0141 01FF 21 18 41 0015 0036 32018002 = 54
---- ---- -- -- -- ---- ---- -------- - --
! ! ! ! ! ! ! ! ! +- Checksum
! ! ! ! ! ! ! ! +--- Checksum next
! ! ! ! ! ! ! +-------- Station in NetObjRef format: dir no 8002, node 01
! ! ! ! ! ! +---------------- Message id: 0x0036 = Station is busy
! ! ! ! ! +--------------------- Reference: Value identifying receivers’ reference
! ! ! ! +------------------------- Message class: 65 (0x41) ‘A’ = AlphaCom
! ! ! +---------------------------- Options: The number of bytes is given by <hopcountbyte>
! ! +------------------------------- Hopcount byte
! +----------------------------------- Destination: Node 01, broadcast (0xFF)
+---------------------------------------- Source: Node 01, module 65 (0x41)