INDUSTRIAL OPTO-ISOLATED RS232 RS485 RS422 CONVERTER / ISOLATOR

Opto-isolated RS232 to RS485 RS422 Converter/Isolator

 Home | Downloads | Purchase | Buy in Bulk | Login | Contact Us | Distributors

Opto Isolated RS232 to RS485 RS422 Converter  

 
RS232 ISOLATOR / ISOLATED RS232 RS485 RS422 CONVERTER

- Industrial grade.
- Optical isolation protects RS232 devices.
- Port powered.
- Auto-turnaround.
- Built-in 120
Ω end-of-line terminator.
-
Strictly certified by world-class labs.
- 5-year manufacturer's warranty.
         
 

RS232 Isolators / Isolated Converters

 

INDUSTRIAL ISOLATED RS232 TO RS485 RS422 CONVERTER / RS232 ISOLATOR

 

Isolated RS232 to RS485 Converter

 
 

Isolated RS232 to RS422 Converter

 
 

Isolated RS232 to RS485 / RS422 Converter

 
  Isolated RS232 to RS485 / RS422 Converter (Rack/Wall-Mount)  
  Isolated RS485 / RS422 Repeater / Converter (Rack/Wall-Mount)  
  Isolated RS485 Hub / Splitter (Rack/Wall-Mount)  
  Isolated USB to RS232/485/422 Converter (Rack/Wall-Mount)  
 

RS232 Isolator (3-wire)

 
 

RS232 Isolator (7-wire)

 
     
  Other products  
     
 

RS232 to RS485 Converters

 
 

RS232 to RS422 Converters

 
 

RS232 RS485 RS422 to TTL Converters

 
 

RS232 RS485 RS422 Repeaters

 
 

Fiber Optic Converters

 
 

USB Serial Adapters

 
 

RS232 Serial Analyzer

 
 
 
RS485 converter, RS232 to RS485 converter, 5-year warranty

Quality products with 30-Day Satisfaction Guarantee & 5-Year Warranty.


RS232 to RS485 converter, Worldwide shipping

FREE worldwide shipping / optional same day EXPRESS shipping on all products!

 

Testimonials

"I am communicating with kWh (energy) meters that have the RS485 built in, the port-powered converter's auto-turnaround feature works really well for my application, and I don't have to change any configuration."
Peter
"232Analyzer is a nice piece of software. It's checksum calculator helped me to analyze pretty tough serial communication protocol."
Timo
 
 
 
 

CommFront offers a range of high-quality, industrial-grade, port or externally-powered RS232 isolators and opto-isolated USB RS232 / RS485 / RS422 converters / repeaters / hubs / splitters. These plug-and-play products operate within a wide temperature range (-40ºF to 185ºF / -40ºC to 85ºC), feature 600W surge protection and 15kV static protection, and come with built-in 120 Ohm terminators for easy installation. Whether your environment is commercial or industrial, "clean" or "noisy"*, our isolator and converter products provide safe, easy, and cost-effective solutions for your data-conversion applications.

* A "noisy" environment is an area surrounded by ground loops, transient surges and spikes, which could potentially harm your expensive equipment such as computers and data communication devices. The CommFront opto-isolated converters and isolators provide simple and effective ways to protect your devices from such potential harms.

 

OPTO-ISOLATED CONVERTER SELECTION TABLE

 Part Number  Description  Price
CVT-232A-3 RS232 Isolator (3-wire)
(3-wire/Isolated/Industrial/Port-powered/300 to 38.4K Baud)
$49.95
Order
CVT-232B-3 RS232 Isolator (7-wire)
(7-wire/Isolated/Industrial/Port-powered/300 to 19.2K Baud)
$59.95
Order
CVT-485-3 RS232 <=> 2-wire RS485 Converter
(Opto-isolated/Industrial/Port-powered/1.2 to 57.6K Baud)
$74.95
Order
CVT-422-3 RS232 <=> 4-wire RS422 Converter
(Opto-isolated/Industrial/Port-powered/1.2 to 38.4K Baud)
$74.95
Order
CVT-485_422-3 RS232 <=> 2-wire RS485 or 4-wire RS422 Converter
(Opto-isolated/Industrial/Port-powered/1.2 to 38.4K Baud)
$79.95
Order
CVT-485_422-4 RS232 <=> 2-wire RS485 or 4-wire RS422 Converter (Isolated/Industrial/Externally-powered/300 to 115.2K Baud) $119.95
Order
RPT-485_422-4 RS485 <=> RS422 Converter or RS485/RS422 Repeater (Isolated/Industrial/Externally-powered/300 to 115.2K Baud) $119.95
Order
HUB-485-4 RS232/485 <=> 4x RS485 Hub/Splitter/Repeater (Isolated/Industrial/Externally-powered/300 to 115.2K Baud) $149.95
Order
USB-Serial-3 USB <=> RS232, 2-wire RS485 or 4-wire RS422 Converter (Isolated/Industrial/Externally-powered/300 to 115.2K Baud) $119.95
Order
 
RS232 ISOLATOR (3-WIRE)

RS232 Isolator
$64.95
$49.95
Order Here

  The CVT-232A-3 is an industrial grade (wide temperature range with surge & static protection) port-powered RS-232 isolator. The unit optically isolates three (3) RS-232 lines (TX, RX and GND), which effectively protects your RS-232 devices from ground loops, transient surges and spikes. Optical isolation also eliminates ground loop and noise problems.

The unit is powered from the RS-232 data line (self-powered), and therefore, no external power or RTS, DTR is required.

Product Comparison | Declaration of Conformity

more info | data sheet | FAQs | product selection guide
 
RS232 ISOLATOR (7-WIRE)

RS232 Opto Isolator
$74.95
$59.95
Order Here

  The CVT-232B-3 is an industrial grade (wide temperature range with surge & static protection) port-powered RS-232 isolator. The unit optically isolates seven (7) RS-232 lines (TX, RX, RTS, CTS, DTR, DSR and GND), which effectively protects your RS-232 devices from ground loops, transient surges and spikes. Optical isolation also eliminates ground loop and noise problems.

The unit is powered from the RS-232 data line (self-powered), and therefore, no external power or RTS, DTR is required.

Product Comparison | Declaration of Conformity

more info | data sheet | FAQs | product selection guide
 

OPTO-ISOLATED RS232 TO RS485 CONVERTER

Isolated RS232 to RS485 Converter
$84.95
$74.95
Order Here

The CVT-485-3 is an industrial grade (wide temperature range with surge & static protection) optically isolated bi-directional RS-232 to RS-485 converter, which can be used to convert any standard RS-232C port into a two-wire half-duplex RS-485 port and vice versa.

This product features opto-isolation circuitry, which effectively protect your RS-232 devices from ground loops, transient surges and spikes. The unit is powered from the RS-232 data line (self-powered); it also supports data direction auto-turnaround. Therefore, no external power or flow control is required.

Product Comparison | Declaration of Conformity

 
   
more info | data sheet FAQs | product selection guide
   

OPTO-ISOLATED RS232 TO RS422 CONVERTER

       
 

Isolated RS232 to RS422 Converter
$84.95
$74.95
Order Here

 

The CVT-422-3 is an industrial grade (wide temperature range with surge & static protection) optically isolated bi-directional RS232 to RS422 converter, which can be used to convert any standard RS-232C port into a four-wire full-duplex RS-422 port and vice versa.

This product features opto-isolation circuitry, which effectively protect your RS-232 devices from ground loops, transient surges and spikes. The unit is powered from the RS-232 data line (self-powered); it also supports data direction auto-turnaround. Therefore, no external power or flow control is required.

Product Comparison | Declaration of Conformity

     
   
more info | data sheet FAQs | product selection guide
   

OPTO-ISOLATED RS232 TO RS485 RS422 CONVERTER

Opto Isolated RS232 to RS485 RS422 Converter
$89.95
$79.95
Order Here

The CVT-485_422-3 is an industrial grade (wide temperature range with surge & static protection) optically isolated bi-directional RS232 to RS485 converter / RS232 to RS422 converter, which can be used to convert any standard RS-232C port into a two-wire half-duplex RS-485 port or a four-wire full-duplex RS-422 port and vice versa.

This product features opto-isolation circuitry, which effectively protect your RS-232 devices from ground loops, transient surges and spikes. The unit is powered from the RS-232 data line (self-powered); it also supports data direction auto-turnaround. Therefore, no external power or flow control is required.

Product Comparison | Declaration of Conformity

 
 
 
more info | data sheet FAQs | product selection guide
 
OPTO-ISOLATED RS232 TO RS485 RS422 CONVERTER

Rack mount isolated RS232 RS485 RS422 converter
$149.95
$119.95
Order Here

The CVT-485_422-4 is an industrial grade (wide temperature range with surge & static protection) high-speed (300 to 115,200bps) optically-isolated bi-directional RS-232 to RS-485 converter / RS-232 to RS-422 converter, which can be used to convert any standard RS-232C port into a two-wire half-duplex RS-485 port or a four-wire half-duplex RS-485 / full-duplex RS-422 port and vice versa. This product features opto-isolation circuitry, which effectively protect your RS-232 devices from ground loops, transient surges and spikes; it also supports data direction auto-turnaround. Therefore, no flow control is required.

The unit is powered from an external 9 to 30VDC power supply, so you do not have to worry about the power capability of your RS232 device.

Product Comparison | Declaration of Conformity

 
more info | data sheet FAQs | product selection guide
 
OPTO-ISOLATED RS485 / RS422 CONVERTER / REPEATER

Rack mount isolated RS485 RS422 converter repeater
$149.95
$119.95
Order Here

The RPT-485_422-4 is an industrial grade optically isolated RS-485/RS-422 repeater/converter, which can be used to extend the RS-485 or RS-422 distance to up to 4000 ft (1.2km), it can also can be used to convert a two-wire RS-485 signal into a four-wire RS-422 signal, and vice versa.

This product features opto-isolation circuitry, which effectively protects your RS-485/RS-422 devices from transient surges, ground loop and spikes. The unit supports serial data rates up to 115,200bps and features data format auto-sensing and self-adjusting, and, therefore, no DIP switch or jumpers are required. When working with RS-485 signals, the CommFront’s auto-turnaround feature eliminates the need for flow control.

Product Comparison | Declaration of Conformity

 
more info | data sheet FAQs | product selection guide
 
OPTO-ISOLATED RS485 HUB / SPLITTER / REPEATER

RS485 Hub / RS485 Splitter
$159.95 $149.95
Order Here

The HUB-485-4 is an industrial-grade (wide temperature range with surge & static protection) optically-isolated RS-485 Hub/Splitter/Repeater, which can be used to expand RS-485 networks by splitting one RS-485 network into four, in turn increasing the maximum number of nodes and the distance covered by an RS-485 network.

The product features opto-isolation circuitry, which effectively protects your RS-232/RS-485 devices from transient surges, ground loops and spikes. Opto-isolation also eliminates ground loop and noise problems. The unit supports data rates up to 115,200 bps and features data format auto-sensing and self-adjusting; therefore, no DIP switch or jumpers are required.

Product Comparison | Declaration of Conformity
 

more info | data sheet FAQs | product selection guide
     
OPTO-ISOLATED USB TO RS232/485/422 CONVERTER

Isolated USB to RS232 RS485 RS422 converter
(Windows 7 supported!)
$129.95
$119.95

Order Here

 

The USB-Serial-3 is an industrial-grade (wide temperature range with surge & static protection) optically-isolated USB to RS-232/485/422 converter, which can be used to convert any standard USB port into a three-wire RS-232 port, a two-wire RS485 port, or a four-wire RS422/RS485 port and vice versa.

This product features opto-isolation circuitry, which effectively protects your USB devices from transient surges, ground loops and spikes.

The unit uses the latest chipset from Silicon Labs and is fully compatible with Windows 7/Vista/XP/Server2003/2000 (32-bit), Windows 7/Vista (64-bit), Win CE (5.0, 6.0), Mac OSX, and Linux (2.6x, 2.4.36).

Product Comparison | Declaration of Conformity
 

more info | data sheet FAQs | product selection guide