Sample Layouts For Rs485 Connectivity; Figure 2-5. Combined Rs232/422 Transceiver; Figure 2-6. Separate Rs232/422 Transceivers; Table 2-2. Jp6 Rs422/485 Connections On Demo Board - Lantronix MatchPort AR Integration Manual

MatchPort
AR Signal
(logic)
TXD1
TXD1
RXD1
RXD1
RTS1
CP3
CP4

Sample Layouts for RS485 Connectivity

MatchPort AR™ Integration Guide

Table 2-2. JP6 RS422/485 Connections on Demo board

Description RS485
Signal
TX+485
Data Out
TX-485
Data Out
RX+485
Data In
RX-485
Data In
TX Enable
RS485 Select
RS485 2-wire

Figure 2-5. Combined RS232/422 Transceiver

Figure 2-6. Separate RS232/422 Transceivers

2:Description and Specifications
JP6 DB25 DB25
Pin 4 2
Wire Wire
4 14 14
3 15 15
2 21 14
1 22 15
DB9 DB9
4 wire 2 wire
7 7
3 3
2 7
8 3
12