Mitsubishi Electric AE-200A Instruction Book page 62

The use of IP routers will require the default gateway setting to be configured beforehand.
(Refer to 8-2-1-2 "LAN2 (for BACnet
When using remote BBMD, configure the "Use Remote BBMD" setting beforehand.
(Refer to 8-4-1-3 "Use Remote BBMD" for details.)
3. Message transmission across networks
IP routers transfer unicast messages across networks, but not broadcast messages.
BBMDs are used to transmit broadcast messages across networks.
BBMD (transmission originator) transforms broadcast messages into BBMD transfer messages, and these
messages are sent to the transmission destination BBMD through IP routers.
(Originator BBMD ->IP router ->IP network -> IP router -> Destination BBMD)
The transmission destination BBMD transforms the received BBMD transfer messages into broadcast
messages and transmit them to the devices on the target network.
AE-200 sends broadcast messages to the following devices:
• All devices that belong to the same network as the AE-200
• All devices connected to other networks via the BBMDs
Important
Transfering messages between BBMDs will require the BDT (Broadcast Distribution Table) settings on
the BBMDs to be made. It is assumed here that the BDT settings have already been made.
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)" for details.)
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