RS232-CONVERTERS.COM SERIAL AND USB CONVERTER PRODUCTS SIMA S. ENTERPRISES   1-877-647-7434 SERIAL RS232, RS485, RS422, AND TTL CONVERTERS - USB ADAPTERS  GENDER CHANGERS - FIBER OPTIC CONVERTERS - ETHERNET CONVERTERS

SERIALCOMM AUTHORIZED DEALER 30 Day Satisfaction Guarantee 5 Year Product Warranty Purchase Orders Accepted 24/7 Technical Phone Support FREE Worldwide Shipping Same Day EXPRESS Shipping

WORRY FREE GUARANTEE! 30 Day Money Back! • 5 Year Warranty! • Free Shipping! • Same Day Express Shipping! • Industry Proven Highest Quality Products!

With over 10,000 satisfied customers, Sima S. Enterprises offers the finest quality industry proven USB, RS-232, RS-485, RS-422, TTL, Ethernet, and Fiber Optic converters available.  All of our products are shipped the same day ordered and come with a 30 day satisfaction guarantee and a 5 year manufacturer's warranty. FREE WORLDWIDE SHIPPING ON ALL PRODUCTS OPTIONAL SAME DAY EXPRESS SHIPPING UNTIL 7:30 PM EST PRODUCT INVENTORY STATUS:   ALL PRODUCTS IN STOCK

Frequently Asked Questions

Question 26:  WHAT IS ANTI-STATIC PROTECTION CIRCUITRY? IS IT A LIGHTNING ARRESTOR?

Answer:  The Static Protection Circuit is also called an ESD (Electro-Static Discharge).  The charged capacitance of a human body enables a person to destroy integrated circuits with a single touch.  Such a contact can easily occur during the installation of an interface cable.  To prevent ESD damage, the converters come with the protection circuit to protect RS-485/RS-422 transceivers against ESD levels. Static Protection Circuit is NOT a Surge Suppressor.  If the converters are to be connected to outdoor devices, to prevent your PC or other devices from being damaged by lightning strikes, proper lightning protection, opto-isolated converter or isolator is recommended.

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