7-4 HARDWARE INTERFACE PARAMETERS
SB1391 Hardware and Setup Guide - Document revision no. 1.14
7.1.3. Multiple Drop Configuration for RS-422/485
The multiple drop configuration for RS-422/485 connections is similar to that for RS-232. Connect the following pins in parallel:
• GND • TX+ • TX- • RX+ • RX-
FIGURE 7-2 Multiple drop connections for RS-422/485