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 .................................................................... 11
Figure 4. XP8 - Power over Ethernet Usage .......................................................... 12
Figure 5. WMI: Array Status ................................................................................... 13
Figure 6. Layout of IAPs (XR-7630)........................................................................ 14
Figure 7. Coverage Schemes (XR-7230 shown)..................................................... 16
Figure 8. Wall Thickness Considerations .............................................................. 29
Figure 9. Unit Placement.......................................................................................... 30
Figure 10. Full (Normal) Coverage........................................................................... 31
Figure 11. Adjusting RF Patterns.............................................................................. 31
Figure 12. Custom Coverage ..................................................................................... 32
Figure 13. Connection Rate vs. Distance ................................................................. 32
Figure 14. Transmit Power......................................................................................... 33
Figure 15. Overlapping Cells..................................................................................... 34
Figure 16. Allocating Channels Manually............................................................... 36
Figure 17. Spatial Multiplexing................................................................................. 39
Figure 18. MIMO Signal Processing......................................................................... 40
Figure 19. MU-MIMO with Four Antennas ............................................................ 41
Figure 20. Physical Layer Data Encoding................................................................ 42
Figure 21. Channel Bonding (Channels 36-64 shown)........................................... 44
Figure 22. Maximum 802.11ac Data Rates............................................................... 44
Figure 23. Port Failover Protection........................................................................... 47
Figure 24. Switch Failover Protection ..................................................................... 48
Figure 25. Port Requirements for XMS .................................................................... 52
Figure 26. WDS Link................................................................................................... 57
Figure 27. A Multiple Hop WDS Connection ......................................................... 58
Figure 28. WDS Failover Protection ......................................................................... 58
Figure 29. Installation Workflow .............................................................................. 61
Figure 30. Array Placement ....................................................................................... 63
Figure 31. LED Locations .......................................................................................... 66
Figure 32. Network Interface Ports—XR-520 (left); XR-1000 Series (right)........ 71
Figure 33. Network Interface Ports—XR-600 Series .............................................. 71
Figure 34. Network Interfaces—XR-2000 Series (left); XR-2005 Series (right) ... 72