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Serial / RS232 / RS485 / RS422 / TTL Converter Products

USB Adapters - Fiber Optic Converters - Ethernet Converters

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  • INDUSTRIAL AND COMMERCIAL
  • RS232/RS485/RS422 Converters
  • Isolators and Suppressors
  • USB Adapters
  • Fiber Optic Media Converters
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Frequently Asked Questions

POLICY 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 QUESTIONS

  1. WHAT IS THE DIFFERENCE BETWEEN COMMERCIAL-GRADE AND INDUSTRIAL-GRADE PRODUCTS?
  2. WHAT IS THE IMPORTANCE OF CERTIFICATIONS?
  3. IS IT HARMFUL TO EITHER PLUG OR UNPLUG A CONVERTER WHILE POWERED?
  4. CAN CONVERTERS BE USED WITHOUT USING THE TERMINAL BLOCKS?
  5. WHAT ARE THE BENEFITS OF USING SURFACE MOUNT TECHNOLOGY (SMT) CIRCUITRY?
  6. WHAT IS GND AND IS IT THE SAME AS EARTH GROUND?
  7. WHEN DO I NEED TO USE 120 OHM TERMINATION?
  8. HOW MUCH CURRENT DO OUR PORT-POWERED CONVERTERS CONSUME?
  9. DOES THE BAUD RATE ON THE CONVERTER NEED TO BE SET IN ORDER FOR THE CONVERTER TO WORK?
  10. MY CONTROL SOFTWARE REQUIRES HANDSHAKE LINES TO BE TIED TOGETHER (EXAMPLE DTR TO DCR OR RTS TO CTS) CAN I STILL USE THE CONVERTERS?
  11. WHAT IS THE MAXIMUM DISTANCE THE CONVERTERS CAN COMMUNICATE WITH REMOTE DEVICES?
  12. HOW MANY SERIAL DEVICES CAN I CONNECT WITH THE PORT-POWERED CONVERTERS?
  13. ARE ALL PORT-POWERED CONVERTERS COMPATIBLE WITH NEW COMPUTERS?

RS232/RS485/RS422 CONVERTER QUESTIONS

  1. HOW IS A LOOPBACK TEST PERFORMED ON THE RS232 COM PORT
  2. HOW IS A LOOPBACK TEST PERFORMED ON A SERIALCOMM RS232 TO RS485 CONVERTER?
  3. HOW IS A LOOPBACK TEST PERFORMED ON A SERIALCOMM RS232 TO RS422 CONVERTER?
  4. WHAT IS A RS232 DTE AND DCE?
  5. HOW CAN I TELL THE DIFFERENCE BETWEEN A RS232 DTE AND A DCE?
  6. WHAT ARE DATA LINES ON A RS232 DEVICE?
  7. WHAT ARE HANDSHAKE LINES ON A RS232 DEVICE?
  8. DOES THE DATA DIRECTION NEED TO BE CONTROLLED BY THE HANDSHAKE LINES ON SERIALCOMM CONVERTERS?
  9. WHAT IS THE MAXIMUM DISTANCE FOR THE RS232, RS485 AND RS422?
  10. HOW COULD THE RS232 DATA LINES COMMUNICATION DISTANCE BE EXTENDED?
  11. HOW COULD THE RS485/RS422 DATA LINES COMMUNICATION DISTANCE BE EXTENDED?
  12. WHY IS IT IMPORTANT TO TERMINATE RS485/RS422 NETWORKS?
  13. WHAT IS THE DIFFERENCE BETWEEN SERIALCOMM 3-WIRE AND 7-WIRE RS232 REPEATERS?
  14. WHICH TYPE OF CABLE IS RECOMMENDED FOR RS485 / RS422 CONNECTIONS?
  15. HOW DO RS232 PORT-POWERED CONVERTERS DERIVE POWER?
  16. WHAT DO I DO IF MY RS232 DEVICE DOES NOT POWER THE PORT-POWERED CONVERTER?
  17. IS RS485 4-WIRE THE SAME AS RS422 4-WIRE?

TTL QUESTIONS

  1. HOW IS A LOOPBACK TEST PERFORMED ON THE SERIALCOMM RS232 TO TTL CONVERTER?
  2. WHAT KINDS OF TTL CONVERTERS DO WE OFFER?
  3. WHAT IS THE DIFFERENCE BETWEEN 5V TTL and 3.3V TTL?
  4. HOW IS DATA TRANSFERRED FROM RS232 or RS485 to TTL?
  5. HOW DO YOU EXTEND THE DISTANCE OF A TTL SIGNAL?

USB QUESTIONS

  1. HOW IS A LOOPBACK TEST PERFORMED ON THE SERIALCOMM USB TO RS232 ADAPTER?
  2. HOW IS A LOOPBACK TEST PERFORMED ON THE SERIALCOMM USB TO RS485 ADAPTER
  3. HOW IS A LOOPBACK TEST PERFORMED ON THE SERIALCOMM USB TO RS422 ADAPTER?
  4. HOW IS A LOOPBACK TEST PERFORMED ON THE SERIALCOMM USB TO TTL CONVERTER?
  5. WHAT IS THE MAXIMUM DISTANCE BETWEEN THE USB AND CONNECTING DEVICES?
  6. WHERE CAN I GET DRIVERS FOR THE USB ADAPTERS?
  7. WILL THE USB CONVERTER WORK WITH FUTURE RELEASES OF OPERATING SYSTEMS?
  8. HOW ARE THE USB ADAPTERS POWERED?
  9. WILL THE USB ADAPTER WORK ON AN COMMERCIAL NON-PC EQUIPMENT?
  10. WILL OUR RS232 AND RS485 CONVERTERS WORK ON THE USB ADAPTERS?
  11. HOW DOES THE COMPUTER THE USB IS INSTALLED RECOGNIZE THE USB ADAPTER?

ETHERNET QUESTIONS

  1. WHAT IS THE MAXIMUM DISTANCE FOR 10 OR 100M ETHERNET?

ISOLATION & SURGE SUPPRESSION QUESTIONS

  1. HOW IS A LOOPBACK TEST PERFORMED ON A SERIALCOMM 3-WIRE RS-232 ISOLATOR?
  2. HOW IS A LOOPBACK TEST PERFORMED ON A SERIALCOMM A 8-WIRE RS-232 ISOLATOR?
  3. WHAT IS ELECTRO STATIC PROTECTION CIRCUITRY? IS IT THE SAME AS OPTICAL ISOLATION?
  4. WHAT IS AN OPTO-ISOLATED CONVERTER. WHAT ARE THE BENEFITS OF USING THEM?
  5. WHAT ARE THE DIFFERENCES BETWEEN SURGE OPTO-ISOLATORS AND SUPPRESSORS?
  6. WHAT IS THE MAXIMUM DISTANCE BETWEEN THE 3-WIRE OR 8-WIRE ISOLATOR AND THEIR ATTACHED DEVICES?
  7. CAN YOU CONNECT A RS232 TO RS485/RS422 OR RS232 TO TTL CONVERTER TO THE ISOLATOR?

FIBER OPTIC CONVERTER QUESTIONS

  1. HOW IS A LOOPBACK TEST PERFORMED ON THE SERIALCOMM SERIAL FIBER OPTIC CONVERTER?
  2. HOW IS A LOOPBACK TEST PERFORMED ON THE SERIALCOMM ETHERNET FIBER OPTIC CONVERTER?
  3. WHAT ARE FIBER OPTICS AND HOW ARE THEY USED?
  4. WHAT ARE THE ADVANTAGES OF FIBER OPTIC SYSTEMS OVER COPPER WIRE SYSTEMS?
  5. WHICH CONNECTOR TYPES ARE SUPPORTED BY SERIALCOMM FIBER OPTIC CONVERTERS?/li>
  6. WHAT IS THE DIFFERENCE BETWEEN MULTI-MODE (MM) AND SINGLE MODE (SM) FIBER OPTIC CABLE?
  7. WHICH FIBER OPTIC CABLES CAN BE USED WITH SERIALCOMM FIBER OPTIC CONVERTERS?
  8. WHAT ARE THE TYPICAL FIBER OPTIC COMMUNICATION DISTANCES SERIALCOMM FIBER OPTIC CONVERTERS SUPPORT?
  9. WHAT IS THE DIFFERENCE BETWEEN THE RS232 FIBER OPTIC CONVERTER AND THE RS232/RS485/RS422 FIBER OPTIC CONVERTER?
  10. ARE THERE ANY JUMPER OR DIP SWITCH SETTINGS ON SERIALCOMM SERIALCOMM FIBER OPTIC CONVERTERS?
  11. ARE THERE ANY JUMPER OR DIP SWITCH SETTINGS ON SERIALCOMM ETHERNET TO FIBER OPTIC CONVERTERS?
  12. ARE THE RS232/RS485/RS422 CONNECTIONS INTERCHANGEABLE ON SERIALCOMM FIBER OPTIC CONVERTERS?

 

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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 ADDRESS
1933 Highway 35 Suite 105-365
Wall Township, NJ 07719

CALIFORNIA ADDRESS
10401 Venice Blvd. #502
Los Angeles, CA 90034
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.