What is a BACnet Broadcast Management Device (BBMD)? - Optigo Networks
Appendix D: Using BBMD to Communicate Across Multiple Subnets - Metasys - LIT-12012356 - Wireless Device - WNC1800/ZFR182x Pro Series Wireless Field Bus System - 10.1
BACnet
Connecting to BBMD Devices
cimetrics B3075 BACnet-IP to BACnet-IP Router User Guide