Data Diode OWCD Data Secure Link

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One-way communication restriction device data diode OWCD series

last updated：Jul 08, 2026

Official site

Is data transmission safe? The data diode OWCD "Data Secure Link" can prevent intrusions by restricting communication to one direction only.

One-way communication restriction device data diode "OWCD" In response to the construction of a "no connection premise" that zero trust security cannot address, the simple structure of a data diode dedicated to physically restricting communication flow in one direction is gaining support. However, relying solely on boundary restriction capabilities is insufficient for practical use. Therefore, we are advancing a lineup of models that respond to various communication needs, including converting bidirectional communication protocols to one-way, adapting to recipient-side circumstances such as the Internet, and even enhancing value by collecting and analyzing IoT information. Among these, one option is the data diode OWCD "Data Secure Link." It supports TCP sockets, SMTP relay, and OPC UA. It absolutely prevents internal access, allowing for utilization that is suitable for ensuring customer security. As digital transformation progresses, the operational management becomes increasingly challenging with the growing volume of communication. We encourage you to utilize the data diode OWCD "Data Secure Link," which can be used easily and clearly, with minimal running costs for safe and secure operations. There is a video introducing the principles; please check the related link below.

Related Link - https://power.mhi.com/jp/group/eng/business/produc…

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basic information

There are various setup methods. 1000Mbase-T (RJ-45) connection is standard. Effective value (standard setting) is 300Mbps. A PC is required for the converter, but we can provide whitelist-type antivirus software as a security measure. - Supports TCP, SMTP relay, and OPC UA. - Also supports HTTPS and MQTT. * For file transfer, please use our sibling product "File Secure Link." * For UDP and SNMP trap support, please consult us. In addition to the above hardware configuration, we can also provide models that support low communication bandwidth and models that support larger capacities. * Measures against the shortage of specialized personnel: Progress is rapid and accumulative, and the shortage is persistent... * Measures against resource shortages: No matter how much money you have, it’s not enough if you introduce various services... * Measures against low crisis awareness: Even if you say operations could be halted, it’s hard to believe... We can no longer prevent intrusions; multi-layered defense is essential to prevent the expansion of damage. Physical defense has a significant effect on countermeasures and plays a crucial role in multi-layered defense. Please contact us through the related links above.

Price information

Focusing on the basic model, - We want to support multiple communication protocols. - We want to incorporate our own service programs. - We would like to provide a separate computer. Please consult us for customization towards your operations. Also, please consult us for communication and system integration within your network. Last year, we faced the onslaught of ransomware, and it will likely continue this year. Even zero trust has been breached. We cannot remain defenseless against ransomware forever. Let's avoid operational shutdowns with multi-layered defenses. Please contact us through the related links above.

Price range

Delivery Time

Please contact us for details

※It is made to order. The standard delivery time for the basic model is 12 weeks. Please contact us via the related link above.

Applications/Examples of results

The sending computer receives data and immediately transmits it to a receiving computer in a different security zone via the data diode OWCD. - It supports TCP, UDP, SMTP relay, OPC UA, and SNMP traps. - It also supports HTTPS and MQTT. In addition, functionality can be added to both the sending and receiving sides. - It can be equipped with the ability to collect data directly from sensors or PLCs and transmit it via OPC UA, HTTPS, or MQTT. - Database recording, data visualization via the web, and direct integration with customer service dedicated terminals are also possible. - In the case of database integration, file transfer is an option if the data needs to be temporarily stored in a file. - We also accept inquiries regarding DIN rail mounts or wall mounts for integration into control panels, including communication performance values. - Functions for analysis and detecting unusual changes can also be implemented. It prevents intrusions from communication routes far more robustly than a password lock. OT: In addition to production equipment DX and IoT, it is also used for secure communication in government agencies and other organizations. Please contact us through the related links above.

Detailed information

A data diode is a device that restricts communication to one direction. The data diode OWCD prevents unauthorized access and data exfiltration through viruses by using a route for sending files. We have implemented features to better utilize this characteristic. It is a "data secure link" that connects computers that cannot see each other due to different security management zones. Even those who are not communication security experts, such as firewall or router users, can easily configure it. We started with support for communication protocols and have equipped it with the ability to respond to various applications, allowing for customization as well. Please make use of it.