MetaDefender Optical Diode (Fend)

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's Data Diodes are Now Part of the
MetaDefender Platform

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Purpose-Built for Critical Infrastructure

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

To learn about our commitment, see Why We Entered the Data Diode & Gateway Business.

MetaDefender

Fend XE, SE, CE

Learn how Data Diodes protect your network.

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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XE

SE

CE

Optical Diode XE

Configurations
Configurations	Throughput	5, 15 or 50 Mbps – Explore Fend XE50
Electrical
Electrical	Independent Power Supplies	2X 100-240VAC 1.0A in, 12VDC 1.5A out
	Voltage	12-48VDC
	Power Consumption	4W to 8W
Hardware (XE5, XE15, XE50)
Hardware (XE5, XE15, XE50)	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 TCP (full), Modbus RTU (in), BACnet IP (in), BACnet MSTP (in), LON-IP (in)
	IT	UCP, TCP, TLS, HTTP/S²
	IT Monitoring	Send log files or SYSLOG over UDP or TCP
	File Transfer	FTP, FTPS, SFTP
	OPSWAT Product Compatibility	OPSWAT Screen View, OPSWAT Managed File Transfer (MFT)², OPSWAT Kiosk²
	Environmental Compliance	CE, Intertek, RoHS
	Certification	Tested by the US DoD ESTCP, Army, Navy

Download Datasheet

1. Actual latency results may vary according to setup used, traffic characteristics, and network topology.
2. Available only on XE50.

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

Download Datasheet

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

Download Datasheet

1. Actual latency results may vary according to setup used, traffic characteristics, and network topology.

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Watch the Diodes in Action

Discover the OPSWAT MetaDefender NetWall family through a series of technical videos. These clips delve into the products' mechanics, highlight their durability under extreme testing, and feature interviews with industry experts, providing valuable insights.

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Playlist

6 videos

OPSWAT MetaDefender Optical Diode
High Availability with MetaDefender NetWall Optical Diodes
What is a Data Diode?
Why are Data Diodes Used?
How are Data Diodes Used in the Power Generation Industry?
How the Oil & Gas Industry Uses Data Diodes for #Cybersecurity

Playlist

2 videos

How are Data Diodes Used in the Power Generation Industry?
How the Oil & Gas Industry Uses Data Diodes for #Cybersecurity

Playlist

1 video

OPSWAT FEND Data Diode Stress Test

Talk to One of Our Experts and We’ll Help You Build the MetaDefender Fend Optical Diodes for Your Environment

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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.

Explore technical deep-dives in Data Diodes for Air-Gap Security and How They Block AI-Enabled Malware.

Connect with an Expert View Protocol Sheet

MetaDefender Optical
Diode Selector

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