Property Management System - Communication Interface |
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| From the PMS to the NEAX |
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Send | Receive | Send | Receive |
| Send |
Start | Accept | Message | Accept |
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Sequence |
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| retry | |
| Reject |
| Reject | 3 | quit |
| No Answer | Query | No Answer | 4 | quit |
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| retry | ||
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| Contention | 1 | Interrupt |
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| continue | Pause |
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| Interrupt | 2 |
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| quit |
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| Pause |
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| Wait |
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| 1 second |
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| Wait |
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| 1 second |
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1 - Do not respond. Immediately cease send attempt and receive message from NEAX.
2 - Ignore Interrupt and send message if 8 messages in queue. 3 - Retry is 3 times; quit on 4th Reject.
4 - Retry is 32 times; quit on 33rd No Answer.
End
Code
Figure 2-3 PMS to NEAX protocol
| Page 9 |
