B, with pin
1B connected to pin 3B and pin 2B connected to pin 4B.
For RXD termination, connect a 150Ω, ½ watt resistor from pin 8B to pin 9B, with pin
6B connected to pin 9B and pin 7B connected to pin 8B.
COM2
RS-232
Pin Signal Pin Signal
1B ORB_GND 14B NC
2B TXD2 15B NC
3B RXD2 16B NC
4B RTS2 17B NC
5B CTS2 18B NC
6B DSR2 19B NC
7B GND 20B DTR2
8B DCD2 21B NC
9B NC 22B RI2
10B NC 23B NC
11B PB_RESET 24B NC
12B NC 25B NC
13B NC