BACnet Protocol Gateway
8
6.2 Internet Topological Graph
Fig. 6.1 Communication network topology
Network topology instruction::
485 bus
: 485 bus: The wire indicated by L2 in fig, 6.1 is 485 bus. One 485 bus
can connect 255 units at the most.
Cable:
The wire indicated by L2 in fig. 6.2 is the normal cable. The gateway
can be connected to BMS by the cable.
Units’ quantity that can be connected to the gateway:
One gateway can
connect 255 units at the most.
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