Adaptors for Connection of Air Conditioners Si30-408
226 Appendix
2. Relaxation of restrictions on branching DIII-NET
With the DIII-NET adapter, no secondary branching is enabled. Using expander adapters,
however, enables branching shown in figure below. (Direct branching from the main line is
referred to as the primary branching, and further branching from the primary branching is
referred to as the secondary branching.)
Centralized
controller
Centralized
controller
Note)
: Main line
: Primary branch line
: Secondary branch line
This can be omitted.
: Expander adapter
n
Conventional system
n
If the expander adapter is used
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