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MetaDefender Fend Optical Diode™

Data Diode Solutions for Protecting Critical Assets

Fend’s one-way communication data diodes guarantee protection for your critical infrastructure. These industrial-grade and ruggedized diodes prevent cyberattacks and ransomware and ensure high security networks remain secure.

Fend LogoFend's Data Diodes are Now Part of the
MetaDefender Platform

Purpose-Built for Critical Infrastructure

Explore Fend's range of models engineered for industrial resilience, low power consumption, and seamless deployment.

MetaDefender

Fend XE, SE, CE

  • Full optical isolation
  • All-in-one design
  • On-diode protocol conversion (e.g. Modbus to JSON)
  • Native support for FTP, TCP, UDP, and more
  • Compact, rugged, fanless design for industrial applications
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Optical Diode XE
Configurations
Configurations Throughput 5 or 15 Mbps
Electrical
Electrical Independent Power Supplies 2X 100-240VAC 1.0A in, 12VDC 1.5A out
Voltage 12-48VDC
Power Consumption 4W
Hardware
(XE 5, XE 15)
Hardware
(XE 5, XE 15)
Dimensions 5.1 x 5.8 x 1.6" (130 x 148 x 41 mm)
Weight 1 lb (0.5kg)
Operating Temp -22 to 158°F (-30 to 70°C)
MTBF >50,000 hours
Mounting Optional DIN-rail or wall-mount
Other Specifications
Other Specifications Connectivity (Input) Ethernet, Serial RS-485
Connectivity (Output) Ethernet
Tested Latency1 Less than 1 ms TCP/UDP
Protocol & Certification
Protocol & Certification Industrial Modbus IP, BACnet, LON-IP (Conversion to JSON/MQTT on Output)
IT UDP, TCP
IT Monitoring Send log files or SYSLOG over UDP
File System FTP, FTPS, SFTP
Environmental Compliance CE, Intertek, RoHS
Certification Tested by the US DoD ESTCP, Army, Navy
1. Actual latency results may vary according to setup used, traffic characteristics, and network topology.
Optical Diode SE
Configurations
Configurations Throughput 5 or 15 Mbps
Electrical
Electrical Independent Power Supplies 2X 100-240VAC 1.0A in, 12VDC 1.5A out
Voltage 12-48VDC
Power Consumption 4W
Hardware
(SE 5, SE 15)
Hardware
(SE 5, SE 15)
Dimensions 5.1 x 5.8 x 1.6" (130 x 148 x 41 mm)
Weight 1 lb (0.5kg)
Operating Temp -22 to 158°F (-30 to 70°C)
MTBF >50,000 hours
Mounting Optional DIN-rail or wall-mount
Other Specifications
Other Specifications Connectivity (Input) Ethernet, Serial RS-485
Connectivity (Output) Ethernet, Serial RS-485
Tested Latency1 Less than 1 ms TCP/UDP
Protocol & Certification
Protocol & Certification Industrial Modbus IP, Modbus RTU, BACnet, LON-IP (Conversion to JSON/MQTT on Output)
IT UDP, TCP
IT Monitoring Send log files or SYSLOG over UDP
File System FTP, FTPS, SFTP
Environmental Compliance CE, Intertek, RoHS
Certification Tested by the US DoD ESTCP, Army, Navy
1. Actual latency results may vary according to setup used, traffic characteristics, and network topology.
Optical Diode CE
Configurations
Configurations Throughput 5 or 15 Mbps
Electrical
Electrical Independent Power Supplies 2X 100-240VAC 1.0A in, 12VDC 1.5A out
Voltage 12-48VDC
Power Consumption 8W
Hardware
(CE 5, CE 15)
Hardware
(CE 5, CE 15)
Dimensions 5.1 x 5.8 x 1.6" (130 x 148 x 41 mm)
Weight 1 lb (0.5kg)
Operating Temp -22 to 158°F (-30 to 70°C)
MTBF >50,000 hours
Mounting Optional DIN-rail or wall-mount
Other Specifications
Other Specifications Connectivity (Input) Ethernet, Serial RS-485
Connectivity (Output) Ethernet, cellular
Tested Latency1 Less than 1 ms TCP/UDP
Protocol & Certification
Protocol & Certification Industrial Modbus IP, BACnet, LON-IP (Conversion to JSON/MQTT on Output)
IT UDP, TCP
IT Monitoring Send log files or SYSLOG over UDP
File System FTP, FTPS, SFTP
Environmental Compliance CE, Intertek, RoHS
Certification Tested by the US DoD ESTCP, Army, Navy
1. Actual latency results may vary according to setup used, traffic characteristics, and network topology.

Comprehensive Protocol Support

MetaDefender Fend Optical Diodes provide access to real-time OT data and enables secure IT/OT data and file transfers without the risk of introducing security threats to critical OT production networks and assets.

Learn More About Fend Optical Diodes

Explore documentation, articles, and blogs for more information.

Case Study

Guarding the Grid to Keep Power Going Using MetaDefender Fend’s Data Diodes

Power plants need to monitor their equipment health to ensure they are bringing the most reliable, efficient and affordable electricity

Case Study

Protecting Water Treatment Plants from Cyberattack Using MetaDefender Fend’s Data Diodes

Water utilities need access to operational data without exposing themselves to cyberattack. A large water utility, serving close to two million

Case Study

Safely Opening the Door to the Cloud for Critical Manufacturing Facilities

A large, Fortune 100 manufacturer needed to keep energy and maintenance costs under control. Equipment at their factories use millions of dollars

Fend

Learn How MetaDefender Fend Optical Diodes Help Protect Your Infrastructure

US Hotline: +1-571-970-1382

Canada Hotline: +1-888-470-3363