Lumens Technology VS-K20 - Manual (Page 10)

English - 9
2.5.2 RS-422 Pins instructions
Pin No. function
1 GND
2 RXD IN-
3 RXD IN+
4 TXD IN-
5 TXD IN+
2.5.3 RS232 Pins instructions
Pin No. function
1 NA
2 NA
3 TXD
4 GND
5 RXD
6 NA
7 NA
8 NA