RS232-CONVERTERS.COM

USB AND SERIAL CONVERTER PRODUCTS

 

SIMA S. ENTERPRISES   1-877-647-7434

 


Authorized Distributor

Satisfaction Guarantee...
2 Year Warranty...
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Customer Phone Support...
Technical Phone Support...


 

Sima S. Enterprises offers the finest quality CommFront USB, RS-232, RS-485, RS-422, and TTL converter products available on the market.  All of our products are CE Certified and come with a 30 day satisfaction guarantee and a 2 year workmanship warranty.  

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



SERIAL CONVERTERS

USB CONVERTERS

SERIAL CABLES

ANALYZER SOFTWARE


     

SERIAL RS232, RS485 AND RS422 CONVERTERS

     

PORT POWERED
SERIAL RS232 TO RS485

CE Certified

Model CVT-485-1

 

DB-9 Female to DB-9 Male
 or Included Terminal Block

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

SPECIFICATIONS

 

CONVERTER FAQS

$59.95  $54.95     BUY NOW

PORT POWERED
SERIAL RS232 TO RS485/RS422

CE Certified

Model CVT-485_422-1

DB-9 Female to DB-9 Male
 or Included Terminal Block

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

SPECIFICATIONS

 

CONVERTER FAQS

$69.95  $64.95     BUY NOW

PORT POWERED - OPTICALLY ISOLATED
SERIAL RS232 TO RS485/RS422

CE Certified

Model CVT-485_422-3



DB-9 Female to DB-9 Male
 or Included Terminal Block

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

 

SPECIFICATIONS

 

CONVERTER FAQS

$94.95  $89.95     BUY NOW

     

PORT POWERED - OPTO-ISOLATED
3-WIRE RS232 REPEATER


CE CERTIFIED

Model RPT-232-3

DB-9 Female to DB-9 Male

Plug-and-Play, port powered and optically isolated RS232 data repeater (TX, RX, and GND) which works in pairs to extend the full-duplex RS232 distance up to 1.8 Miles (3 km).  This repeater features opto-isolation circuitry, which effectively protect your RS232 device from transient surges, ground loop, and remote lightning.  If you want to extend the distance of your RS232 port, this is your best option.

300 To 28.8K Baud Operation

SPECIFICATIONS 

CONVERTER FAQS

(1- Pair) Converters Included

$109.95  $104.95

BUY NOW

 

OUR QUALITY GUARANTEE!

 

We back our high quality products with a 30 DAY Satisfaction Guarantee and a 2 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

 

2-YEAR
WARRANTY
NEXT DAY
DELIVERY
WORLD
SHIP

PORT POWERED
RS485 TO RS422 CONVERTER/REPEATER


CE CERTIFIED


Model RPT-485_422-2

DB-9 Male or Terminal Block to
 DB-9 Male or Terminal Block

Plug-and-Play 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


SPECIFICATIONS

    

CONVERTER FAQS


$79.95

BUY NOW

 

     

SERIAL TTL CONVERTERS

     

PORT POWERED
RS232 TO TTL-5V CONVERTER

CE CERTIFIED
Model TTL-232-1



DB-9 Female to DB-9 Male
 or Included Terminal Block

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.   No power supply required.

SPECIFICATIONS

CONVERTER FAQS

$49.95  $44.95     BUY NOW

PORT POWERED
RS232 TO LOW VOLT TTL-3.3V CONVERTER

CE CERTIFIED

Model TTL33-232-1

DB-9 Female to DB-9 Male
 or Included Terminal Block

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.   No power supply required.

SPECIFICATIONS

CONVERTER FAQS

$49.95  $44.95     BUY NOW

EXTERNAL POWERED
RS485 TO TTL-5V CONVERTER

CE CERTIFIED
Model TTL-485-2



DB-9 Male or Terminal Block to
 DB-9 Male or Terminal Block

Plug-and-Play, 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.

SPECIFICATIONS

CONVERTER FAQS

$59.95  $54.95     BUY NOW

     

SERIAL ISOLATORS & OPTO-ISOLATED CONVERTERS

     

PORT POWERED - OPTICALLY ISOLATED
3-WIRE RS232 ISOLATOR

CE CERTIFIED
Model CVT-232A-3

DB-9 Female to DB-9 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

 

SPECIFICATIONS

    

CONVERTER FAQS

$74.95  $69.95     BUY NOW

PORT POWERED - OPTICALLY ISOLATED
7-WIRE RS232 ISOLATOR

CE CERTIFIED

Model CVT-232B-3

 


DB-9 Female to DB-9 Male

 

Plug-and-Play, port powered RS232 Isolator which optically isolates seven RS232 lines (TX, RX, RTS, CTS, DTR, DSR 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 19.2K Baud Operation

 

SPECIFICATIONS

    

CONVERTER FAQS

$84.95  $79.95     BUY NOW

PORT POWERED - OPTICALLY ISOLATED
SERIAL RS232 TO RS485/RS422

CE Certified

Model CVT-485_422-3



DB-9 Female to DB-9 Male
 or Included Terminal Block

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

 

SPECIFICATIONS

 

CONVERTER FAQS

$94.95  $89.95     BUY NOW

     

USB TO RS232/RS485/RS422 & TTL CONVERTERS

     

USB TO RS232 ADAPTER
CE, FCC and RoHS Certified

Model USB-232-1



USB Type A Female to DB-9 Male

The USB-232-1 is a port-powered USB to RS232 adapter that can be used to convert any standard USB port (USB 2.0 - backward compatible) into a RS232C port.

The unit uses the latest FTDI chipset and is fully compatible with Windows Vista / XP / Server20003 / 2000 / 98 (32 bit), Vista / XP / Server2003 / 2000 / 98 (64 bit), Win CE, Mac 8.6/9.x/10.x, and Linux.

300 To 128K Baud Operation

SPECIFICATIONS

$29.95     BUY NOW

 

USB TO DUAL RS232 ADAPTER
CE. FCC and RoHS Certified

Model USB-232A-1

 

USB Type A Female to DB-9 Males

The USB-232A-1 is a port-powered USB to RS232 adapter that can be used to convert any standard USB port (USB 2.0 - backward compatible) into two RS232C ports.

The unit uses the latest FTDI chipset and is fully compatible with Windows Vista / XP / Server20003 / 2000 / 98 (32 bit), Vista / XP / Server2003 / 2000 / 98 (64 bit), Win CE, Mac 8.6/9.x/10.x, and Linux.

300 To 128K Baud Operation

SPECIFICATIONS

$44.95     BUY NOW

 

USB CONVERTER COMBINATIONS
CE Certified

 

 

USB TO RS485 CONVERTER
SINGLE: USB-485-S - $84.95
DUAL:    USB-485-D - $154.95

 

USB TO RS485/422 CONVERTER
SINGLE: USB-485-422-S - $94.95
DUAL:    USB-485-422-D - $174.95

 

USB TO TTL-5V CONVERTER
SINGLE: USB-TTL5-S - $74.95
DUAL:    USB-TTL5-D - $134.95

 

USB TO TTL-3.3V CONVERTER
SINGLE: USB-TTL33-S - $74.95
DUAL:    USB-TTL33-D - $134.95

 

BUY NOW

 

SERIAL ANALYZER SOFTWARE /MONITOR CABLES

     


232ANALYZER SOFTWARE

TEST, MONITOR AND CONTROL YOUR RS232, RS422, RS485 AND TTL DEVICES (Non-RS232 Converters Required)

AN ADVANCED & COMPREHENSIVE SERIAL PORT ANALYZER.

$99.95    - SINGLE LICENSE
$279.95 - 5-LICENSE MULTI-PACK
$499.95 - UNLIMITED SITE LICENSE

 

SPECIFICATIONS

 

BUY NOW

2-IN-1 CABLE SERIAL

(FULL-DUPLEX)

Model CBL-FULL-1

 

 

 

 

Control or monitor external serial devices with this (spy) 9-pin full-duplex serial comm. port cable.  (Require two serial ports on computer).  Excellent accessory to the 232analyzer software.

 


 

SPECIFICATIONS

 

$49.95  $44.95     BUY NOW

2-IN-1 CABLE SERIAL

(HALF-DUPLEX)

Model CBL-HALF-1

 

 


Control or monitor external

serial devices with this (spy) 9-pin

half-duplex serial comm. port cable.

Excellent accessory to the

232analyzer software.

 


 

SPECIFICATIONS

 

$39.95   $34.95     BUY NOW

     

SERIAL ADAPTERS AND GENDER CHANGERS

 

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

     

    $3.95    BUY NOW

9 PIN TO 25 PIN
SERIAL CONVERTERS

  • RS232 9 PIN MALE TO 25 PIN FEMALE

  • RS232 9 PIN FEMALE TO 25 PIN MALE

$4.95     BUY NOW

 


SERIAL NULL MODEM

     

          

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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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