Tech Help



	Here you will find helpful information regarding most types of data converters. It will help you put the pieces together! Feel free to contact us at any time if you do not find answers to your questions here.


	RS232
	RS232 Basics
	How Can I Check My RS232 Port?
	RS232 Tester / Troubleshooter (.pdf)

	RS485
	RS485 Greatest Troubleshooter (.pdf)
	RS485 Basics
	RS232 to RS485 Port Check
	RS485 Port Check with Hyper Terminal
	RS485, Connecting a 4-wire Slave to a 4-wire Master
	RS485 Connection Examples
	RS485 Termination
	RS485 Multidrop Networks
	10 Ways to Bulletproof RS485 Interfaces (.pdf)
	RS485 Explained (.pdf)
	RS485 FAQ

	RS422
	Basic RS422 Connections
	RS232 to RS422 Port Check

	Misc Serial Connections
	Port-powered serial converters
	Repeaters, extending network
	Quick Serial Reference
	Optical isolation and ground loops
	ModBus Over Serial Guide
	DTE/DCE Connections (.pdf)
	How to fix "This Device Cannot Start. (Code 10)" (pdf)
	How to fix "USB Device Not Recognized error" (pdf)

	Ethernet
	How Ethernet Works
	Ethernet Facts
	Serial to Ethernet
	BF43x Tunnel Mode (pdf)
	How to hardware reset ATC-1000 (pdf)
	How to access a serial device over Internet

	USB
	USB Basics
	USB 2.0

	Fiber
	Fiber versus copper

	Wireless
	Wireless standards
	WiFi Serial Device Server (EP132) Troubleshooter

	Links
	The RS232 Standard
	RS232 Wiki
	RS485 Wiki
	RS422 Wiki
	Telecommunications Industry Association
	Introduction to Serial Communications
	USB Wiki
	The USB Standard
	RS232 to RS485

Our locations:
15115 Raymond Ave Gardena, CA 90247, USA	7800 The Bluffs, Suite C Austell, GA 30168, USA
Serial USB \| RS232 \| RS485 \| RS422 Adapters

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