NEXUS ACE (ASPECT Control Engine) with embedded ASPECT runtime engine and web UI, includes 2 RS-485 ports, configurable for 9.6 to 115.2 kbps, capable of supporting up to a total of 64 devices (either MS/TP or TCP/IP) or 4,000 points. Support for 2 RS-485 protocols (BACnet MS/TP, Modbus RTU, or AAM PUP). One RJ-45 10/100/1000 MB Ethernet port with TCP/IP support for FT/Net, BACnet/IP, Modbus TCP and Cylon UC.32 Net. Field upgrade-able to support a maximum of 10,000 points and 128 devices as a combination of either TCP/IP or MS/TP connections.