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Wi-Fi Array XR4420
Xirrus Wi-Fi Array XR4420 User Manual
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Installing the Wi-Fi Array
85
See Also
Failover Planning
Network Management Planning
Power Planning
104
106
Table of Contents
Default Chapter
5
Table of Contents
5
List of Figures
15
Introduction
21
The Xirrus Family of Products
22
Figure 1. Xirrus Arrays
22
Figure 2. the Xirrus Management System
23
Nomenclature
24
About this User's Guide
25
Organization
25
Notes and Cautions
27
Screen Images
27
Your User's Guide as a PDF Document
27
Hyperlinks
27
Window or Page
27
Why Choose the Xirrus Wi-Fi Array
28
Wi-Fi Array Product Overview
29
Enterprise Class Security
29
Figure 3. Wi-Fi Array (XN16)
29
Wi-Fi Array Product Family
30
XR4000 Family of Arrays
30
XN Family of Arrays
31
XS Family of Arrays
32
Deployment Flexibility
33
Figure 4. Wireless Coverage Patterns
33
Power over Gigabit Ethernet (Poge)
34
Enterprise Class Management
34
Figure 5. XP8 - Power over Ethernet Usage
34
Figure 6. WMI: Array Status
35
Key Features and Benefits
37
High Capacity and High Performance
37
Figure 7. Layout of Iaps (XN16)
37
Extended Coverage
38
Figure 8. Naming of Iaps (XS16)
38
Flexible Coverage Schemes
39
Non-Overlapping Channels
39
Figure 9. Coverage Schemes (XS16 Shown)
39
SDMA Optimization
40
Fast Roaming
40
Easy Deployment
40
Secure Wireless Access
40
Applications Enablement
40
Advanced Feature Sets
40
Xirrus Advanced RF Performance Manager (RPM)
41
Xirrus Advanced RF Security Manager (RSM)
42
Xirrus Advanced RF Analysis Manager (RAM)
42
Product Specifications - XR4400 and XR4800 Series
43
Product Specifications - XN16, XN12, and XN8
51
Product Specifications - XN4
58
Product Specifications - XS16 and XS8
65
Product Specifications - XS4
71
Installing the Wi-Fi Array
77
Installation Prerequisites
77
Optional Network Components
79
Client Requirements
79
Planning Your Installation
80
General Deployment Considerations
80
Figure 10. Wall Thickness Considerations
81
Coverage and Capacity Planning
82
Figure 11. Unit Placement
82
Placement
82
Figure 12. Full (Normal) Coverage
83
RF Patterns
83
Figure 13. Adjusting RF Patterns
84
Figure 14. Custom Coverage
84
Capacity and Cell Sizes
85
Figure 15. Connection Rate Vs. Distance
85
Figure 16. Transmit Power
86
Fine Tuning Cell Sizes
86
Allocating Channels
87
Figure 17. Overlapping Cells
87
Roaming Considerations
87
Figure 18. Allocating Channels Manually
89
Deployment Examples
90
Figure 19. Deployment Scenario (54 Mbps) - Per Sector
90
Figure 20. Deployment Scenario (36 Mbps) - Per Sector
90
Figure 21. Deployment Scenario (18 Mbps) - Per Sector
91
IEEE 802.11N Deployment Considerations
92
Figure 22. Classic 802.11 Signal Transmission
93
MIMO (Multiple-In Multiple-Out)
93
Figure 23. MIMO Signal Processing
94
Figure 24. Spatial Multiplexing
95
Multiple Data Streams - Spatial Multiplexing
95
Channel Bonding
96
Figure 25. Channel Bonding
96
Figure 26. MAC Throughput Improvements
97
Improved MAC Throughput
97
Short Guard Interval
97
Figure 27. Computing 802.11N Data Rates
98
Obtaining Higher Data Rates
98
802.11A Capacity
99
Figure 28. 802.11N Increases Capacity
99
Failover Planning
100
Figure 29. Port Failover Protection
100
Port Failover Protection
100
Figure 30. Switch Failover Protection
101
Switch Failover Protection
101
Power Planning
102
AC Power
102
Power over Gigabit Ethernet
102
Wi-Fi Array
102
Security Planning
103
Authentication
103
Wireless Encryption
103
Meeting FIPS Standards
104
Meeting PCI DSS Standards
104
Figure 31. Port Requirements for XMS
106
Port Requirements
106
Network Management Planning
109
Figure 32. WDS Link
110
WDS Planning
110
Figure 33. a Multiple Hop WDS Connection
111
Figure 34. WDS Failover Protection
111
Common Deployment Options
113
Installation Workflow
114
Figure 35. Installation Workflow
114
Installing Your Wi-Fi Array
116
Choosing a Location
116
Figure 36. Array Placement
116
Wiring Considerations
117
Dismounting the Array
119
Mounting the Array
119
Powering up the Wi-Fi Array
120
Figure 37. LED Locations (XN16)
120
Array LED Operating Sequences
121
LED Boot Sequence
121
LED Operation When Array Is Running
122
Establishing Communication with the Array
123
Figure 38. Network Interface Ports
123
Using the Ethernet Ports
123
Using the Serial Port
123
Logging in
124
Entering the License
124
Performing the Express Setup Procedure
126
Figure 39. Express Setup
126
Procedure for Performing an Express Setup
127
Figure 40. Leds Are Switched on
131
The Web Management Interface
133
An Overview
134
Figure 41. Web Management Interface
134
Structure of the WMI
135
User Interface
137
Figure 42. WMI: Frames
137
Figure 43. WMI: Utility Buttons
139
Utility Buttons
139
Figure 44. Feedback Form
140
Logging in
141
Applying Configuration Changes
141
Character Restrictions
141
Figure 45. Logging in to the Wi-Fi Array
141
Viewing Status on the Wi-Fi Array
143
Array Status Windows
143
Array Summary
144
Content of the Array Summary Window
144
Figure 46. Array Summary
144
Figure 47. Disabled IAP (Partial View)
145
Figure 48. IAP Cells
146
Array Information
147
Figure 49. Array Information
147
Array Configuration
148
Figure 50. Show Configuration
148
Admin History
149
Network Status Windows
149
Figure 51. Admin Login History
149
Figure 52. Network Settings
150
Network
150
Network Map
151
Content of the Network Map Window
151
Figure 53. Network Map
151
Spanning Tree Status
153
Figure 54. Spanning Tree Status
154
ARP Table
155
Figure 55. Routing Table
155
Figure 56. ARP Table
155
Routing Table
155
Connection Tracking/Nat
156
DHCP Leases
156
Figure 57. DHCP Leases
156
Figure 58. Connection Tracking
156
CDP Neighbors
157
Figure 59. CDP Neighbors
157
Figure 60. Network Assurance
158
Network Assurance
158
RF Monitor Windows
159
Iaps
160
Figure 61. RF Monitor - Iaps
160
Spectrum Analyzer
161
Figure 62. RF Spectrum Analyzer
162
Intrusion Detection
165
Figure 63. Intrusion Detection/Rogue AP List
165
Station Status Windows
167
Stations
168
Figure 64. Stations
168
Location Map
169
Figure 65. Location Map
169
Figure 66. Controls for Location Map
170
Figure 67. Minimizing Stations
171
Rssi
173
Figure 68. Station RSSI Values
173
Figure 69. Station RSSI Values - Colorized Graphical View
174
Signal-To-Noise Ratio (SNR)
175
Figure 70. Station Signal-To-Noise Ratio Values
175
Figure 71. Station SNR Values - Colorized Graphical View
176
Noise Floor
177
Figure 72. Station Noise Floor Values
177
Figure 73. Station Noise Floor Values - Colorized Graphical View
178
Max by IAP
179
Figure 74. Max by IAP
179
Statistics Windows
180
IAP Statistics Summary
180
Per-IAP Statistics
181
Figure 75. IAP Statistics Summary Page
181
Figure 76. Individual IAP Statistics Page (for IAP Abg(N)1)
182
Network Statistics
183
Figure 77. Network Statistics
183
VLAN Statistics
184
Figure 78. VLAN Statistics
184
WDS Statistics
185
Figure 79. WDS Statistics
185
Filter Statistics
186
Station Statistics
186
Figure 80. Filter Statistics
186
Figure 81. Station Statistics
186
Figure 82. Individual Station Statistics Page
187
Figure 83. System Log
188
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Xirrus Wi-Fi Array XR4420 Specifications
General
Brand
Xirrus
Model
Wi-Fi Array XR4420
Category
Speaker System
Language
English
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