User Manual

Demand Assignment
System Overview IXL 001
605-0000-450
Draft Issue 1.3dr Date 8/02/00
Page 3 of 6
Figure 7. Demand Assigned Air-Interface Structure 17
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Figure 8. The AS4000 Omni-Directional Antenna System (typical) 2
Figure 9. 65° Directional Antenna 3
Figure 10. 180° Directional Antenna 3
Figure 11. AS4000 DA CT Equipment Racks (covers removed) 4
Figure 12. Modem Shelf with front covers removed 6
Figure 13. RF Combiner Shelf 7
Figure 14 Alarm and Breaker Panel 8
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Figure 15. Access Concentrator Rack (covers removed) 1
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Figure 16. R Series Demand Assigned Subscriber Terminals 1
Figure 17. The R Series Service Interface Unit (RU-V2 shown) 2
Figure 18. S Series Demand Assigned Subscriber Terminals 2
Figure 19. The S Series Service Interface Unit. (SU-V2 shown). 3
Figure 20. N Series Demand Assigned Subscriber Terminals 3
Figure 21. The N Series Service Interface Unit. (MU-V4 shown). 4
Figure 22. B Series Demand Assigned Subscriber Terminals 4
Figure 23. The B Series Service Interface Unit. (MU-I shown). 5
Figure 24. L Series Demand Assigned Subscriber Terminals 5
Figure 25. The L Series Service Interface Unit. (MU-D2x64 shown). 6
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Figure 26. Sitespan Network Management 2
List of Tables
Table Page
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Table 1. AS4000 DA Subscriber Terminals 14
Abbreviations
ADPCM Adaptive Differential Pulse Code Modulation
AC Access Concentrator
AGC Automatic Gain Control
CCC Call Control Channel
CDMA Code Division Multiple Access
CPE Customer Premises Equipment
CU Compression Unit
CT Central Terminal
CTU Central terminal Tributary Unit (at AC site)
DA Demand assignment
DC Direct Current
DMM Digital Multi Meter