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Page 8 NDA-30115 Revision 1.0
Architecture Property Management System - Communication Interface
From the NEAX to the PMS
Figure 2-2 NEAX to PMS Protocol
Start
Sequence
Accept
Reject
No Answer
Contention
Interrupt
Abort
Pause
Message
Accept
Reject
No Answer
Interrupt
Abort
Pause
End
Code
Wait
1 second
Send Receive ReceiveSend Send
retry
quit
retry
retry
retry
retry
quit
quit
quit
quit
1
2
3
4
5
Query
1 - Retry is 3 times; quit on 4th Reject.
2 - Retry is 15 times; quit on 16th No Answer.
3 - Retry is 3 times; quit on 4th Reject.
4 - Retry is 32 times; quit on 33rd No Answer.
5 - Retry is 3 times; quit on 4th Pause.