User's Guide

Wireless Array
List of Figures xiii
List of Figures
Figure 1. Xirrus Arrays: XR Series............................................................................ 1
Figure 2. Wireless Array (XR Series) ........................................................................ 4
Figure 3. Wireless Coverage Patterns .................................................................... 12
Figure 4. XP8 - Power over Ethernet Usage .......................................................... 13
Figure 5. WMI: Array Status.................................................................................... 14
Figure 6. Layout of IAPs (XR-7630)........................................................................ 15
Figure 7. Wall Thickness Considerations .............................................................. 29
Figure 8. Unit Placement.......................................................................................... 30
Figure 9. Full (Normal) Coverage........................................................................... 31
Figure 10. Adjusting RF Patterns.............................................................................. 31
Figure 11. Custom Coverage ..................................................................................... 32
Figure 12. Connection Rate vs. Distance ................................................................. 32
Figure 13. Transmit Power......................................................................................... 33
Figure 14. Overlapping Cells..................................................................................... 34
Figure 15. Allocating Channels Manually............................................................... 36
Figure 16. Classic 802.11 Signal Transmission........................................................ 38
Figure 17. MIMO Signal Processing......................................................................... 38
Figure 18. Spatial Multiplexing................................................................................. 39
Figure 19. Channel Bonding...................................................................................... 40
Figure 20. MAC Throughput Improvements.......................................................... 41
Figure 21. Computing 802.11n Data Rates .............................................................. 42
Figure 22. Port Failover Protection........................................................................... 43
Figure 23. Switch Failover Protection ..................................................................... 45
Figure 24. Port Requirements for XMS .................................................................... 49
Figure 25. WDS Link................................................................................................... 54
Figure 26. A Multiple Hop WDS Connection ......................................................... 55
Figure 27. WDS Failover Protection ......................................................................... 55
Figure 28. Installation Workflow .............................................................................. 58
Figure 29. Array Placement ....................................................................................... 60
Figure 30. LED Locations........................................................................................... 64
Figure 31. Network Interface Ports—XR-520 (left); XR-1000 Series (right) ....... 68
Figure 32. Network Interfaces—XR-2000 Series (left); XR-2005 Series (right) ... 69
Figure 33. Network Interface Ports—XR-4000 Series ............................................ 69
Figure 34. Network Interface Ports—XR-6000 Series ............................................ 69