BACNET TOPOLOGY
A typical BACnet Network consists of devices connected to physical networks. Each device is a separate
piece of hardware and has a physical connection to the network. Devices are given a unique Device
Instance Number which can be a number between 0 and 4194302. BACnet MS/TP devices have additional
addressing designations called MAC addresses. For most users it is the Device Instance Number which is
used as a reference, but the combination of the Network Number and MAC address of an MS/TP device
may be configured by a System Integrator to avoid any MAC address conflicts on the EIA-485 network.
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