The RDS25S-1K is a Telpod hardware part used to control communications between a control system and up to 25 distributed control devices. It is a standalone unit, meaning that no external controllers are required for it to function. It provides a reliable low-latency remote communication interface with a range of up to 1000m. In addition, it supports digital I/O, which can be used for controlling digital devices. The RDS25S-1K supports a selection of networking protocols, including CAN, RS232, and Ethernet. It is designed for use in demanding industrial, military, and aviation applications.