# hirschmann-belden-phoenix-contact

> Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 6, 2026.

> A network security device, specifically a data diode, developed by Belden and Hirschmann, designed for rail industry applications to ensure unidirectional data flow. This device allows for monitoring via HTTP(S) protocol without requiring credentials, providing details like device type, firmware, OS, and product name.

- Business Profile: https://optimly.ai/brand/hirschmann-belden-phoenix-contact
- Publisher: Optimly (https://optimly.ai)
- Dataset: Optimly AI Brand Index (https://optimly.ai/brand)
- Official website: https://technicaldocs.nozominetworks.com/
- Logo: https://logo.clearbit.com/technicaldocs.nozominetworks.com
- Slug: hirschmann-belden-phoenix-contact
- Brand Authority Index tier: Contender
- Category: Operational Technology (OT) Cybersecurity Platforms
- Last Analyzed: September 6, 2026