Cisco Aironet 1600 Deployment Manual
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Cisco Aironet 1600 Deployment Manual

Cisco Aironet 1600 Deployment Manual

Cisco aironet 1600/2600/3600 series access point
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Cisco Aironet 1600/2600/3600 Series Access
Point Deployment Guide
Cisco Systems, Inc.
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Summary of Contents for Cisco Aironet 1600

  • Page 1 Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide Cisco Systems, Inc. www.cisco.com...
  • Page 2 Abstract Abstract This document covers the theory of operation and installation for Cisco 2600 and 3600 Series Access Points (APs), as part of a Cisco wireless LAN (WLAN) solution. Subjects include: AP 1600, 2600, and 3600 • Differences between the AP 3600 and the AP 3500 •...

  • Page 3: Table Of Contents

    Clients That Support Three Spatial Streams – Beamforming in ClientLink 1.0 and 2.0 – Site Survey Considerations • General Guidelines • Examples of Improper Installations • Questions and Answers • Useful URLs • Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 4 Cisco Aironet Series Access Points Cisco Aironet Series Access Points Cisco Aironet 3600, 2600, 1600, and 600 Series Access Points (APs) provide highly secure and reliable wireless connections for both indoor and outdoor environments. Figure 1 illustrates the product portfolio, which ranges from the entry-level 600 Series for basic connectivity to the 3600 Series for best-in-class performance.
  • Page 5 Cisco Aironet Series Access Points Figure 2 AP 3600 Models and Eco-Packs Figure 3 AP 2600 Models and Eco-Packs Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 6 80 MHz, 256 QAM. It also supports Explicit Beamforming per the 802.11ac standard. Use of the radio module may require a local power supply, Cisco power injector, .3at PoE+, or use of the Cisco Enhanced PoE because the module may draw power greater than 15.4W.

  • Page 7: Comparison Of The 3600 And 3500 Series

    Comparison of the 3600 and 3500 Series The AP 3600i (internal antenna model) and the Cisco 3500 Series Access Point (AP 3500) are almost identical in physical appearance. To easily distinguish them, note that the LED for the AP 3500 is square, while the AP 3600i has an LED that is slightly larger and more oval.
  • Page 8 While the AP 3600i has a little more depth, it is completely backward compatible with the mounting brackets for the existing Cisco Aironet 1040 Series Access Point (AP 1040), 1140 Series Access Point (AP 1140), 1260 Series Access Point (AP 1260), and the AP 3500.

  • Page 9: Comparison Of The 3600 And 2600 Series

    2.4 GHz band. The AP3600 and the AP2600 are the same size, but it is easy to identify each one by noting whether the Cisco logo has an embossed frame (AP 3600) or not (AP 2600). (See Figure...
  • Page 10 Cisco Aironet Series Access Points Figure 9 Front View of the AP2600 and the AP 3600 Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 11 Figure 10 Back View of the AP 2600 Because of these similarities, there is no need to repeat a site survey for the AP 2600 if a survey exists for the AP 3600. Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 12: Introduction To The 1600 Series

    • Cisco CleanAir Express Cisco CleanAir Express technology is enabled on the advanced silicon design of the AP 1600. With CleanAir Express, the AP 1600 has the ability to effectively detect RF interference, identify the source, locate it on a map, and make automatic adjustments to optimize wireless coverage. With CleanAir Express technology, organizations have a basic spectrum analysis capability to support their wireless networks while simplifying ongoing operations.

  • Page 13: Comparison Of Indoor Access Points

    Comparison of CleanAir Features in the 1600/2600/3600 Series Comparison of Indoor Access Points A comparison of the indoor access points for the 3600/2600/1600/600 Series is shown in Figure Figure 13 Comparison of the 3600/2600/1600/600 Series Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 14: Hardware And Mounting Options

    There are many different installation options available depending upon the requirements of the customer. Brackets are available from Cisco as well as third-party companies. When ordering, the customer may choose either a low-profile or a universal bracket; both are shown in Figure 15.

  • Page 15: Channel Rail Adapters

    The AIR-CHNL-ADAPTER comes in a two-pack, slides onto the channel rails, and attaches to the ceiling grid clips described above. Figure 18 Figure 19 show the channel rails, channel adapter, ceiling grid clip, and finished installation. Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 16 Hardware and Mounting Options Figure 17 Channel Rails Figure 18 AIR-CHNL-ADAPTER (left); Channel Rails (right) Figure 19 AIR-CHNL-ADAPTER and Ceiling Grid Clip (left); Finished Installation (right) Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 17: Installation In Ceiling Tiles

    Optional AIR-AP-BRACKET-3 for Installation of APs into Ceiling Tiles Use the “beauty ring” as a template to cut the tile. Cisco does not offer custom cut tiles but the tiles are easy to cut with a carpet knife or electric tool such as the Dremel™ or Rotozip™ rotary cutting tool.
  • Page 18 21.) Use this Oberon bracket unless you have a hotspot, kiosk, or small venue scenario and roaming is not an issue. Figure 21 Vertical (Up/Down) Antennas on a Wall-Mounted AP (Left); Oberon Wall Mount Bracket (Center, Right) Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 19: Color

    To change the color of an AP, use colored vinyl tape or purchase a colored plastic cover from Oberon (see Figure 22). The Oberon cover can also be used to hide the Cisco logo or hide the LED. Do not paint the AP, since that voids the warranty. Figure 22...

  • Page 20: Above Ceiling Tiles

    T-Bar hangar accessories, such as The Erico Caddy 512a or the Cooper B-Line BA50a, can be used for such installations. (See Figure 25.) Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 21 Mount the AP as close to the inside middle of the tile as possible, and avoid areas with obstructions and clutter. (See Figure 26.) Figure 26 Placement of an AP Installation Above Ceiling Tiles Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 22: Stadium And Harsh Environments

    (such as a freezer or garden area) but may prohibit use of those NEMA enclosures outdoors. This seems to vary with weather radar compliance, UNII-1 compliance, and so forth. Check with your local Cisco account team or the communications regulatory agency for your area.

  • Page 23: Warehouse And Factory

    The higher the AP is mounted, the farther the signal must travel. Use pipe and electrical box mounting techniques to lower the AP (external and internal antenna models) so that it is closer to users. (See Figure 29.) Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 24 Unique Installations Figure 29 AP Placement in Warehouse To mount an AP at the end of a pipe or electrical conduit box, use the universal bracket Cisco AIR-APBRACKET- 2, because it mates to the holes of most electrical boxes. (See Figure 30.) Conduit...

  • Page 25: Ethernet Cable Recommendation

    CAT6a because CAT6a cable is required by the 10GE standard. Antenna Cable Recommendation Keep antenna cable runs as short as possible. Cisco offers low loss (LL) and ultralow loss (ULL) cables, which have the same characteristics as Times Microwave LMR-400 and LMR-600.

  • Page 26: Access Point Spacing Recommendations

    ClientLink 2.0 beamforming, the AP 2600 and the AP 3600 are not recommended for deployments on Distributed Antenna Systems (DAS). Note Cisco does not certify, endorse or provide RF support for Wi-Fi deployments over any DAS. Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 27: Elevators

    While Cisco Technical Assistance Center (TAC) and Cisco field teams do not provide support for RF issues that arise in a Cisco WLAN used over a DAS, they do provide support for non-RF related issues in Cisco products according to the customer support agreement with Cisco Systems.
  • Page 28 Do not use single-band antennas unless you choose to disable the other radio band in the AP. For details on all Cisco antennas, see the Cisco Antenna Reference Guide at this URL: http://www.cisco.com/en/US/prod/collateral/wireless/ps7183/ps469/product_data_sheet09186a008008 883b.html You can also individual datasheets at this URL: http://www.cisco.com/en/US/products/hw/wireless/ps469/index.html...
  • Page 29 External Antenna Options and Patterns Figure 32 Specifications for the AIR-ANT2524Dx-R Dual-Band Dipole Antenna Figure 33 Radiation Pattern for the AIR-ANT2524Dx-R Dual-Band Dipole Antenna Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 30 Radiation Pattern for the AIR-ANT2566P4W-R Dual-Band Patch Antenna If the antenna is mounted on a wall, the azimuth (in red) is the signal going forward from the antenna, and the elevation (in blue) is the up/down pattern. Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 31 External Antenna Options and Patterns Figure 36 Specifications for the AIR-ANT2524V4C-R Dual-Band Omni Antenna Figure 37 Radiation Pattern for the AIR-ANT2524V4C-R Dual-Band Omni Antenna Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 32: Ap 3600I, Ap 2600I, And Ap 1600I

    AP 3600i (internal antenna model). Figure 42 Figure 43 show the radiation patterns for the AP 2600i (internal antenna model). Figure 44 Figure 45 show the radiation patterns for the AP 1600i (internal antenna model). Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 33 External Antenna Options and Patterns Figure 40 Radiation Patterns for the AP 3600i @ 2.4 GHz Figure 41 Radiation Patterns for the AP 3600i @ 5 GHz Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 34 External Antenna Options and Patterns Figure 42 Radiation Patterns for the AP 2600i @ 2.4 GHz Figure 43 Radiation Patterns for the AP 2600i @ 5 GHz Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 35: External Antenna Deployments

    External Antenna Deployments All Cisco antenna connectors are labeled A, B, C, and so on. A has a higher priority than B, C, or D; therefore, if the access point supports say three or four antennas and you only have two antennas, use ports A and B until you could install the additional antennas.
  • Page 36 It is possible to support 802.11a/b/g clients or single spatial stream N clients with only one or two antennas. Cisco does not recommend this because there is a significant degradation of performance, and ClientLink functionality is lost. If you choose to use fewer antennas, configure the access point in software to not use the other antennas.
  • Page 37 External Antenna Deployments Figure 46 6 dBi Patch Antenna Figure 47 Port Spacing on the AP 1600 Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 38 If you have a clear path, a patch antenna at the end of an aisle at roughly the same height or just above the (WLAN client) is preferred. (See Figure 49.) Be sure to do a site survey. Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 39 (See Figure 50.) The further away you are from the antenna, the more surface is available, and the better it performs. Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 40: 802.11N, Spatial Streams, And Beamforming

    802.11n. MIMO systems are described by the number of transmitters and receivers in the system. For example, "two by one" or 2x1 refers to a system with two transmitters and one receiver. (See Figure 51.) Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 41 (GI). (See Figure 52.) The MCS values correspond to actual data rates. 2x3:2 means two transmitters, three receivers supporting two spatial streams Note Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 42 The dual-band design of the AP 3600 offers a total of eight transceivers (transmitter/receivers) using only four antennas. (See Figure 53) Four radios are used in each band, 2.4 GHz and 5 GHz. Figure 53 AP 3600: Four Transmitters and Four Receivers per Radio Band Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 43: Clients That Support Three Spatial Streams

    Intel card, try a MacBook Pro or Trendnet adapter. If they perform well, try another notebook with the Intel card or open a case with Intel or the laptop manufacturer for a possible remedy. During the AP 3600 beta trials, Cisco observed differences in performance with different notebooks using the Intel 6300 card.

  • Page 44: Beamforming In Clientlink 1.0 And 2.0

    (for example, a client device). This is referred to as constructive interference. If the opposite happens, and the signals cancel each other out, it is called destructive interference. (See Figure 56.) Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 45 The AP 3600 can beamform to all 802.11a/g and 802.11n one, two, and three spatial stream clients. The signal is x3 as each stream is beamformed. Figure 57 Example of ClientLink Directing the Signal to a Client Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 46: Site Survey Considerations

    1-54 Mbps range. While Cisco always recommends that you survey with the equipment you intend to deploy, an earlier survey done with an AP 3500, for example, would not be invalid for an AP 3600 deployment.
  • Page 47 AP 3600 Site Survey Ranges (Typical Cell Sizes Unchanged; AP 3500 and AP 3600 Cell Sizes Unchanged) Figure 59 Site Survey Sensitivity and SNR The SNR for 3SS is 28 dB, per IEEE, but Cisco RF engineers recommend 30-32 dB for best performance. Note Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 48: General Guidelines

    Figure 61.) Avoid putting all APs on the same channel, and reuse channels if possible. See other Cisco deployment guides for more on this topic. Figure 61 Example of Channel Usage in 2.4 and 5 GHz (Two Channels used if 40 MHz) Try to determine which clients will be used and check the coverage using those clients.

  • Page 49: Examples Of Improper Installations

    3600 can beamform to 802.11n clients, so it is important to understand the data requirements if you mix the AP 1260, 3500, and 3600 in the same areas. While site surveys are generally recommended, if the design is done at half power and Cisco RRM •...
  • Page 50 Examples of Improper Installations Figure 62 Improper Installation: AP near Metal and Clutter Figure 63 Improper Installation — Antennas Against Metal Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...
  • Page 51 This approach is not necessary for indoor mounting. (See Figure 65.) Use Coax-Seal to protect against weather exposure but do not obstruct the drain holes. (See Figure 66.) Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 52: Questions And Answers

    What if I am in a country where the regulatory agency may not approve the AP to be used outdoors because of UNII-1 band restrictions? What if I wish to use higher gain antennas? Cisco Aironet 1600/2600/3600 Series Access Point Deployment Guide...

  • Page 53: Useful Urls

    Useful URLs Consider the Cisco Mesh products (1550 Series) or look for access points ending in “P” (for professional install), such as the 3502P Series or Cisco outdoor bridging products. Which AP is best for high-density deployments? Both the AP 2600 and the AP 3600 have virtually identical AP density for coverage-based design.
  • Page 54 Optimizing Enterprise Video Over Wireless LAN http://www.cisco.com/en/US/prod/collateral/wireless/ps6302/ps8322/ps10315/ps10325/ white_paper_c11-577721.html Cisco 7925 IP Phone deployment guide http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7925g/7_0/english/deployment/guide/ 7925dply.pdf Cisco Mobility Services Engine – WLAN location deployment guide http://www.cisco.com/en/US/products/ps9742/products_tech_note09186a00809d1529.shtml WLAN Design Guide for High Density Client Environments in Higher Education http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps10981/design_guide_c07-693245.pdf Mobility Design Guides http://www.cisco.com/en/US/netsol/ns820/networking_solutions_program_home.html Software support and downloads http://www.cisco.com/tac...

This manual is also suitable for:

Aironet 2600Aironet 3600

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