Service Flags
From BACnet Wiki
These flags indicate if a parameter is required or optional.
Value | Description |
M | Mandatory |
U | User option, may not be provided |
C | Parameter is conditional on others |
S | Parameter is a selection from two or more others |
APDU BBMD BVLC BVLL DADR DNET Encoding I-Am LSAP MAC NPCI NPDU NSAP NSDU SA SADR SNET |
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