Source Network
From BACnet Wiki
Legal Source Network values are 1 - 65535
SNET = 0xffff - Illegal
SNET = 0 - Illegal in a BACnet packet, but may be used internally to a device to indicate 'local network'. But see Network Number
Reference: BACnet Specification 135-2004 Section 6.2.2.1 Page 51
(See also Destination Network)
| APDU BBMD BVLC BVLL DADR DNET Encoding I-Am LSAP MAC NPCI NPDU NSAP NSDU SA SADR SNET |
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