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Cisco aironet 2800 series Deployment Manual
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Cisco aironet 2800 series Deployment Manual

Cisco aironet 2800 series Deployment Manual

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Cisco Aironet Series 2800/3800 Access Point Deployment Guide
First Published: 2016-05-11
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883

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  • Page 1 Cisco Aironet Series 2800/3800 Access Point Deployment Guide First Published: 2016-05-11 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883...
  • Page 2 Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks . Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company.

  • Page 3: Table Of Contents

    Flexible Radio Architecture (FRA) System Client Roaming in a Micro and Macro Cell C H A P T E R 5 Understanding Macro and Micro Cells Client Roaming from a Macro to Micro Cell Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 4 C H A P T E R 1 1 Related References C H A P T E R 1 2 Previous Deployment Guides Frequently Asked Questions (FAQ's) C H A P T E R 1 3 Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 5: Overview

    C H A P T E R Overview This document covers the Cisco 2800/3800 Series Access Points theory of operation and installation as part of a Cisco wireless LAN (WLAN) solution. Subjects related include: • Choosing the right access point, part numbers and descriptions •...
  • Page 6 Overview Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 7: Choosing The Right Access Point

    Modularity and Smart Antenna Connector Ports , page 10 Models The Cisco 2800 and 3800 Series Access Points target customers requiring support for mission-critical and best in class applications. The 2800/3800 embodies ClientLink 4.0, an innovative antenna technology comprising four transmit radios and four receive radios called 4x4 in a Multiple Input Multiple Output (MIMO) configuration and supporting three spatial streams (3SS), together referenced as 4x4:3.

  • Page 8: Part Numbers And Descriptions

    AIR-AP3802I-xK910 10 pack; Internal Antenna Model AIR-AP3802E-x-K9 Single Unit; External Antenna Model AIR-AP3802E-xK910 10 pack; External Antenna Model AIR-AP3802I-x-K9C Single Unit; Internal Antenna Model; Configurable AIR-AP3802I-xK910C 10 pack; Internal Antenna Model; Configurable Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 9: Supported Code Versions Compatible With Ap 2800 And Ap 3800

    Differences between the AP 2800 and AP 3800 Access Points The mechanical front of the AP 2800 and AP 3800 are nearly identical in physical appearance. Figure 2: AP 2800 and AP 3800 (I and E) versions Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 10: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    There are slight differences in the weight and thickness of the 2800 and 3800. The AP 3800 is a bit more robust as it has support for mGig (NBASE-T) and optional module support. AP 2800 on left is smooth and does not have heat fins. Figure 4: AP 2800/3800 Dimensions Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 11: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    The weight is slightly different between the models.AP 3800 both “E” and “P” versions as well as the Note 2800e is 2.1 kg.AP 3800i is 2.0 kg. AP 2800i is 1.6 kg. Both products use the same brackets as 2700/3700 2700/3700 Series Access Points–AIR-AP-BRACKET1 and AIR-AP-BRACKET-2. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 12: Feature Differences

    Choosing the Right Access Point Feature Differences Feature Differences Here is a basic feature comparison: Figure 6: Feature comparisons of 2800 and 3800 series Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 13: Ports On The Ap 2800 And Ap 3800

    The AP 3800 has a local power supply jack on the right; This is a new style connector and is not compatible with the older AIR-PWR-B power supplies used with the AP 2700 and AP 3700 series. For more on this connector, see the AP 2800 and AP 3800 Powering Options for details. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 14: Modularity And Smart Antenna Connector Ports

    3600 and AP 3700 series. This module design allows for installation onto the side of the access point. This allows for larger antenna arrays and does not constrict the development of Cisco and potentially third party modules as they are no longer limited by the physical size of the cccess point. Additionally, filtering is installed on the AP 3800 for cellular and other radio coexistence.

  • Page 15: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    When a smart antenna connector is installed, the XOR radio (the radio that is defined in software as Radio 0) now has its RF switched to the smart antenna connector. Figure 10: External connector ports on AP 2800e and 3800e Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 16: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    Choosing the Right Access Point Modularity and Smart Antenna Connector Ports Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 17: Physical Hardware And Mounting Options

    There are many different installation options available depending upon the business requirements. Brackets are available from Cisco as well as third-party companies. During the ordering process, the customer may choose one of two brackets (but not both). Each bracket is a zero-dollar ($0) option at the time of configuration.

  • Page 18: Channel Rail Adapters

    When mounting APs to ceiling channel rails such as the ones shown in Figure 14, an optional channel adapter is used: AIR-CHNL-ADAPTER. It comes in a two-pack and attaches to the ceiling grid clip above. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 19: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    Thin rail or sometimes referred to as recessed ceiling rails often look like as shown. Figure 13: Example of a recessed ceiling rail system Figure 14: Example of Channel Rails used on thin rail (recessed rail) ceilings Figure 15: AIR-CHNL-ADAPTER (left) Slides onto the Rails Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 20: Mounting An Ap Directly Into The Tile Using Optional Air-Ap-Bracket-3

    If you have this bracket currently installed and are migrating to the newer AP 2800 and AP 3800 series, you may be able to still use the existing tile and leverage the new in-tile mount available from Oberon Wireless (a Cisco partner). Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 21: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    Many hospitals and other carpeted Enterprise environments prefer a more streamlined look and wish to install the AP directly into the tile. This can be done on prior Cisco AP products using the optional Cisco AIR-AP-BRACKET-3.

  • Page 22: Using An In-Tile Mount From Oberon Wireless

    360–degree coverage may be compromised by the wall. If the wall is an outside wall and/or the goal is to send the signal in a 180-degree pattern instead, a directional antenna often Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 23 AP 2800e or AP 3800e (with dipoles pointing vertical). Figure 19: Correct orientation of dipole antennas when mounted on a vertical surface Figure 20: Avoid wall mounting units with internal antennas Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 24: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    Physical Hardware and Mounting Options Wall-mounting the AP Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 25: Changing The Color Of An Ap

    If there is a desire to change the color of an AP, rather than painting the AP which would void the warranty, consider using colored vinyl tape or using a colored plastic cover from Oberon. Figure 22: Third-party option for changing AP color, adding custom Logo, or hiding the LED Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 26: Clean Rooms (Healthcare)

    Many hospitals and factories have requirements to wipe down or gently spray the environment with a chemical (often diluted liquid that has cleaning / disinfectant properties). The Cisco AP 2800 and AP 3800 are designed with a purpose–build Wi-Fi chipset using Enterprise and industrial class components. This enables the AP enclosure to have a Plenum rating and is vent-less, so the unit is ideal for these types of applications.

  • Page 27: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    Figure 25: Oberon Model 1045- Above ceiling hanger kit - this includes a hanger bar and wire, and a light pipe that can be pressed through the ceiling tile so you can see the status LED from below, without lifting ceiling tile Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 28: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    Always try to mount the AP as close to the inside middle of the tile as possible, and avoid areas with obstructions. Figure 26: Installing AP above ceiling tiles: Pick an area clear of obstructions, avoid ceiling clutter Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 29: Understanding Flexible Radio Assignment (Software Overview)

    The flexible radio is similar to the previous XOR radio used in the Cisco WSSI/WSM modules for the AP 3700, but this new flexible radio module is able to be configured to serve clients in either 2.4-GHz or 5–GHz or serially scan both 2.4-GHz and 5–GHz on the flexible radio while the main 5–GHz radio serves clients.

  • Page 30: Flexible Radio Architecture (Fra) System

    When using FRA with external antenna ("E/P" models) the antennas may be placed to enable the creation of two completely separate Macro (wide area cells) or two Micro cells (small cells) for HDX or any combination. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 31: Client Roaming In A Micro And Macro Cell

    This results in non-linear traffic and increases the overall channel utilization as clients compete for "airtime". Figure 28: Single 5 GHz and 2.4 GHz cell (default mode) Channel Utilization at 60% Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 32: Cisco Aironet Series 2800/3800 Access Point Deployment Guide

    Net result, channel utilization is now reduced to 20% on channel 36 and 24% on channel 108. Currently both Macro (green) and Micro (yellow) cells use the same SSID by design; later releases will likely allow for different SSIDs. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 33: Client Roaming From A Macro To Micro Cell

    Micro cell -65 dBm by default. This is also configurable by user CLI. If the client supports 802.11v - on association, the AP will send an 11v BSS Transition request with the Macro cell BSSID as the only candidate. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 34: Micro And Macro Cells On "I" Series Access Points

    2.4–GHz and automatically switches to another set of four Micro cell antennas. This is done because two 5–GHz radios cannot share the same antennas. The Micro cell 5–GHz antennas are designed to co-exist in the near field of the Macro cell antennas with the following caveats. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 35 1 Channels must not be closer than 100–MHz (RRM prevents this). 2 The Micro cell antennas are horizontal polarity and higher gain to create a smaller cell foot print. 3 RF output power on the Micro cell is significantly reduced. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 36 Figure 32: Picture of the embedded antenna system and 3D antenna heat maps Figure 33: Smith chart comparing radiation patterns of Macro and Micro cell antennas Figure 34: Smith chart radiation pattern of 2.4 GHz 4 dBi Macro cell antenna Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 37: Rf Operations On "E/P" Series Access Points

    RF connectors as well as digital via a new smart antenna connector. Figure 35: Smart antenna connector is an integrated feature of the "E/P" series products Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 38 DRE operation. The ability to change the antenna controls (sending different bands 2.4 GHz and 5 GHz out of different ports in SRE and/or DRE mode) is sometimes referred to as Cisco "Flexport" and was first introduced in the AP-1530 series.
  • Page 39 The role of the XOR radio is selected in software, and the modes are Band, Client Serving or Monitor mode. This can be set manually or automatically if RRM control is desired. Figure 37: FRA (XOR) radio defaults to 2.4 GHz Client serving but is selectable in software Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 40 RF system on the FRA (XOR) radio will now use the four external RP-TNC connectors for a wide variety of application deployments. Figure 39: Cisco Smart Antenna Adapter AIR-CAB002-DART-R Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 41 5 GHz on a completely different set of antennas, and that is also possible. Figure 40: Smart antenna cable adapter and the Cisco external Omni antenna Since both sets of antennae can be physically spaced apart, many new RF design opportunities become available allowing for many different types of new and unique installations.
  • Page 42 5 Any combination of Micro/Macro can be used as long as physical isolation exists 6 SSIDs must be the same (this may change in later releases) Figure 41: Example using "E/P" version to create two macro cells can be supported Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 43: Approved Antennas For Use With Access Points 2800 And 3800

    The above list is the approved antennas for use in the US Theater using the FCC –B domain.The new –B products allow for outdoor use provided the correct antenna is used. Customers should avoid using UNII-1 band outdoors in the US unless the –P version is used. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 44 Approved Antennas for Use with Access Points 2800 and 3800 Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 45: Ap 2800 And Ap 3800 Powering Options

    Later PoE standards have since emerged with 802.3at providing up to 30 Watts at the Power Sourcing Equipment (PSE). Many of Cisco's previous access points such as the AP-1850 and AP-3700 worked best with the higher power sources 802.3at and PoE+ but would function with "reduced functionality" if powered by the older 802.3af 15.4W powering systems.
  • Page 46 • IEEE 802.3at PoE mechanism that supplies up to 30W (2009)* • UPoE Cisco method of Universal Power over Ethernet that supplies power up to 60W (2014)* The * indicates these are approximate dates and PoE is defined as the maximum power required at the Note source.
  • Page 47 Figure 44: AP 2800 and AP 3800 requires an 802.3at or better PoE source If an 802.3at or better power source is not available, the following Cisco mid-span injectors may be used. Figure 45: Low cost 802.3at GbE injector for AP 2800 and AP 3800 (if mGig is not required)
  • Page 48 AP 2800 and AP 3800 Powering Options An additional mid-span injector capable of 802.3bz (known as mGig / N-BASE-T). Figure 46: Planned Mid-Span Injector Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 49 AP 2800 and AP 3800 Powering Options The Cisco AP 2800 does not support a local power supply; however the AP 3800 does have a new high Note wattage supply that can be used in applications where a PoE source is unavailable.
  • Page 50 AP 2800 and AP 3800 Powering Options Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 51: Ap 3800 And Multigigabit Ethernet (Mgig)

    Although the AP 2800 does not directly support mGig, these are ideal switches for providing the power Note required by the AP 2800 as well. Here are the recommended mGig switches and PoE solutions for the AP 3800 . Figure 49: Cisco line of mGig capable switches Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 52 Ideally a switch supporting IEEE 802.3bz (mGig, which is also referred to as N-BASET) will deliver the fastest Ethernet using older cable systems such as CAT-5 and deliver +30W for newer PoE devices. Figure 50: Cisco Multigigabit enables speeds over 1G on conventional CAT5e cable systems In regards to cabling structure and Cisco Multigigabit Ethernet: 1 Data rates up to 1G requires 62.5–MHz bandwidth (Cat 5e is 100 MHz)
  • Page 53 30-50m or below when using dense cable bundles; for example, cables in a dense area like a pipe or places where five or more cables are tied in a bundle. Figure 52: Cisco Multigigabit distance limitations Figure 53: Cisco Multigigabit distance limitations Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 54 AP 3800 and Multigigabit Ethernet (mGig) Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 55: New-B Regulatory Domain For Us Theater

    • New power spectral density and above/below band edge emissions requirements for U-NII3 (5.725-5.85 GHz) Figure 54: Spectrum chart depicting new channels in the -B domain Cisco is aggressively implementing this new FCC order: • Cisco WLAN products will comply with new FCC rules Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 56 /www.cisco.com/go/aironet/compliance • Not all regulatory domains have been approved. As they are approved, the part numbers will be available on the Global Price List. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 57: Stadium And Harsh Environments

    Customers wishing to install the AP in harsh environments where it may be exposed to weather, such as stadiums, sporting areas, open garden areas or warehouse freezers, may wish to use a NEMA type enclosure. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 58 This seems to vary with regard to weather radar compliance and often UNII-1 compliance. Check with your Cisco account team or the communications regulatory agency that has jurisdiction in your part of the world.

  • Page 59: Areas With High Vibration

    If the access point is installed using a "side arm" type mount or other mounting locations where there is a likelihood of high vibration, it is recommended that a padlock or metal pin be used to prevent the AP from vibrating loose from the bracket. Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 60 Areas with High Vibration Figure 56: Metallic Parts Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 61: Related References

    8-1/1850_DG/b_Cisco_Aironet_Series_1850_Access_Point_Deployment_Guide.html • Understanding Stadium, Warehouse, Factory and other RF theory such as Spatial Streams Data rates: http://www.cisco.com/c/en/us/td/docs/wireless/technology/apdeploy/8-0/Cisco_Aironet_3700AP.html • Understanding mGig: ◦http://blogs.cisco.com/enterprise/ introducing-cisco-catalyst-multigigabit-technology-to-future-proof-your-network-for-802-11ac-wave-2 ◦http://www.cisco.com/c/en/us/solutions/enterprise-networks/catalyst-multigigabit-switching/ index.html ◦http://www.cisco.com/c/dam/en/us/products/collateral/switches/catalyst-4500-series-switches/ at-a-glance-c45-733656.pdf • mGig FAQ: http://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise-networks/ catalyst-multigigabit-switching/multigigabit-ethernet-technology.pdf Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 62 Related References Previous Deployment Guides Cisco Aironet Series 2800/3800 Access Point Deployment Guide...

  • Page 63: Frequently Asked Questions (Faq's)

    ◦ One radio can be set up for HDX Micro cell and second radio setup for a Macro cell ◦ Both radios can be configured for HDX type coverage ( Micro / Micro ) cell Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 64 Spor-Klenz-Ready-To-Use-Cold-Sterilant.aspx 7 Looking at the specification sheets, I noticed the Cisco AP 1850 supports 4x4:4 and the AP 2800/3800 supports 4x4:3. Why does the AP 1850 support one more spatial stream? How does this help me? Cisco Aironet Series 2800/3800 Access Point Deployment Guide...
  • Page 65 Frequently Asked Questions (FAQ's) When designing the AP 2800 and AP 3800 Cisco wanted to bring the very best technology into the device. A trade-off was made to support dual 5–GHz 160 MHz rather than the extra spatial stream, as the additional spatial stream provides little real benefit.
  • Page 66 Customers should be discouraged from running legacy TKIP as that feature has been deprecated by the Wi-Fi Alliance. Cisco understands there are healthcare customers using legacy equipment with a need for TKIP support. The 1830, 1850, 2800 and 3800 does not currently support TKIP but there are plans to support it in the 8.3MR1 release.

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