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Serial / RS232 / RS485 / RS422 / TTL Converter Products

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  • RS232/RS485/RS422 Converters
  • Isolators and Suppressors
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  • Fiber Optic Media Converters
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Serial DB9 and DB25 Cables and Accessories

We offer serial cables as well as serial testing accessories which come in very handy when working with serial communications.  Please note that the following serial accessories are not CE, FCC or RoHS Certified.


DB9 Male to DB9 Female 10 ft Cable | 

Model AC-CABLE9 |

The AC-CABLE9 is a 10 ft. DB9 serial data cable.  On one end is a DB9 male connector with two screws and the other end is a DB9 female connector with two screws.  All nine wires are connected straight through and the cable is also shielded.  The housings are made from sturdy PVC. Price: $6.95


DB25 Male to DB25 Female 10 ft Cable | 

Model AC-CABLE25 |

The AC-CABLE25 is a 10 ft. DB25 serial data cable.  On one end is a DB25 male connector with two screws and the end is a DB25 female connector with two screws.  All 25 wires are connected straight through and the cable is also shielded.  The housings are made from sturdy PVC. Price: $7.95


DB9 Male to Female Jumper Adapter | 

Model AC-JUMPER9 |

The AC-JUMPER9 is a configurable db9 male to db9 female adapter.  The adapter comes with 9 color coded wires so custom wiring configurations can be implemented quickly with ease.. Price: $11.95


DB25 Male to Female Jumper Adapter | 

Model AC-JUMPER25 |

The AC-JUMPER25 is a configurable db25 male to db25 female adapter.  The adapter comes with 25 wires so custom wiring configurations can be implemented quickly with ease.  Price: $11.95


DB9 and DB25 Loopback Tester | 


The AC-LOOPBACK is a DB9 female or DB25 female loopback tester.  With this adapter you can easily perform a loopback tests without fussing with jumper wires.  The DB9 connector has two screws and the DB25 connector has two screws. Price: $7.95



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FAX: 1-732-749-3598

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PO Box 1397
Wall Township, NJ 07719

10401 Venice Blvd. #502
Los Angeles, CA 90034

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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 WarrantySerialComm 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.