SK6XI-N450802.11abgn 3x3 Module

December 17, 2010 Release 5.0 DRAFT All rights reserved. This document may not be reproduced or disclosed in whole or in part by any means without the written consent of Xirrus, Inc. Part Number: 800-0xxx-001 (Revision A) Wi-Fi Array XR4420, XR4430, XR4820, XR4830 XN16, XN12, XN8, XN4 XS16, XS8, XS4 ™ Trademarks is a registered trademark of Xirrus, Inc. All other trademarks and brand names are marks of their respective holders. Please see Legal Notices, Warnings, Compliance Statements, and Warranty and License Agreements in “Appendix F: Notices” on page 467. Xirrus, Inc. 2101 Corporate Center Drive Thousand Oaks, CA 91320 USA Tel:1.805.262.1600 1.800.947.7871 Toll Free in the US Fax:1.866.462.3980 www.xirrus.com Wi-Fi Array i Table of Contents List of Figures...................................................................................... xi Introduction ......................................................................................... 1 The Xirrus Family of Products ............................................................................... 2 Nomenclature .................................................................................................... 4 About this User’s Guide .......................................................................................... 5 Organization ...................................................................................................... 5 Notes and Cautions .......................................................................................... 7 Screen Images .................................................................................................... 7 Your User’s Guide as a PDF Document ........................................................ 7 Hyperlinks ......................................................................................................... 7 Window or Page? .............................................................................................. 7 Why Choose the Xirrus Wi-Fi Array? ................................................................... 8 Wi-Fi Array Product Overview ............................................................................. 9 Enterprise Class Security ................................................................................. 9 Wi-Fi Array Product Family ......................................................................... 10 XR4000 Family of Arrays ........................................................................ 10 XN Family of Arrays ............................................................................... 11 XS Family of Arrays ................................................................................ 12 Deployment Flexibility .................................................................................. 13 Power over Gigabit Ethernet (PoGE) .................................................... 14 Enterprise Class Management ...................................................................... 14 Key Features and Benefits ..................................................................................... 17 High Capacity and High Performance ........................................................ 17 Extended Coverage ......................................................................................... 18 Flexible Coverage Schemes .................................................................... 19 Non-Overlapping Channels .......................................................................... 19 SDMA Optimization ...................................................................................... 20 Fast Roaming ................................................................................................... 20 Easy Deployment ............................................................................................ 20 Secure Wireless Access .................................................................................. 20 Applications Enablement .............................................................................. 20 Advanced Feature Sets .......................................................................................... 20 Wi-Fi Array ii Xirrus Advanced RF Performance Manager (RPM) .................................. 21 Xirrus Advanced RF Security Manager (RSM) .......................................... 22 Xirrus Advanced RF Analysis Manager (RAM) ......................................... 22 Product Specifications — XR4400 and XR4800 Series ........................................ 23 Product Specifications — XN16, XN12, and XN8 ............................................... 31 Product Specifications — XN4 .............................................................................. 38 Product Specifications — XS16 and XS8 .............................................................. 45 Product Specifications — XS4 ............................................................................... 51 Installing the Wi-Fi Array ................................................................. 57 Installation Prerequisites ...................................................................................... 57 Optional Network Components ................................................................... 59 Client Requirements ....................................................................................... 59 Planning Your Installation .................................................................................... 60 General Deployment Considerations .......................................................... 60 Coverage and Capacity Planning ................................................................. 62 Placement .................................................................................................. 62 RF Patterns ................................................................................................ 63 Capacity and Cell Sizes ...................…

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Wi-Fi Array Configuring the Wi-Fi Array171 Configuring the Wi-Fi Array The following topics include procedures for configuring the Array using the product’s embedded Web Management Interface (WMI). Procedures have been organized into functional areas that reflect the flow and content of the WMI. The following WMI windows allow you to establish configuration parameters for your Array, and include: “Express Setup” on page 173 “Network” on page 179 “Services” on page 191 “VLANs” on page 205 “Security” on page 209 “SSIDs” on page 243 “Groups” on page 262 “IAPs” on page 268 “WDS” on page 305 “Filters” on page 310 “Clusters” on page 316 After making changes to the configuration settings of an Array you must click on the Save button at the bottom of the configuration window, otherwise the changes you make will not be applied the next time the Array is rebooted. Click the Apply button if you want the changes applied to the current configuration, without making them permanent. This chapter only discusses using the configuration windows on the Array. To view status or use system tools on the Array, please see:  Some settings are only available if the Array’s license includes appropriate Xirrus Advanced Feature Sets. If a setting is unavailable (grayed out), then your license does not support the feature. See “About Licensing and Upgrades” on page 325. Wi-Fi Array 172Configuring the Wi-Fi Array “Viewing Status on the Wi-Fi Array” on page 123 “Using Tools on the Wi-Fi Array” on page 323 Wi-Fi Array Configuring the Wi-Fi Array173 Express Setup The Express Setup procedure allows you to establish global configuration settings that will enable basic Array functionality. Any changes you make in this window will affect all radios. When finished, click on the Apply button to apply the new settings to this session, or click Save to apply your changes and make them permanent. Figure 84. WMI: Express Setup Wi-Fi Array 174Configuring the Wi-Fi Array Procedure for Performing an Express Setup 1.Host Name: Specify a unique host name for this Array. The host name is used to identify the Array on the network. Use a name that will be meaningful within your network environment, up to 64 alphanumeric characters. The default is Xirrus-WiFi-Array. 2.Location Information: Enter a brief but meaningful description that accurately defines the physical location of the Array. In an environment where multiple units are installed, clear definitions for their locations are important if you want to identify a specific unit. 3.Admin Contact: Enter the name and contact information of the person who is responsible for administering the Array at the designated location. 4.Admin Email: Enter the email address of the admin contact you entered in Step 3. 5.Admin Phone: Enter the telephone number of the admin contact you entered in Step 3. 6.Configure SNMP: Select whether to Enable SNMPv2 on the Array, and set the SNMPv2 community strings. The factory default value for the Read-Only Community String is xirrus_read_only. The factory default value for the Read-Write Community String is xirrus. If you are using the Xirrus Management System (XMS), the read-write string must match the string used by XMS. XMS also uses the default value xirrus. 7.Configure the 10/100 Ethernet 0 (10/100 Mb) and Gigabit Ethernet 1 network interface settings. Note that the and Gigabit Ethernet 2 port is not configured on this page. If you need to make changes to Gigabit 2, please see “Network Interfaces” on page 180. The fields for each of these interfaces are similar, and include: a.Enable Interface: Choose Yes to enable this network interface, or choose No to disable the interface. b.Allow Management on Interface: This option is available only on the Gigabit 1 and Gigabit 2 interfaces — the 10/100 Ethernet port is also known as the Management Port, and management is always enabled Wi-Fi Array Configuring the Wi-Fi Array175 on this port. Choose Yes to allow management of the Array via this Gigabit interface, or choose No to deny all management privileges for this interface. c.Configuration Server Protocol: Choose DHCP to instruct the Array to use DHCP to assign IP addresses to the Array’s Ethernet interfaces, or choose Static if you intend to enter IP addresses manually. If you choose the Static IP option, you must enter the following information: •IP Address: Enter a valid IP address for this Array. To use a remote connection (Web, SNMP, or SSH), a valid IP address must be used. •IP Subnet Mask: Enter a valid IP address for the subnet mask (the default is 255.255.255.0). The subnet mask defines the number of IP addresses that are available on the routed subnet where the Array is located. •Default Gateway: Enter a valid IP address for the default gateway. This is the IP address of the router that the Array uses to forward data to other networks. 8.SSID Settings: This section specifies the wireless network name and security settings. a.The SSID (Wireless Network Name) is a unique name that identifies a wireless network (SSID stands for Service Set Identifier). All devices attempting to connect to a specific WLAN must use the same SSID. The default SSID is xirrus. Entering a value in this field will replace the default SSID with the new name. For additional information about SSIDs, go to the Multiple SSIDs section of “Frequently Asked Questions” on page 432. b.Wireless Security: Select the desired wireless security scheme (Open, WEP or WPA). Make your selection from the choices available in the pull-down list. •Open — This option offers no data encryption and is not recommended, though you might choose this option if clients are Wi-Fi Array 176Configuring the Wi-Fi Array required to use a VPN connection through a secure SSH utility, like PuTTy. •WEP (Wired Equivalent Privacy) — An optional IEEE 802.11 function that offers frame transmission privacy similar to a wired network. WEP generates secret shared encryption keys that both source and destinatio…

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December 17, 2010 Release 5.0 DRAFT All rights reserved. This document may not be reproduced or disclosed in whole or in part by any means without the written consent of Xirrus, Inc. Part Number: 800-0xxx-001 (Revision A) Wi-Fi Array XR4420, XR4430, XR4820, XR4830 XN16, XN12, XN8, XN4 XS16, XS8, XS4 ™ Trademarks is a registered trademark of Xirrus, Inc. All other trademarks and brand names are marks of their respective holders. Please see Legal Notices, Warnings, Compliance Statements, and Warranty and License Agreements in “Appendix F: Notices” on page 467. Xirrus, Inc. 2101 Corporate Center Drive Thousand Oaks, CA 91320 USA Tel:1.805.262.1600 1.800.947.7871 Toll Free in the US Fax:1.866.462.3980 www.xirrus.com Wi-Fi Array i Table of Contents List of Figures...................................................................................... xi Introduction ......................................................................................... 1 The Xirrus Family of Products ............................................................................... 2 Nomenclature .................................................................................................... 4 About this User’s Guide .......................................................................................... 5 Organization ...................................................................................................... 5 Notes and Cautions .......................................................................................... 7 Screen Images .................................................................................................... 7 Your User’s Guide as a PDF Document ........................................................ 7 Hyperlinks ......................................................................................................... 7 Window or Page? .............................................................................................. 7 Why Choose the Xirrus Wi-Fi Array? ................................................................... 8 Wi-Fi Array Product Overview ............................................................................. 9 Enterprise Class Security ................................................................................. 9 Wi-Fi Array Product Family ......................................................................... 10 XR4000 Family of Arrays ........................................................................ 10 XN Family of Arrays ............................................................................... 11 XS Family of Arrays ................................................................................ 12 Deployment Flexibility .................................................................................. 13 Power over Gigabit Ethernet (PoGE) .................................................... 14 Enterprise Class Management ...................................................................... 14 Key Features and Benefits ..................................................................................... 17 High Capacity and High Performance ........................................................ 17 Extended Coverage ......................................................................................... 18 Flexible Coverage Schemes .................................................................... 19 Non-Overlapping Channels .......................................................................... 19 SDMA Optimization ...................................................................................... 20 Fast Roaming ................................................................................................... 20 Easy Deployment ............................................................................................ 20 Secure Wireless Access .................................................................................. 20 Applications Enablement .............................................................................. 20 Advanced Feature Sets .......................................................................................... 20 Wi-Fi Array ii Xirrus Advanced RF Performance Manager (RPM) .................................. 21 Xirrus Advanced RF Security Manager (RSM) .......................................... 22 Xirrus Advanced RF Analysis Manager (RAM) ......................................... 22 Product Specifications — XR4400 and XR4800 Series ........................................ 23 Product Specifications — XN16, XN12, and XN8 ............................................... 31 Product Specifications — XN4 .............................................................................. 38 Product Specifications — XS16 and XS8 .............................................................. 45 Product Specifications — XS4 ............................................................................... 51 Installing the Wi-Fi Array ................................................................. 57 Installation Prerequisites ...................................................................................... 57 Optional Network Components ................................................................... 59 Client Requirements ....................................................................................... 59 Planning Your Installation .................................................................................... 60 General Deployment Considerations .......................................................... 60 Coverage and Capacity Planning ................................................................. 62 Placement .................................................................................................. 62 RF Patterns ................................................................................................ 63 Capacity and Cell Sizes ...................…

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Page 1 of 1 370 North Westlake Blvd, Suite 200 805.497.0955 www.xirrus.com Westlake Village, CA 91362866.462.3980 Fax July 13, 2011 Dear Examiner, The Xirrus Model XR4000 series product software will only allow the user to select channels and power levels that have been tested and approved for use in the respective country. Products shipped in the US are designed to only use channels 1 - 11 in the 2400 MHz band and the UNII channels are limited to channels 36 – 64, channels 100 – 116, 132 - 140 and channels 149 - 161. There is no way for the user to select a channel outside of this range. The unit does not allow operation in the 5600MHz to 5650MHz band. The software also checks the channel separation in the 2400 MHz band and will not allow selection of channels with less than 20MHz channel separation. This insures that no two transmitters can be tuned to the same channel and that no two channels can be within 20MHz of each other. Only 3, 20MHz bandwidth channels can be used in the 2.4 GHz band to ensure that channels do not overlap: Channel 1, channel 5 and channel 9 or 10 or 11; Channel 1, channel 6 and channel 10 or 11; Channel 2, channel 7 and channel 11; Channel 3, channel 7 and channel 11. Only 1 40MHz bandwidth channel can be enabled at a time. The maximum transmit power for each channel is hard coded into each radio. Even if the user requests a higher power, the radio firmware will limit the output power to the approved level. Further, the firmware will adjust the output power for transceivers operating in the NII/LELAN band to ensure that the total power in the band remains below the 17dBm total output power / 23dBm eirp limits (5150-5250 MHz) and 24 dBm output power / 30dBm eirp limits (5250-5350 MHz and 5470-5725 MHz). Sincerely, Steve Smith VP hardware Engineering

Page 1 of 2 2101 Corporate Center Drive 805.262.1660 Thousand Oaks, CA 91320 866.262.1661 Fax www.xirrus.com August 19, 2011 Xirrus Arrays Using XI-N300 and XI-N450 Modules – Attestation. Gentlemen: The FCC has established certain requirements for U-NII devices as detailed in KDB 443999 and for both DTS and U-NII devices in KDB 594280. The Xirrus host systems are currently only being designed for indoor use, and we understand that when outdoor options are made available we will need to file a C2PC to update grant notes to allow use of the modules in specific outdoor hosts. The current applications are limited to an indoor host system. The requirements applicable to indoor devices in KDB 443999, related to DFS, are: • Devices will not transmit on channels which overlap the 5600 – 5650 MHz band. • Devices must meet all of the other requirements specified in Section 15.407, and it is prohibited to include configuration controls (e.g. country code settings or other options to modify DFS functions) to change the frequency of operations to any frequency other than those specified on the grant of certification for US operation. • All applications for equipment authorization must clearly show compliance with all of the technical requirements under worst case parameters, under user or operator control, based on frame rates, listen/talk ratios and user data transfer conditions. • ... include appropriate attestations that the device has no option to change the DFS parameters and that transmissions are disabled at least in the 5600 – 5650 MHz band. The application must include the user’s manual with the appropriate installation and operations requirements for the installers and operators. Our operating software, residing in the host system, will not permit use of any 802.11 channels that fall inside the 5600-5650 MHz sub-band (i.e. channels 120 – 128). The closest operational channels either side of this band are 116 (5580MHz) and 132 (5560MHz) for 20MHz channels and 110 (5550MHz) and 134 (5570MHz) for 40MHz channels. The test report filed for the NII application includes test data showing that the 20dB bandwidth for these channels falls outside the 5600-5650MHz band. Software control mechanisms to ensure that the DFS features cannot be disabled, that the device is limited to operating only on the allowed channels (i.e. those covered by the DTS and NII filings for the individual modules) and to maintain compliance with FCC rules for output power are detailed in a separate letter submitted as part of the Operational Description.

Page 1 of 2 FCC To whom it may concern: The enclosed documents constitute a formal submittal and application for Equipment Authorization for a limited modular approval for a 3x3 MIMO 802.11abgn WLAN device pursuant to the following rules: Subpart C of Part 15 of FCC Rules (CFR 47) Subpart E of Part 15 of FCC Rules (CFR 47), UNII Devices Approval for the module will be limited to installation in host systems manufactured by the applicant. The applicant is requesting that the grant notes allow co-location of multiple modules within a single host. At this time they are requesting co-location of up to 8 modules in the same host system. RF exposure concerns related to multiple, co-located modules are addressed in the MPE calculation. Compliance with power limits for the host system when operating with multiple radios in the same band is explained in the operational description exhibits, which explain how the host system controls the modules to ensure no two modules operate on the same (or overlapping) channels and reduce output power in the 5150-5250, 5250-5350 and 5470-5725 MHz to remain compliant with both the maximum eirp and maximum output power limits in those bands. Operation in the 2.4GHz and 5.8GHz bands under 15.247 allows for a total eirp of no more than 4W and an output power of less than 1W. With all available channels in use in those bands these limits are not exceeded given the power ratings of the module. Elliott Laboratories, as duly authorized agent prepared this submittal. A copy of the letter of our appointment as agent is included with the application. If there are any questions or if further information is needed, please contact Elliott Laboratories for assistance. Given that the modules do not have shielding it is understood that the addition of new host systems will require an evaluation of radiated spurious emissions in that specific host. This application covers use of the modules in the Xirrus XR4820 and XR4420 host systems. These systems use the same enclosure and differ in the number of modules they have installed (8 modules in the XR4820 and 4 modules in the XR4420). As this is a master device it is further understood that DFS testing in each host system will need to be evaluated and submitted through the FCC for approval. Page 2 of 2 A depopulated version of the same device offering 2x2 MIMO capabilities is currently undergoing testing and co-location of the 2x2 and 3x3 modules in the same host system will be covered by the application for the 2x2 module when submitted. DFS expedite service will be requested for the 2x2 module given the similarities in operation and design between the two modules. Sincerely, Mark Briggs Staff Engineer

July 27, 2011 FCC ID: SK6XI-N300, SK6XI-N450 Dear Examiner: I am writing to avoid the possibility of an inadvertent disclosure of proprietary information. The accompanying Form 731 is being filed with the commission on our behalf by Elliott Laboratories, Inc., a consulting and testing laboratory. Included as exhibits with the enclosed application are block diagrams, schematics, and a detailed description of the theory of operation of the device. It is our intention to provide Elliott TCB and the commission with a full disclosure of our product so that its merits can be evaluated. Indeed, we are pleased to provide any further information that the commission might wish to see. It is not our intention, however, to make our proprietary process a matter of public record. In view of the fact that the block diagrams, schematics, and associated theory of operation disclose the mechanism of our process, we ask that these portions (block diagrams, schematics, and theory of operation) of our application be withheld from public inspection as provided under FCC section 0.457(d) and 0.459. These documents contain details of the proprietary operation of product. These details are not readily discernible - even to technically sophisticated individuals - from our hardware and constitute trade secrets. We request therefore that these documents be segregated from the body of our evaluation report and withheld from public inspection. Thank you for your attention. Please let the undersigned know if Elliott TCB or the Commission disagrees with our position or requires further justification. Sincerely, Steven L. Smith VP Hardware Engineering

DIELINE DOES NOT PRINT CALLOUT DOES NOT PRINT TEXT IS BLACK 2101 Corporate Center Drive, Thousand Oaks, CA 91320 USA REVScale: Drawing No. Name: Drawn: Checked: Material: Date:Title: Part No. Sheet: Finish: Size: LABEL, COMPLIANCE, RADIO, SINGLE 802.11N, ATHEROS AR9390, 3X3 PCIE, HIGH POWER 830-0289-002 07/13/11 A Ian Laity Ian Laity 835-0289-002 1:1 A 1of 1 White Polyester (UL Listed), .002 THK, .001 Matte Laminate, Permanent Adhesive Matte 830-0289-002_A XIRRUS MODEL NO: XI-N450 FCC REG ID - SK6XI-N450 IC: 5428A-XIN450 1.250 1.00 REVISION: REV A: INITIAL RELEASE MATERIAL: SEE TITLE BLOCK

1 1 2 1 1 NOTES: 1 INSTALL ITEM #2 (LABEL) ONTO ITEM # 1 (PCBA) AS INDICATED. REVISIONS ZONEREV.DESCRIPTIONDATEAPPROVED AINITIAL RELEASE7/13/11I. LAITY ITEM NO.PartNoDESCRIPTIONQTY. 1100-0119-002 PCBA, RADIO BOARD, SINGLE 802.11N, ATHEROS AR9390, 3X3 PCIE, HIGH POWER 1 2830-0289-001LABEL, COMPLIANCE, RADIO, MERLIN, FCC-IC, XR1 D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 Radio Label Assembly -002 SHEET 1 OF 1 1/1/2010 1/1/2010 I. LAITY I. LAITY UNLESS OTHERWISE SPECIFIED: SCALE: 1:1 REV DWG. NO. B SIZE TITLE: NAME DATE COMMENTS: Q.A. MFG APPR. ENG APPR. CHECKED DRAWN FINISH MATERIAL DIMENSIONS ARE IN INCHES TOLERANCES: FRACTIONAL 1/4 ANGULAR: MACH 1/4 BEND 1/4 TWO PLACE DECIMAL .015 THREE PLACE DECIMAL .005 THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF XIRRUS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF XIRRUS IS PROHIBITED. DO NOT SCALE DRAWING PROPRIETARY AND CONFIDENTIAL INTERPRET GEOMETRIC TOLERANCING PER ASME Y14.5M 2101 CORPORATE CENTER DRIVE, THOUSAND OAKS, CA 91320 A PART NO.

DIELINE DOES NOT PRINT CALLOUT DOES NOT PRINT TEXT IS BLACK 2101 Corporate Center Drive, Thousand Oaks, CA 91320 USA REVScale: Drawing No. Name: Drawn: Checked: Material: Date:Title: Part No. Sheet: Finish: Size: LABEL, COMPLIANCE, RADIO, SINGLE 802.11N, ATHEROS AR9390, 3X3 PCIE, HIGH POWER 830-0289-002 07/13/11 A Ian Laity Ian Laity 835-0289-002 1:1 A 1of 1 White Polyester (UL Listed), .002 THK, .001 Matte Laminate, Permanent Adhesive Matte 830-0289-002_A XIRRUS MODEL NO: XI-N450 FCC ID: SK6XI-N450 IC: 5428A-XIN450 1.250 1.00 REVISION: REV A: INITIAL RELEASE MATERIAL: SEE TITLE BLOCK

Page 1 of 1 2101 Corporate Center Dr 805.497.0955 Thousand Oaks, CA 91320 www.xirrus.com 805.449.1180 Fax OPERATIONAL DESCRIPTION – ADDENDUM (3x3 Radio Module) The following describes the software control used to ensure output power remains below the appropriate output power and eirp limits when multiple modules, co-located in the same host system, are operating in the same bands. The system software monitors the output power of each radio to control output power in each band. It also monitors the operating frequencies of each radio to ensure only non- overlapping channels are used, blocking access to any channels (5GHz bands) or overlapping channels (2.4GHz band) already being used by a radio. When more than one radio is operational in the 5150- 5250 MHz band then the maximum output power of each radio is reduced to ensure that the total power in the band remains below 17dBm and the eirp remains below 23dBm. For MIMO modes the output power is set to the lower of the maximum rated power or 14dBm – 10Log (N), where N is the numbe…

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