# Edge Devices A **Green Stack Edge Device** is a powerful, on-premise compute engine that securely connects your building systems to the Green Stack Cloud and performs several key platform operations. An Edge Device is responsible for: * Communicating with BACnet BMS devices * Monitoring managed BMS device and point health * Annunciating and managing BMS alarms and faults * Performing edge polling collector sampling * ## Ordering an Edge Device Green Stack is currently in an invite-only pilot phase. If you are interested in becoming a pilot site, please complete this form to contact us. A member of the Green Stack support team will contact you to discuss your needs. ## Edge Device Connectivity Options An edge device --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.greenstack.dev/configuration/edge-devices.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.