What is RS485 and How is it Used in Industrial Control Systems?
Trim the fat off RS-485 designs - EE Times
How Far and How Fast Can You Go with RS-485? - Application Note - Maxim
How Far and How Fast Can You Go with RS-485? - Application Note - Maxim
rs485 - The origin of the "cable length - data rate" graph in the RS-485 - Electrical Engineering Stack Exchange
For high-speed transmission, consider full-duplex RS-485
9 rules for correct cabling of the Modbus RS485 communication systems
RS485, RS232, RS422, RS423, Quick Reference Guide
RS-485 Cable: Critical to System Operation
Long Distance Wired Serial Communication with Arduino using RS485 and CAT Cables
RS485 - What are the Allowed Cable Lengths and Baud Rates for RS485 or BACnet MSTP? - Chipkin Automation Systems
How to extend the network?
9 rules for correct cabling of the Modbus RS485 communication systems
RS485 & RS422 Basics
Comparison of RS-232 and RS-485 - plc247.com
RS485 Battery Communication Cable | 1 Foot Length - Signature Solar
Increasing RS-485 Networking via Receiver Equalization - EE Times
File:RS-422 CableLength-DataRate.png - Wikimedia Commons
MODBUS maximum wire length - Programmable logic controllers (PLC) - Eng-Tips
The RS-485 Design Guide - EDN
WuT background information on the RS485 bus systems
