INDUSTRIAL FIBER CONVERTER

Extend & Secure Your Critical Industrial Networks with Fiber Optic Connectivity

Need to overcome distance limits and eliminate EMI interference in your automation or control systems? Valtoris provides robust industrial fiber converters. Our fiber optic media converters transform RS232/485/422 serial or Ethernet signals into stable light pulses for transmission over single-mode fiber, enabling secure, lossless data links up to 20km.

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Valtoris Industrial Fiber Converter Solution

Long-Distance & Lossless Transmission

Enable up to 20km of data transmission with zero signal loss or EMI interference, far surpassing the 100m limit of traditional copper cabling for both serial to fiber and Ethernet to fiber applications.

Complete Electrical Noise Immunity

Utilizes single-mode fiber optic technology that is inherently immune to lightning, ground loops, RFI, and EMI, ensuring absolute data integrity in substations, factories, and other high-noise environments.

Industrial-Grade Reliability & Support

Built for harsh settings with an operating range of -40°C to 85°C and backed by comprehensive technical support, ensuring continuous operation and peace of mind for your critical infrastructure.

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Simple Deployment & Configuration

Offers plug-and-play operation for transparent serial to fiber media converters and intuitive web-based management for advanced fiber to Ethernet converters, enabling quick and hassle-free setup.

Versatile Interface & Protocol Support

Connect a wide range of equipment with models supporting RS232, RS485, RS422 to fiber conversion, as well as 10/100M Ethernet to fiber conversion with full TCP/IP protocol compatibility.

Cost-Effective Network Foundation

Provides a single-mode, single-fiber design that reduces cabling costs and offers a superior lifetime value by eliminating recurring issues, downtime, and maintenance associated with copper networks.

What Are The Advantages Of Using An Industrial Fiber Media Converter?

Exploring Fiber Optic Solutions vs. Traditional Copper Cabling

Technical Specifications Of The Valtoris Industrial Fiber Media Converter

ParameterVT-FB820 (Serial to Fiber)VT-FB810 (Serial+TCP/IP to Fiber)VT-FB800 (Ethernet to Fiber)
Product TypeSerial to Fiber Optic ConverterOptical Fiber Serial ServerFiber to Ethernet Converter
Electrical InterfaceRS232 / RS485 / RS422RS232 / RS485 / RS422 + Virtual COM10/100Base-TX (RJ45)
Optical InterfaceSingle-Mode, Single-Fiber SCSingle-Mode, Single-Fiber SCSingle-Mode, Single-Fiber SC
Max. DistanceUp to 20 kmUp to 20 kmUp to 20 km
Data Rate / Baud Rate1200 ~ 115200 bps (Transparent)1200 ~ 115200 bps10/100M Auto-Negotiation
Protocol SupportTransparent SerialTCP Server/Client, UDP, HTTPIEEE 802.3 10/100Base
Power Supply9~24V DC (Wide Input)9~24V DC (Wide Input)9~24V DC (Wide Input)
Operating Temperature-40°C to +85°C-40°C to +85°C-40°C to +85°C
InstallationDIN-Rail / Wall Mount (Metal Case)DIN-Rail / Wall Mount (Metal Case)DIN-Rail / Wall Mount (Metal Case)
Core ApplicationLong-distance RS485 to fiber linksNetworked serial to fiber for SCADA/CloudExtending LANs, fiber to RJ45 connectivity
Keyword Associationrs485 to fiber optic converter, fiber converter single mode,serial to fiber converter, Fiber Optic Modem, Fiber optic serial serverfiber to ethernet converter, single mode fiber to ethernet converter​

Typical Applications Of The Industrial Fiber Media Converter

What Our Client Says

Learn from our partners how our fiber optic solutions have solved their long-distance and high-noise connectivity challenges.

  • “Running control cables between our old and new factory buildings was a major project. We used Valtoris Fiber Media Converters instead. The fiber link is rock-solid, completely ignored all the plant EMI, and saved us weeks of trenching and conduit work. It’s been running flawlessly for over two years.”
    David K. 2026 02 09 17 53 11
    David K.
    Project Engineer, Automotive Parts Manufacturer
  • “Monitoring equipment in our remote substation required reliable data through an area with terrible electrical noise. We deployed a pair of Valtoris RS485 Fiber Optic Modem. The installation was simple, and the fiber link has provided perfect, noise-free data transmission where copper consistently failed.”
    Maya R. 2026 02 09 17 53 44
    Maya R.
    Systems Integrator, Power Utility Contractor

Why Choose Valtoris Industrial Fiber Media Converter

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Engineered for Harsh & Demanding Sites

Deploy with Confidence & Direct Support

Tailored to Your Specific Requirements

Value in Reliability & Lower Lifetime Cost

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Expert Guides To Industrial Fiber Optic Connectivity

This depends on your existing equipment and network goals. Choose a Serial to Fiber Converter (like the VT-FB820) if you need to extend RS232/485/422 links over long distances. Choose a Optical Fiber Serial Server (like the VT-FB810) if you need to integrate those serial devices into a network for SCADA or cloud access. For extending standard Ethernet networks between buildings or across noisy plants, an Ethernet to Fiber Converter (like the VT-FB800) is the right choice. Key factors are the interface type (serial/Ethernet), required network protocol, and environmental conditions.

The primary advantages are distanceimmunity, and long-term reliability. Our fiber optic media converters reliably transmit data up to 20 kilometers, while copper is limited to about 100 meters. Fiber is completely immune to EMI, RFI, and lightning interference, ensuring data integrity in substations or on noisy factory floors. It is also non-conductive and more secure. While the initial investment may be higher, fiber offers a lower total cost of ownership by eliminating recurring signal issues and maintenance associated with copper.

We provide support focused on long-term reliability. This includes pre-sales consultation for link planning, clear configuration guides for setup, and access to firmware updates. Our products come with a standard hardware warranty, and our technical team is available to assist with troubleshooting. For unique integration needs, we offer OEM/ODM services to tailor solutions, such as custom firmware or connector types. Our goal is to ensure your fiber infrastructure operates reliably for years with minimal overhead.

Get a Quote for Industrial Fiber Media Converter Solutions

Frequently Ask Questions

A: While industrial-grade fiber media converters are highly reliable, typical setup or environmental issues can occur. Here are common problems and solutions:

  • No Link/Connection Between Devices: This is often due to using mismatched A/B end units or incorrect fiber type. Solution: Ensure you use a paired set (e.g., VT-FB800-A with VT-FB800-B) and verify you are using single-mode fiber patch cables. Check that fiber connectors are clean.
  • Link LED Lights Not Functioning: Usually indicates no optical signal. Solution: Verify the fiber is correctly connected (TX port on one end to RX port on the other). Inspect cables for bends or damage. Ensure the correct model pair is used.
  • Poor Network Performance or Data Errors: Can be caused by damaged fiber, dirty connectors, or exceeding the maximum 20km distance. Solution: Clean all optical connectors with appropriate tools. Use an optical power meter to check signal loss and ensure the total link loss is within the converter’s budget.
  • Compatibility Issues: May arise when connecting to non-standard equipment or specific network switches. Solution: Confirm the optical wavelength (1310nm/1550nm) and interface (SC) match. For complex integrations, utilize our OEM/ODM services for a tailored industrial media converter.
  • Power Supply Failures: Using an out-of-spec or unstable power source in harsh environments. Solution: Ensure the power supply is within the 9-24V DC range and rated for the operating temperature. Our converters have wide input ranges for this reason.
  • Overheating: Rare in well-designed industrial models, but can happen in confined spaces with poor ventilation. Solution: Ensure adequate airflow around the device. Our metal-case design aids heat dissipation for reliable operation up to 85°C.
  • Firmware or Configuration Issues: An incorrect setting can prevent communication. Solution: Reset the device to factory defaults via the hardware button or web interface. For managed models, we provide clear guides and firmware updates. Our technical support can assist with configuration recovery.

For any persistent issue, our technical support team can help diagnose the problem remotely or guide you through troubleshooting steps to minimize downtime.

A: In industrial networking, this is a crucial distinction:

A Fiber Optic (often called a fiber converter or protocol converter in industrial contexts, like our VT-FB810) typically operates at Layer 2 or above. It not only converts the physical signal but also may translate between different network protocols. For instance, it can convert serial data (like Modbus RTU over RS485) into TCP/IP packets suitable for an Ethernet network. It manages the data connection and often requires configuration (like IP addresses).

A Fiber Media Converter (like our VT-FB800 or VT-FB820) is a Layer 1 (Physical Layer) device. Its sole job is to convert the physical signal from one medium to another—for example, converting electrical signals from an Ethernet copper cable (RJ45) or serial port (RS485) into light pulses for fiber optic cable, and vice versa. It is transparent to the data and protocol being sent; it doesn’t modify or interpret the data. Its primary purpose is to extend network distance and provide electrical isolation.

A: Yes, but the term “modem” means something different for fiber optics.

In a typical home or business fiber internet setup, the device you receive from your Internet Service Provider (ISP) is technically called an Optical Network Terminal (ONT), not a traditional “modem.” Its job is to convert the optical signal from the fiber line into electrical signals that your router and devices can use (Ethernet, Wi-Fi).

In an industrial or B2B context (like using our products), the situation is different:
When you have a dedicated fiber optic data link (e.g., between two factory buildings), you do not need an ISP-style “modem.” Instead, you need a pair of fiber media converters (like our VT-FB800) to bridge between your local network equipment (with copper Ethernet ports) and the fiber line. If you need to connect serial equipment (like a PLC with an RS485 port) over that fiber link to a network, you would use a device like our VT-FB810, which acts as a protocol converter or gateway — fulfilling a role similar to a “modem” by translating between different data protocols.

A: While fiber converters excel at their core tasks, there are a few practical nuances to be aware of:

1.Initial Cost Comparison: The per-link cost for fiber (converter pair + cable) is higher than a simple Ethernet cable for short distances. However, this is only a consideration for very short runs where copper would also work reliably.

2.Connector Sensitivity: Fiber optic connectors (like SC ports) must be kept clean and free of dust. A dirty connector can weaken the signal, requiring occasional inspection and cleaning—a step not needed with simple copper plugs.

3.Pairing Requirement: Most point-to-point fiber links require A and B end units to be used as a matched pair (e.g., VT-FB800-A with VT-FB800-B). This means slightly more careful inventory management compared to using identical copper cables.

4.Basic Diagnostics Need a Special Tool: While the link status LEDs are helpful, accurately measuring optical power to diagnose a marginal signal requires a simple optical power meter—a tool not typically found in a standard electrician’s kit, unlike a cable tester for copper.