RS232-CONVERTERS.COM

USB AND SERIAL CONVERTER PRODUCTS

 

SIMA S. ENTERPRISES   1-877-647-7434

 


Satisfaction Guarantee...
3 Year Warranty...
P.O.'s Accepted...
Customer Phone Support...
Technical Phone Support...

SATISFACTION GUARANTEE! - SAME DAY SHIP! - 3 YEAR WARRANTY ON ALL PRODUCTS!

 

Sima S. Enterprises offers the finest quality CommFront USB, RS-232, RS-485, RS-422, TTL, Ethernet, or Fiber Optic converters  available on the market.  All of our products are CE Certified and come with a 30 day satisfaction guarantee and a 3 year workmanship warranty.  

OPTIONAL SAME DAY
 EXPRESS FEDEX SHIPPING
 UNTIL 7:00 PM E.S.T



SERIAL CONVERTERS

MEDIA CONVERTERS

USB ADAPTERS

RMA FORMS


     

SERIAL RS232, RS485 AND RS422 CONVERTERS

     

PORT POWERED
RS232 TO RS485 CONVERTER

CE Certified

Model CVT-485-1

 

RS232 TO RS485 CONVERTER

DB9-Female To DB9-Male or Terminal

Plug-and-Play, port powered, and bi-directional RS232 to RS485 (2 WIRE) converter. No power supply required. Completely Auto-Sensing and Self-Adjusting Baud Rates and Data Formats.  Extend the RS232 transmission distance up to 4000 feet.

300 To 115.2K Baud Operation

CVT-485-1 CONVERTER DETAILS

 

QUALITY/PRICE GUARANTEE!

$59.95  $48.95     ORDER HERE

PORT POWERED
RS232 TO RS485/RS422 CONVERTER

CE Certified

Model CVT-485_422-1

RS232 TO RS485/RS422 CONVERTER

DB9-Female To DB9-Male or Terminal

Plug-and-Play, port powered. and bi-directional RS232 to RS485 (2 WIRE) or RS232 to RS422 (4 WIRE) converter.  No power supply required.  Completely Auto-Sensing and Self-Adjusting Baud Rates and Data Formats.  Extend the RS232 transmission distance up to 4000 feet.

300 To 115.2K Baud Operation

CVT-485_422-1 CONVERTER DETAILS

 

QUALITY/PRICE GUARANTEE!

$69.95  $59.95     ORDER HERE

PORT POWERED - OPTICALLY ISOLATED
RS232 TO RS485/RS422 CONVERTER

CE Certified

Model CVT-485_422-3

OPTO-ISOLATED RS232 TO RS485/RS422 CONVERTER

DB9-Female To DB9-Male or Terminal

Plug-and-Play, port powered, bi-directional and optically isolated RS232 to RS485 (2 WIRE) or RS232 to RS422 (4 WIRE) converter.  This converter features optical isolation, which protects your RS232 devices from transient surges, ground loop, and remote lightning.

300 To 19.2K Baud Operation

 

CVT-485_422-3 CONVERTER DETAILS

 

QUALITY/PRICE GUARANTEE!

$94.95  $84.95     ORDER HERE

     

9 PIN AND 25 PIN
SERIAL GENDER CHANGERS

  • RS232 9 PIN MALE TO MALE

  • RS232 9 PIN FEMALE TO FEMALE

  • RS232 25 PIN MALE TO MALE

  • RS232 25 PIN FEMALE TO FEMALE

     

    $4.95

9 PIN TO 25 PIN
SERIAL CONVERTERS

  • RS232 9 PIN MALE TO 25 PIN FEMALE

  • RS232 9 PIN FEMALE TO 25 PIN MALE

$5.95

 

SERIAL NULL MODEM

OUR QUALITY GUARANTEE!

 

We back our high quality products with a 30 DAY Satisfaction Guarantee and a 3 year workmanship Warranty.  When you buy CommFront products you are buying the best quality, and that is very important when interfacing with expensive equipment.   CommFront's products are widely used by industry leaders. Here are some of our valued customers, just to name a few:

 

Allied Electronics AT&T
BAE Systems Corp. Cisco
Comcast Corp. General Electric
Harris Corp. Hewlett Packard
Honeywell Corp. IBM
Intel Corp. ITT Corp.
Johnson Controls L-3 Communications
Lockheed Martin Mitre Corp.
NASA Northrop Grumman
Panasonic Princeton University
Raytheon Corp. Seagate Technologies
Siemens Corp. Sirius Satellite Radio
The Boeing Company Tyco Telecomm.
Union Switch & Signal USAF Academy

 

RS232 CONVERTERS

RS485 CONVERTERS

RS422 CONVERTERS

3-YEAR
WARRANTY
NEXT DAY
DELIVERY
WORLD
SHIP

EXTERNALLY POWERED
RS485 TO RS422 CONVERTER / REPEATER


CE CERTIFIED


Model RPT-485_422-2

RS485 TO RS422 CONVERTER / REPEATER

DB9-Male or Terminal To
 DB9-Male or Terminal

Plug-and-Play bi-directional and externally powered RPT-485_422-2 is a RS485 to RS422 converter, which can be used to extend the RS485 or RS422 distance to up to 4000 ft (1.2km). It can also be used to convert a two-wire RS485 signal into a four-wire RS422 signal, and vice versa.

300 To 115.2K Baud Operation

OPTIONAL 5V POWER SUPPLY AVAILABLE

RPT-485_422-2 CONVERTER DETAILS

 

QUALITY/PRICE GUARANTEE!


$79.95   $74.95

ORDER HERE

     

SERIAL RS232 TTL CONVERTERS

     

PORT POWERED
RS232 TO TTL-5V CONVERTER

CE CERTIFIED
Model TTL-232-1

RS232 TO TTL-5V CONVERTERS

DB9-Female To DB9-Male or Terminal

Plug-and-Play, port powered bi-directional RS232 to TTL-5V converter, which can be used to convert from RS232 to 5V DC TTL compatible levels and vice versa.   Completely Auto-Sensing and Self-Adjusting Baud Rates and Data Formats.  No power supply required.


TTL-232-1  CONVERTER DETAILS

 QUALITY/PRICE GUARANTEE!

$49.95  $39.95     ORDER HERE

PORT POWERED
RS232 TO LOW VOLT TTL-3.3V CONVERTER

CE CERTIFIED

Model TTL33-232-1

RS232 TO LOW VOLT TTL-3.3V CONVERTERS

DB9-Female To DB9-Male or Terminal

Plug-and-Play, port powered bi-directional RS232 to Low Voltage TTL-3.3V converter, which can be used to convert RS232 to 3.3V CMOS DC TTL compatible levels and vice versa.   Completely Auto-Sensing and Self-Adjusting Baud Rates and Data Formats.  No power supply required.

 

TTL33-232-1 CONVERTER DETAILS

QUALITY/PRICE GUARANTEE!

$49.95  $39.95     ORDER HERE

EXTERNAL POWERED
RS485 TO TTL-5V CONVERTER

CE CERTIFIED
Model TTL-485-2

RS485 TO TTL-5V CONVERTERS

DB9-Male or Terminal To
 DB9-Male or Terminal

Plug-and-Play, bi-directional RS485 to TTL converter, which can be used to convert RS485 to 5V DC TTL compatible levels and vice versa.  It is also ideal for extending the TTL distance.  The unit is powered from an external 5V DC power supply.

OPTIONAL 5V POWER SUPPLY AVAILABLE

TTL-485-2  CONVERTER DETAILS

QUALITY/PRICE GUARANTEE!

$59.95  $49.95     ORDER HERE

     

SERIAL ISOLATORS & OPTO-ISOLATED CONVERTERS

     

PORT POWERED - OPTICALLY ISOLATED
3-WIRE RS232 ISOLATOR

CE CERTIFIED
Model CVT-232A-3

3-WIRE RS232 ISOLATOR

DB9-Female To DB9-Male

Plug-and-Play, port powered RS232 Isolator optically isolates three RS232 lines (TX, RX and GND), which effectively protects your RS232 devices from transient surges, ground loop, and remote lightning.  Optical isolation also eliminates ground loop and noise problems.  The isolator is powered from the rs232 data line, and therefore, no external power or RTS, DTR is required.

300 To 38.4K Baud Operation

 

CVT-232A-3 CONVERTER DETAILS

 

QUALITY/PRICE GUARANTEE!

$74.95  $64.95     ORDER HERE

PORT POWERED - OPTICALLY ISOLATED
7-WIRE RS232 ISOLATOR

CE CERTIFIED

Model CVT-232B-3

 

7-WIRE RS232 ISOLATOR

DB9-Female To DB9-Male

 

Plug-and-Play, port powered RS232 Isolator which optically isolates seven RS232 lines (TX, RX, RTS, CTS, DTR, DSR and GND), which protects your RS232 devices from transient surges, ground loop, and remote lightning.  Optical isolation also eliminates ground loop and noise problems.  The isolator is powered from the rs232 data line, and therefore, no external power or RTS, DTR is required.

 

300 To 19.2K Baud Operation

 

CVT-232B-3  CONVERTER DETAILS

 

QUALITY/PRICE GUARANTEE!

$84.95  $74.95     ORDER HERE

PORT POWERED - OPTICALLY ISOLATED
RS232 TO RS485/RS422 CONVERTER

CE Certified

Model CVT-485_422-3

RS232 TO RS485/RS422 CONVERTER

DB9-Female To DB9-Male or Terminal

Plug-and-Play, port powered, bi-directional and optically isolated RS232 to RS485 (2 WIRE) or RS232 to RS422 (4 WIRE) converter.  This converter features optical isolation circuitry, which effectively protect your RS232 devices from transient surges, ground loop, and remote lightning.  Completely Auto-Sensing and Self-Adjusting Baud Rates and Data Formats.

300 To 19.2K Baud Operation

 

CVT-485_422-3  CONVERTER DETAILS

 

QUALITY/PRICE GUARANTEE!

$94.95  $84.95     ORDER HERE

     
 

FIBER OPTIC MEDIA CONVERTERS

 

RS232 / RS485 / RS422 TO
 FIBER OPTIC MEDIA CONVERTER

CE, and FCC Certified

Model FBR-SERIAL-2

RS232 / RS485 / RS422 TO
 FIBER OPTIC MEDIA CONVERTER

SINGLE-MODE OR MULTI-MODE
ST OR SC CONNECTION TYPE

The FBR-Serial-2 is a multi-functional serial to fiber optic converter (fiber optic modem) that supports asynchronous serial communications (RS232, RS485, and RS422) through fiber optic links. 

FBR-SERIAL-2 CONVERTER DETAILS

QUALITY/PRICE GUARANTEE!

MM (Multi-Mode)/ST - $174.95

 

MM (Multi-Mode)/SC - $174.95

 

SM (Single-Mode)/ST - $234.95

 

SM (Single-Mode)/SC - $234.95

 

ORDER HERE

 

MEDIA

CONVERTERS

EXTEND THE

DISTANCE

OF YOUR SERIAL OR

ETHERNET DATA

UP TO 12 MILES

USING

FIBER OPTIC

ETHERNET TO FIBER OPTIC
MEDIA CONVERTER

CE, and FCC Certified

Model FBR-SERIAL-2

ETHERNET TO FIBER OPTIC MEDIA CONVERTER

SINGLE-MODE OR MULTI-MODE
ST OR SC CONNECTION TYPE

The FBR-Ethernet-2 is a 10/100M Ethernet to fiber optic media converter, which provides one channel for media conversion between 10/100BaseTX and 100BaseFX.

FBR-ETHERNET-2 CONVERTER DETAILS

QUALITY/PRICE GUARANTEE!

 

MM (Multi-Mode)/ST - $114.95

 

MM (Multi-Mode)/SC - $114.95

 

SM (Single-Mode)/ST - $144.95

 

SM (Single-Mode)/SC - $144.95

 

ORDER HERE

 

     

          

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CONTACT INFORMATION

RS232-CONVERTERS.COM

Sima S. Enterprises LLC
1298 Evans Road
Wall Township, NJ 07719

PHONE: 1-877-647-7434
FAX: 732-749-3598

email:  sales@simaenterprises.com

 

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