Convert - A Mastery of Legacy and Leading-Edge Data Formats

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The world today runs on data! From legacy serial communications to modern TCP/IP communications, data networks are widely used in automation, control, and communication systems that perform many important tasks ranging from production, communications, security, surveillance, to research. Modern data networks often face the challenge of merging legacy data formats and protocols with more technologically advanced formats. In addition, interference can seep into the communication lines from many sources, such as ground loops, spikes, transient surges, and remote lightning. All these sources threaten your valuable and mission-critical equipment and your production time, which is probably the most important factor to consider when choosing data communication products and suppliers.

For the past decade, CommFront has built a reputation as a major supplier of rugged and reliable, yet simple, data communication products and solutions. Our versatile products make converting between many data formats – including the legacy RS-232, RS-485, RS-422, and TTL; and the leading-edge USB, Ethernet, and TCP/IP - smooth, simple, and reliable. Our line of rugged, industrial-grade, SGS / TUV-certified converters undergo rigorous testing so that you can enjoy reliable interfacing. These rugged converters withstand the harshest operating environments and come bundled with optional optical isolators and built-in selectable end-of-line terminators, allowing for interfacing between commercial and industrial equipment (computers, PLC, RTU, SCADA, and HMI, etc.) without interference from noise, reflections, ground loops, and transient surges. Our range of converters - standard or optically isolated, port or externally powered, copper-wire or optical-fiber - ranks among the widest in the market. If you have a data format, we have the perfect device for it.

Serial Conversion

serial conversion

Rated to perform at temperatures between -40°F and 185°F (-40°C and 85°C), our rugged industrial-grade RS-232 / RS-485 / RS-422 / TTL converters are almost indestructible. These converters support multi-drop RS-485 / RS-422 networks and come with 600W surge protection, 15KV ESD protection, selectable end-of-line terminators, and optional 2500V opto-isolation circuitry, which ensure crisp data signals without interference for all types of installations.

  RS-232 to TTL RS-485 to TTL RS-422 to TTL
Standard RS232 to TTL Converter (Industrial / Port-Powered) RS485 to TTL Converter (Industrial) RS422 / RS485 to TTL Converter / TTL Repeater (Industrial)

Model: TTL-232-1

Description: RS232 to TTL Converter (Industrial / Port-Powered)

Key Features:
- Converts RS-232 to 5V TTL / COMS signals
-Port powered
- Rugged industrial grade
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Operates reliably from 300 to 115.2K baud

Model: TTL-485-2

Description: RS485 to TTL Converter (Industrial)

Key Features:
- Converts 2-Wire RS-485 to TTL signal
- Extends TTL’s distance to up to 4000 feet
- Rugged industrial grade
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Operates reliably from 300 to 115.2K baud

Model: TTL-485_422-2

Description: RS422 / RS485 to TTL Converter / TTL Repeater (Industrial)

Key Features:
- Converts RS-485 / RS-422 to TTL signal
- Extends full-duplex TTL’s distance to up to 4000 feet
- External 5VDC powered (power adapter included)
- Rugged industrial grade
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Operates reliably from 300 to 115.2K baud

RS-232 to RS-485 RS-232 to RS-422 RS-485 to RS-422
Standard RS232 to RS485 Converter (Industrial / Port-Powered) RS232 to RS422 Converter (Industrial / Port-Powered) RS485 / RS422 Repeater / Converter (Industrial)

Model: CVT-485-1

Description: RS232 to RS485 Converter (Industrial / Port-Powered)

Key Features:
- Converts RS-232 to 2-wire RS-485
- Port-powered
- Rugged industrial grade
- Supports up to 128 units of RS-485 devices
- Data direction auto-turnaround
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Selectable 120-Ohm end-of-line terminator
- Operates reliably from 300 to 115.2K baud

Model: CVT-422-1

Description: RS232 to RS422 Converter (Industrial / Port-Powered)

Key Features:
- Converts RS-232 to 4-wire RS-422 / RS-485
- Port-powered
- Rugged industrial grade
- Supports up to 128 units of RS-422 devices
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Selectable 120-Ohm end-of-line terminator
- Operates reliably from 300 to 115.2K baud

Model: RPT-485_422-2

Description: RS485 / RS422 Repeater / Converter (Industrial)

Key Features:
- Converts 2-wire RS-485 to 4-wire RS-422 / RS-485
- Extends RS-485 / RS-422’s distance to up to 4000ft
- External 5VDC powered (power adapter included)
- Rugged industrial grade
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Selectable 120-Ohm end-of-line terminator
- Operates reliably from 300 to 115.2K baud

Optically-Isolated High-Speed Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Externally-Powered) RS485 / RS422 Isolator / Repeater / Converter (Industrial)

Model: CVT-485_422-4

Description: High-Speed Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Externally-Powered)

Key Features:
- Converts RS-232 to RS-485 / RS-422
- Externally-powered, no port power required
- 2500V opto-isolation
- Rugged industrial grade
- Supports up to 128 units of RS-485 / RS-422 devices
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Selectable 120-Ohm end-of-line terminator
- Direct DIN-rail (rack) or wall / panel mounting
- Supports wide range of DC inputs (9 to 30VDC)
- Operates reliably from 300 to 115.2K baud

Model: RPT-485_422-4

Description: RS485 / RS422 Isolator / Repeater / Converter (Industrial)

Key Features:
- Isolates one group of RS-485 / RS-422 devices from another
- Extends RS-485 / RS-422's distance to up to 4000ft
- Converts 2-wire RS-485 to 4-wire RS-422 / RS-485
- Rugged industrial grade
- 2500V opto-isolation
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Direct DIN-rail (rack) or wall / panel mounting
- Supports wide range of DC inputs (9 to 30VDC)
- Operates reliably from 300 to 115.2K baud

USB Conversion

USB Conversion

With our high-quality, high-performance USB converters that use only top-quality chipsets such as those from FTDI and Silicon Labs, USB signals are converted seamlessly into RS-232, RS-485, RS-422, TTL and Ethernet signals. You can confidently choose from our menu of industrial and commercial-grade devices, while knowing that you will get nothing but the best from CommFront.

  USB to TTL USB to Ethernet
Standard USB to TTL Converter USB 3.0 to Gigabit Ethernet Converter

Model: USB-232-1+TTL-232-1

Description: USB to TTL Converter

Key Features:
- Converts USB to TTL signals
- USB port-powered
- FTDI chipset
- Supports all major Windows, Mac and Linux platforms
- Plug and play (hot-pluggable)
- Operates reliably from 300 to 115.2K baud

Model: USB30-ETH-1

Description: USB 3.0 to Gigabit Ethernet Converter

Key Features:
- Converts USB 3.0 to Gigabit Ethernet
- Backward compatible with USB 1.1 and USB 2.0
- Supports USB Super / High / Full / Low speed modes with bus power
- Complies with the Energy-Efficient Ethernet standard (IEEE 802.3az)
- Complies with IEEE 802.3, 802.3u, and 802.3ab standards
- Supports all major Windows, Mac and Linux platforms
- Plug and play (hot-pluggable)
- Operates reliably from 0 to 1G baud

  USB to RS-232 USB to RS-485 USB to RS-422

Standard

USB to RS232 Adapter / Converter

USB to 2-Wire RS485 Adapter / Converter

USB to 4-Wire RS422 / RS485 Adapter / Converter

Model: USB-232-1

Description: USB to RS232 Adapter / Converter

Key Features:
- Converts USB to RS-232
- USB port-powered
- FTDI chipset
- Supports all major Windows, Mac and Linux platforms
- Plug and play (hot-pluggable)
- Operates reliably from 300 to 115.2K baud

Model: USB-485-1

Description: USB to 2-Wire RS485 Adapter / Converter

Key Features:
- Converts USB to 2-wire RS-485
- USB port-powered
- FTDI chipset
- Supports one loop of up to 256 units of RS-485 devices
- Auto-turnaround for RS-485 communications
- Built-in selectable 120-Ohm terminator
- Supports all major Windows, Mac and Linux platforms
- Plug and play (hot-pluggable)
- Operates reliably from 300 to 115.2K baud

Model: USB-422-1

Description: USB to 4-Wire RS422 / RS485 Adapter / Converter

Key Features:
- Converts USB to 4-wire RS-422 / RS-485
- USB port-powered
- FTDI chipset
- Supports one loop of up to 256 units of RS-422 devices
- Auto-turnaround for RS-485 communications
- Built-in selectable 120-Ohm terminator
- Supports all major Windows, Mac and Linux platforms
- Plug and play (hot-pluggable)
- Operates reliably from 300 to 115.2K baud

Optically-Isolated

Opto-Isolated USB to RS232 / RS485 / RS422 Converter (Industrial / Port-Powered)

Model: USB-Serial-3

Description: Opto-Isolated USB to RS232 / RS485 / RS422 Converter (Industrial / Port-Powered)

Key Features:
- Converts USB to RS-232 / RS-485 / RS-422
- 2500V opto-isolation
- USB port-powered, no external power supply required
- Rugged industrial grade
- Silicon Labs chipset
- Built-in selectable 120-Ohm terminators for RS-485 / RS-422
- Supports all major Windows, Mac and Linux platforms
- Plug and play (hot-pluggable)
- Operating Temperature: -40°F to 185°F
- Direct DIN-rail (rack) or wall / panel mounting
- Operates reliably from 300 to 115.2K baud

Fiber Optic Conversion

fiber optic conversionfiber optic conversion

Our fiber optic converters run on a light-speed fiber backbone that is inherently resistant to radio and electrical interference, such as EMI / RFI, lightning, transient surges and ground loops. These converters extend serial (RS-232 / RS-485 / RS-422 / TTL) and Ethernet signals with many options - single-mode and multi-mode; ST, SC, and FC connectors; point-to-point and advanced daisy-chain/self-healing redundant-ring fiber networks – giving your data networks unparalleled flexibility, reliability, and transmission range.

Serial to Fiber Optic (point-to-point) Serial to Fiber Optic (multi-drop) Ethernet to Fiber Optic
RS-232 / RS-485 / RS-422 to Fiber Optic Converter (Industrial) RS-232 / RS-485 / RS-422 to Multi-Drop Fiber Optic Converter (Industrial) 10 / 100M Ethernet to Fiber Optic Media Converter (Industrial)

Model: FBR-Serial-2

Description: RS-232 / RS-485 / RS-422 to Fiber Optic Converter (Industrial)

Key Features:
- Rugged industrial grade
- Transmits serial data (RS-232, RS-485, or RS-422) over long distances through point-to-point fiber links
- Single-mode: 25 miles (40 km); Multi-mode: 3 miles (5 km)
- Standards can be mixed and matched (same data type; one side RS-232 and the other side RS-485 or RS-422; one side RS-485 and the other side RS-422; etc.)
- Supports up to 128 nodes of RS-485 / RS-422 devices
- ST, SC, or FC connectors
- Supports a wide range of fiber optic cables
- No software drivers, DIP switch or jumper settings required
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Supports wide range of DC inputs (9 to 30VDC)
- Direct DIN-rail (rack) or wall/panel mounting
- Operates reliably from 300 to 115.2K baud

Model: FBR(M)-Serial-2

Description: RS-232 / RS-485 / RS-422 to Multi-Drop Fiber Optic Converter (Industrial)

Key Features:
- Rugged industrial-grade
- Extends serial data (RS-232, RS-485, or RS-422) uninterruptedly over extremely large areas through multi-drop fiber optic links
- Daisy-chain or self-healing redundant-ring fiber network configurations
- Single-mode: 25 miles (40km) per fiber node; Multi-mode: 3 miles (5km) per fiber node
- Standards can be mixed and matched
- Supports a wide range of fiber optic cables
- Supports up to 255 fiber nodes
- Supports up to 128 nodes of RS-485 / RS-422 devices per fiber node
- ST, SC, or FC connectors
- Full redundant power supply and fiber network
- Power loss alarm relay output
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Supports wide range of DC inputs (9 to 30VDC)
- Direct DIN-rail (rack) or wall/panel mounting
- Operates reliably from 300 to 115.2K baud

Model: FBR-Ethernet-2

Description: 10 / 100M Ethernet to Fiber Optic Media Converter (Industrial)

Key Features:
- Rugged industrial-grade
- Transmits 10 / 100M Ethernet data over long distances through point-to-point fiber links
- Single-mode: 12.4 miles (20 km); Multi-mode: 3 miles (5 km)
- Auto-negotiation of speed and duplex mode
- Auto-MDIX
- Store-and-forward mechanism
- ST, SC, or FC connectors
- Supports a wide range of fiber optic cables
- No software drivers, DIP switch or jumper settings required
- Operating Temperature: -40°F to 185°F
- Built-in 600W surge protection
- Built-in 15KV ESD protection
- Supports wide range of DC inputs (9 to 30VDC)
- Direct DIN-rail (rack) or wall/panel mounting
- Operates reliably from 0 to 100M baud

The Products – Serial Converters

 
RS232 to RS485 Converter (Industrial / Port-Powered) Slim RS232 to RS485 Converter (Industrial / Port-Powered) Opto-Isolated RS232 to RS485 Converter (Industrial / Port-Powered) RS232 to RS422 Converter (Industrial / Port-Powered) Opto-Isolated RS232 to RS422 Converter (Industrial / Port-Powered) RS232 to RS485 / RS422 Converter (Industrial / Port-Powered)
CVT-485-1 CVT-485A-1 CVT-485-3 CVT-422-1 CVT-422-3 CVT-485_422-1
Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Port-Powered) 25-pin RS232 to RS485 / RS422 Converter (Industrial / Port-Powered) 25-pin Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Port-Powered) High-Speed Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Externally-Powered) RS485 / RS422 Repeater / Converter (Industrial) RS485 / RS422 Isolator / Repeater / Converter (Industrial)
CVT-485_422-3 CVT-485_422-1(25) CVT-485_422-3(25) CVT-485_422-4 RPT-485_422-2 RPT-485_422-4
Opto-Isolated RS485 Hub / Splitter (Industrial) RS232 to TTL Converter (Industrial / Port-Powered) RS232 to TTL 3.3V Converter (Industrial / Port-Powered) RS485 to TTL Converter (Industrial) RS422 / RS485 to TTL Converter / TTL Repeater (Industrial) Serial to TCP Bridge (Freeware)
HUB-485-4 TTL-232-1 TTL33-232-1 TTL-485-2 TTL-485_422-2 Serial-TCP

Key Features

  • Rugged industrial grade.
  • Built for harsh environments and interfacing with mission-critical equipment.
  • Convert between RS-232, RS-485, RS-422, TTL and TCP/IP data formats.
  • Options of port- or externally-powered, standard or optically-isolated.
  • Built-in selectable end-of-line terminators to reduce noise and reflections.
Model Description
CVT-485-1 RS232 to RS485 Converter (Industrial / Port-Powered)
CVT-485A-1 Slim RS232 to RS485 Converter (Industrial / Port-Powered)
CVT-485-3 Opto-Isolated RS232 to RS485 Converter (Industrial / Port-Powered)
CVT-422-1 RS232 to RS422 Converter (Industrial / Port-Powered)
CVT-422-3 Opto-Isolated RS232 to RS422 Converter (Industrial / Port-Powered)
CVT-485_422-1 RS232 to RS485 / RS422 Converter (Industrial / Port-Powered)
CVT-485_422-3 Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Port-Powered)
CVT-485_422-1(25) 25-pin RS232 to RS485 / RS422 Converter (Industrial / Port-Powered)
CVT-485_422-3(25) 25-pin Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Port-Powered)
CVT-485_422-4 High-Speed Opto-Isolated RS232 to RS485 / RS422 Converter (Industrial / Externally-Powered)
RPT-485_422-2 RS485 / RS422 Repeater / Converter (Industrial)
RPT-485_422-4 RS485 / RS422 Isolator / Repeater / Converter (Industrial)
HUB-485-4 Opto-Isolated RS485 Hub / Splitter (Industrial)
TTL-232-1 RS232 to TTL Converter (Industrial / Port-Powered)
TTL33-232-1 RS232 to TTL 3.3V Converter (Industrial / Port-Powered)
TTL-485-2 RS485 to TTL Converter (Industrial)
TTL-485_422-2 RS422 / RS485 to TTL Converter / TTL Repeater (Industrial)
Serial-TCP Serial to TCP Bridge (Freeware)

The Products – USB Converters

Opto-Isolated USB to RS232 / RS485 / RS422 Converter (Industrial / Port-Powered) USB to RS232 Adapter / Converter USB to Dual RS232 Adapter / Converter USB to 2-Wire RS485 Adapter / Converter USB to 4-Wire RS422 / RS485 Adapter / Converter
USB-Serial-3 USB-232-1 USB-232A-1 USB-485-1 USB-422-1
USB to RS232 Hub (4-Port / Industrial) USB to TTL Converter USB to TTL 3.3V Adapter (Port-Powered) USB 3.0 to Gigabit Ethernet Converter
USB-232H-3 USB-232-1+TTL-232-1 USB-232-1+TTL33-232-1 USB30-ETH-1

Key Features

  • Industrial or commercial grade.
  • Convert USB signals into RS-232, RS-485, RS-422, TTL and Ethernet signals, and vice versa.
  • High-quality chipsets from FTDI and/or Silicon Labs.
  • Supports all major Windows, Linux and Mac platforms.
  • Plug and play (hot-pluggable).
  • Options of port or externally powered, standard or optically isolated.
Model Description
USB-Serial-3 Opto-Isolated USB to RS232 / RS485 / RS422 Converter (Industrial / Port-Powered)
USB-232-1 USB to RS232 Adapter / Converter
USB-232A-1 USB to Dual RS232 Adapter / Converter
USB-485-1 USB to 2-Wire RS485 Adapter / Converter
USB-422-1 USB to 4-Wire RS422 / RS485 Adapter / Converter
USB-232H-3 USB to RS232 Hub (4-Port / Industrial)
USB-232-1+TTL-232-1 USB to TTL Converter
USB-232-1+TTL33-232-1 USB to TTL 3.3V Converter
USB30-ETH-1 USB 3.0 to Gigabit Ethernet Converter

The Products – Fiber Optic Converters

RS-232 / RS-485 / RS-422 to Fiber Optic Converter (Industrial) RS-232 / RS-485 / RS-422 to Multi-Drop Fiber Optic Converter (Industrial) 10 / 100M Ethernet to Fiber Optic Media Converter (Industrial)
FBR-Serial-2 FBR(M)-Serial-2 FBR-Ethernet-2

Key Features

  • Rugged Industrial Grade.
  • Built for harsh environments and interfacing with mission-critical equipment.
  • Extend Serial (RS-232 / RS-485 / RS-422 / TTL) and Ethernet signals through optical fiber.
  • Support a wide range of fiber optic cables.
  • Single-mode (25 miles / 40 km) or multi-mode (3 miles / 5 km)
  • Options of ST,SC, and FC connectors.
  • Options of point-to-point and advanced daisy-chain / self-healing redundant-ring fiber networks.
  • Direct DIN-rail (rack) and/or wall / panel mounting.
Model Description
FBR-Serial-2 RS-232 / RS-485 / RS-422 to Fiber Optic Converter (Industrial)
FBR(M)-Serial-2 RS-232 / RS-485 / RS-422 to Multi-Drop Fiber Optic Converter (Industrial)
FBR-Ethernet-2 10 / 100M Ethernet to Fiber Optic Media Converter (Industrial)