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Serial / RS232 / RS485 / RS422 / TTL Converter Products

USB Adapters - Fiber Optic Converters - Ethernet Converters

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  • PROFESSIONAL QUALITY
  • RS232/RS485/RS422 Converters
  • Isolators and Suppressors
  • USB Adapters
  • Fiber Optic Media Converters
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Frequently Asked Questions

GENERAL QUESTIONS

  1. WHAT SHOULD I KNOW ABOUT THE SATISFACTION GUARANTEE?
  2. WHAT SHOULD I KNOW ABOUT THE PRODUCT WARRANTY?
  3. WHAT IS OUR PAYMENT POLICY?
  4. WHAT IS OUR SHIPPING POLICY?
  5. IS OUR WEBSITE CHECKOUT CREDIT CARD PROCESSING SECURE?
  6. WHAT ARE OUR TERMS AND CONDITIONS?
  7. WHAT IS OUR PRIVACY POLICY?
  8. WHO IS SIMA S. ENTERPRISES LLC?

GENERAL RS-232 / RS-485 / RS-422 QUESTIONS

  1. WHAT IS DTE / DCE? HOW DO I KNOW MY RS-232 DEVICE IS A DTE OR A DCE?
  2. WHAT ARE HANDSHAKE LINES?
  3. DO I NEED TO USE HANDSHAKE LINES TO CONTROL THE DATA DIRECTION?
  4. HOW DO I EXTEND THE RS-232 LINE DISTANCE?
  5. WHAT IS SMT? WHAT ARE THE BENEFITS OF USING SMT CIRCUITRY?
  6. WHAT IS GND? CAN I CONNECT IT TO THE EARTH?

SERIAL CONVERTER QUESTIONS

  1. CAN I PLUG / UNPLUG THE CONVERTERS WHILE THEY ARE  BEING USED?
  2. DO I NEED TO SET THE BAUD RATE ON THE CONVERTERS FOR THEM TO WORK?
  3. MY CONTROL SOFTWARE REQUIRES HANDSHAKE LINES TO BE TIED TOGETHER (EXAMPLE DTR TO DCR OR RTS TO CTS)  CAN I STILL USE THE CONVERTERS?
  4. WHAT IS THE MAXIMUM DISTANCE THE CONVERTERS CAN COMMUNICATE WITH REMOTE DEVICES?
  5. WHAT IS THE CURRENT CONSUMPTION OF THE CONVERTERS?
  6. HOW MANY SERIAL DEVICES CAN I CONNECT WITH THE PORT-POWERED CONVERTERS?
  7. WHEN DO I NEED TO USE TERMINATION?
  8. WHICH TYPE OF CABLE IS RECOMMENDED FOR RS-485 / RS-422 CONNECTIONS?
  9. WILL THE CONVERTERS WORK WITH NEW COMPUTERS?
  10. WILL THE CONVERTERS WORK WITH USB TO RS-232 CABLES?
  11. CAN I USE YOUR CONVERTERS WITHOUT USING THE TERMINAL BLOCKS?

OPTO-ISOLATION QUESTIONS

  1. WHAT IS ANTI-STATIC PROTECTION CIRCUITRY?  IS IT A LIGHTNING ARRESTOR?
  2. WHAT IS OPTO-ISOLATION?  WHAT ARE THE BENEFITS OF USING OPTO-ISOLATED CONVERTERS?
  3. WHAT ARE THE DIFFERENCES OF USING SURGE SUPPRESSORS AND OPTO-ISOLATORS?

TROUBLESHOOTING QUESTIONS

  1. HOW DO I PERFORM A LOOPBACK TEST FOR MY RS-232 / RS-485 CONVERTER?
  2. HOW DO I PERFORM A LOOPBACK TEST FOR MY RS-232 / RS-422 CONVERTER?
  3. HOW DO I PERFORM A LOOPBACK TEST FOR MY RS-232 / TTL CONVERTER?
  4. HOW DO I PERFORM A LOOPBACK TEST FOR MY RS-232 COM PORT?

FIBER OPTIC CONVERTER QUESTIONS

  1. WHAT IS FIBER OPTICS?
  2. WHAT ARE THE ADVANTAGES OF FIBER OPTIC SYSTEMS?
  3. WHAT DO I NEED TO USE FIBER OPTIC SYSTEMS?
  4. WHAT DOES A TYPICAL FIBER OPTIC SYSTEM CONSIST OF?
  5. WHAT IS THE DIFFERENCE BETWEEN SINGLE-MODE (SM) AND MULTI-MODE (MM)?
  6. WHAT ARE THE USABLE FIBER OPTIC CABLES FOR OUR FIBER OPTIC PRODUCTS?
  7. WHAT CONNECTOR TYPES DOES OUR FIBER OPTIC PRODUCTS COME WITH?
  8. WHAT IS THE WAVELENGTH FOR OUR FIBER OPTIC PRODUCTS?
  9. HOW MANY CORES OF THE FIBER OPTIC CABLE DO I NEED IN ORDER TO CONNECT OUR FIBER OPTIC CONVERTERS?
  10. WHAT IS THE MAXIMUM DISTANCE FOR THE RS-232, RS-485 AND RS-422 CONNECTIONS OF THE FIBER OPTIC CONVERTER?
  11. WHAT IS THE MAXIMUM DISTANCE FOR 10 OR 100M ETHERNET OF THE FIBER OPTIC CONVERTER?
  12. WHAT ARE THE TYPICAL FIBER LINK DISTANCES FOR OUR PRODUCTS?
  13. CAN I CONNECT AN RS-232 DEVICE TO ONE SIDE AND CONNECT RS-485  OR RS-422 DEVICES TO THE OTHER SIDE OF THE FIBER LINK?
  14. ARE THERE ANY JUMPER OR DIP SWITCH SETTINGS FOR SERIAL DATA TYPES OR BAUD RATES FOR YOUR RS-232 / RS-485 / RS-422 TO FIBER OPTIC CONVERTER?
  15. ARE THERE ANY JUMPER OR DIP SWITCH SETTINGS FOR 10/100M OR REGULAR / UPLINK PORT FOR THE ETHERNET TO FIBER OPTIC CONVERTER?
  16. WHAT ARE THE SUPPORTED BAUD RATES FOR YOUR RS-232 / RS-485/ RS-422 TO FIBER OPTIC CONVERTER?
  17. HOW MANY NODES CAN I CONNECT THE RS-485 OR RS-422 OF THE FIBER OPTIC CONVERTER?
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SIMA S. ENTERPRISES LLC
 www.rs232-converters.com
 email:sales@simaenterprises.com
PHONE:1-877-647-7434
FAX: 1-732-749-3598

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NEW JERSEY OFFICE
1298 Evans Road
Wall Township, NJ 07719

FLORIDA OFFICE P.O. BOX
5944 Coral Ridge Road #259
Coral Springs, FL 33076
2006-2010 Copyright Protected - Sima S. Enterprises LLC - Terms & Conditions - Privacy Statement   -     Protected By Copyscape

OUR CUSTOMER GUARANTEE!

We are a full service company offering the highest quality converters at a low price.

 

 

Quality Guarantee - SerialComm converters are low priced, high quality products and made to last a lifetime. They are manufactured in a ISO-9001 certified facility using surface mount technology with lead free components.  All converters are pretested prior to shipment and are fully guaranteed for 5 years.  There are no converters, Commercial or Industrial that surpass SerialComm's quality standards at any price tag. Satisfaction Guarantee - We offer a 100% 30 Day Money Back Guarantee which most companies do not offer.  If for any reason, you 're not satisfied with your purchase within 30 days, you can return it with no penalties.  We will return the full value of the order minus shipping costs. We do not reimburse express shipping fees.  We do not add restocking fees when returning a purchase within 30 days. Manufacturer's Warranty – SerialComm offers a 5-year Workmanship Warranty.  We are so confident our product are built to last, within a 5 year period from the time of purchase, if a rare event of a malfunction should occur; we will replace your product for free.  Fill out our RMA form and we will issue you a RMA number for return of your product.   We do not issue refunds after 30 days of purchase. Express Shipping Guarantee - We specialize in shipping express orders on-time.  If FEDEX express shipping is selected before 6:30 PM E.S.T. and the items are in stock; we guarantee that we will get the order delivered to FEDEX on-time for the scheduled express delivery.  If we fail do to so, we will ship you the package the next day and credit you the full value of the order. (LIMITED TO $100 PER ORDER).  Please refer to our Terms for full details.
 

Free Worldwide Shipping - We offer FREE shipping with all SerialComm products with TRACKING!  Not just to the U.S., we ship our products worldwide for FREE.   Given availability of items, they are shipped the next business day with an ETA of 2-5 days for domestic and 5-15 days for International orders using USPS, FEDEX or DHL couriers.  Express Shipping is extra and shipped the same day ordered.

  

Sales & Technical Support -We offer sales and technical support by phone, live chat and email 24/7.  Our sales team  provides immediate customer support such as taking orders or assisting in expedited shipping requirements.  If you need technical help, an experienced Electrical Engineer can offer assistance.  Our technical support team can be an invaluable service which we provide for free.

  

Purchase Orders - We accept purchase orders as well as credit cards and PayPal. We understand that many companies prefer to issue purchase orders rather than using credit cards.  We accept purchase orders with NET 30 terms in most cases.    Not too many companies on the internet are willing to accept purchase orders but we do.  Purchase orders can be faxed or emailed.

  

Fully Certified - Certifying Data Communication Products is extremely important for compatibility, safety and standards compliance.  All of our products are fully certified and passed CE, FCC and RoHS compliance tests.  These certificates provide confidence that our products are the highest quality while also environmentally safe and compatible with other devices.