The Gira S1 Remote Access Device (2089 00) is designed to provide secure remote access to compatible Gira KNX installations. It can support remote service or operation workflows for authorised users, depending on the connected system, configuration and services in use. The device is intended to work as part of a wider Gira installation rather than as a standalone KNX controller, so compatibility and commissioning requirements should be checked before purchase. Network setup, user permissions and security configuration are important parts of deployment. Review the current Gira documentation for supported systems, prerequisites, remote-access functions and installation details, and apply the project’s IT security policies when connecting the device to a building network.