Allen Bradley 1734-adnx-used tested with warrantyUsed Allen Bradley 1734 ADNX Used POINT I O 24V DC DeviceNet Adapter with Subnet eviceNet Network Expansion (DeviceNet link) that provides the expansion of the POINTBus to allow the 1734 ADNX to use its lower connector to add an additional 500 meters and up to 63 nodes which will be bridged through the 1734 ADNX up to the Primary Network 1 Year Warranty