SPX IDs
Connection Control
01h-08h (wird nicht von Standard SPX verwendet)
04h Negotiate size request/response (nur SPX II)
08h SPX II type packet (nur SPX II)
10h End of message
20h Attention
40h Acknowledgment required
80h System packet
Datastream Type
00h-FDh Client defined (Standard SPX)
FCh Orderly release request
FDh Orderly release acknowledgment
FEh End of connection
FFh End of connection acknowledgment