The ESD - RSLinx Classic OEM Perpetual with 8x5 support is a reliable communication driver widely used in industrial automation to connect various devices across multiple network types, including EtherNet/IP, DeviceNet, ControlNet, as well as legacy serial networks like DF-1, DH-485, and DH+. Distributed by BSP Automation, this perpetual license offers consistent OPC DA connectivity, enabling seamless integration with both Rockwell and third-party software. RSLinx Classic comes in several license types, with the OEM version providing robust, single-node communication tailored for stable, long-term use in automation systems.