Product website: www.matrikonopc.com/opc-drivers/opc-jc-n2/base-dri...
The JC N2 (Johnson Controls) OPC Server for integrating smaller Heating, Ventilation and Air Conditioning (HVAC) networks without NCM's, OPC Server for Johnson Controls N2 offers direct access to your N2 devices. This OPC Server removes the hassle of purchasing and programming an NCM to OPC-enable your Johnson Controls HVAC network. It speaks N2 over serial directly to the end devices.
This OPC server supports N2 DX devices. It can also dynamically communicate with multiple N2 devices on multiple N2 networks through serial (RS232/RS485).