Phoenix Contact 2702636 A device featuring an active termination resistor for use on PROFIBUS and RS-485 bus systems is equipped with a redundant power supply, allowing for reliable operation in case of a single supply failure. The supply voltage can be routed to the device via a DIN rail connector, ensuring easy installation and mounting. Additionally, the device offers electrical isolation and a switchable termination option, providing flexibility in terms of system configuration. Furthermore, an integrated programming interface enables users to easily configure and program the device as needed.