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Fend CE
Data Diode

Fend’s patented hardware is designed for the unique needs of industrial control systems. The Fend CE Data Diode combines the power of optical isolation with the convenience of cellular data. Designed and built in the USA.

Supports AT&T and Verizon.

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The Fend CE Data Diode supports the following protocols:

  • Modbus Serial, Modbus TCP/IP

  • BACnet MSTP, BACnet IP 

  • LON-IP

  • Fend Cloud on AWS (subscription required)

  • FTP/FTPS (Ethernet Mode)

  • TCP/IP (Ethernet Mode)

Transmit a stream of data points over a cellular connection to AWS GovCloud and point the data to a third-party analytics provider for remote equipment monitoring.



Additional Features

Provides continued insight during power outages or in environments with unstable electric power.

Backup Battery

On-board protection resists and recovers from Denial of Service (DOS) attacks 

DDoS Protection

Built-in anti-tamper protects against physical interference.

Tamper Resistance
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Physically enforced one-way data flow prevents any malicious code from reaching the protected equipment or network. Fend’s diodes use full optical isolation that allows data out and nothing in.

Full Optical Isolation

Easily set up and configure your diode with Fend's Diode Configuration Tool

Field Configurable

Fend isolates the protected system and offers encrypted protocol options for data in transit.

Onboard Encryption

Full electrical isolation between input and output sides of the diode prevents side-channel attacks over power lines.

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Separate Power Supplies

Rugged design allows Fend diodes to live alongside the equipment they protect. Flush mount and DIN rail options. ETL tested / FCC Certified.

Designed for Industry
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