Cisco Systems OL-9977-05 manual Installation Guidelines, Site Surveys

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Chapter 2 Mounting Instructions

Installation Guidelines

C i s c o C o n f i d e n t i a l - D r a ft 1

For a radiated test bed, the following equation describes the relationships among transmit power, antenna gain, attenuation, and receiver sensitivity:

txpwr + tx gain + rx gain - [attenuation due to antenna spacing] < max rx input level Where:

txpwr = Radio transmit power level tx gain = transmitter antenna gain rx gain = receiver antenna gain

For a conducted test bed, the following equation describes the relationships among transmit power, antenna gain, and receiver sensitivity:

txpwr - [attenuation due to coaxial components] < max rx input level

Caution Under no circumstances should you connect the antenna port from one access point to the antenna port of another access point without using an RF attenuator. If you connect antenna ports you must not exceed the maximum survivable receive level of 0 dBm. Never exceed 0 dBm or damage to the access point can occur. Using attenuators, combiners, and splitters having a total of at least 60 dB of attenuation ensures that the receiver is not damaged and PER performance is not degraded.

Installation Guidelines

Because the access point is a radio device, it is susceptible to common causes of interference that can reduce throughput and range. Follow these basic guidelines to ensure the best possible performance:

•For information on planning and initially configuring your Cisco Mesh network, refer to the Deployment Guide: Cisco Mesh Networking Solution.

•Perform a site survey before beginning the installation.

•Install the access point in an area where structures, trees, or hills do not obstruct radio signals to and from the access point.

•The access points can be installed at any height, but best throughput is achieved when all the access points are mounted at the same height.

Note Cisco recommends installing the access points no higher than 40 feet to allow support for wireless clients on the ground.

Note To calculate path loss and to determine how far apart to install access points, consult an RF planning expert.

Site Surveys

Every network application is a unique installation. Before installing multiple access points, you should perform a site survey to determine the optimum use of networking components and to maximize range, coverage, and network performance.

Consider the following operating and environmental conditions when performing a site survey:

•Data rates—Sensitivity and range are inversely proportional to data bit rates. The maximum radio range is achieved at the lowest workable data rate. A decrease in receiver sensitivity occurs as the radio data increases.

Cisco Aironet 1500 Series Outdoor Mesh Access Point Hardware Installation Guide

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Contents Americas Headquarters Page N T E N T S Mesh Network English Translation B-5 OL-9977-05 Audience PrefaceObjectives OrganizationConventions Bewaar Deze InstructiesSäilytä Nämä Ohjeet Guarde Estas Instruções GEM Disse Anvisninger Viii Related Publications Obtaining DocumentationCisco.com Documentation FeedbackCisco Product Security Overview Product Documentation DVD Ordering DocumentationReporting Security Problems in Cisco Products Product Alerts and Field NoticesObtaining Technical Assistance Cisco Support WebsiteSubmitting a Service Request Finding the Product Serial NumberDefinitions of Service Request Severity Obtaining Additional Publications and InformationPreface Obtaining Additional Publications and Information Xvi Hardware Features, Network Configuration Examples, OverviewHardware Features Access Point ConnectorsExternal Antennas ConnectorsSingle or Dual Radio Operation Multiple Power Sources Part Number Model Gain dBiEthernet Port Optional Hardware Network Configuration ExamplesMetal Enclosure Wireless Backhaul Point-to-Point BridgingPoint-to-Multipoint Bridging Mesh NetworkTypical Mesh Configuration Using Access Points Typical Layer 3 Access Point Network Configuration Example Layer 2 and Layer 3 Network OperationTypical Layer 2 Access Point Network Configuration Example OL-9977-05 Mounting Instructions Tools and Materials Unpacking the Access PointPackage Contents Safety Information FCC Safety Compliance Statement Safety PrecautionsAvoiding Damage to Radios in a Testing Environment Installation Guidelines Site SurveysBefore Beginning the Installation Becoming Familiar with Access Point Installation ComponentsComponents in a Typical Access Point Installation Streetlight Power Tap Adapter Installation Enabling Zero Touch Configuration on the Controller Choose Security MAC Filtering NewInstallation Options Mounting the Access PointConfiguring a RAP Access Point Mounting Orientations Preferred Horizontal Orientation 5illustrates the access point vertical orientation Access Point Mounting Plate and Carriage Bolts Roof-Overhang Installation Mounting Plate Screw Hole LocationsMounting the Access Point on a Pole Adjustment Plate Attached to the Mounting Plate Pole Clamp and Clamp Adjustment Plate Mounted on a Pole 10 Access Point Attached to the Pole Clamp Grounding the Access Point Streetlight Pole InstallationsS c o C o n f i d e n t i a l D r a ft 11 Using the Streetlight Power Tap Adapter What to Do Next Troubleshooting Guidelines for Using the Access Points Controller MAC Filter ListMisconfigured Mesh Access Point IP address Using Dhcp OptionMisconfigured Bridge Shared Secret Key Access Point Power Verifying Controller AssociationTranslated Safety Warnings OL-9977-05 Declarations of Conformity Regulatory Information For Home or Office USE Vcci Statement for Japan Industry Canada Canadian Compliance StatementDeclaration of Conformity for RF Exposure Chinese TranslationEnglish Translation Operation of Cisco Aironet Access Points in Brazil Access Point ModelsAccess Point Specifications CCKANSI/IEEE C62.41 Channels and Power Levels OL-9977-05 Connector Pinouts Pin Number Signal NameVDC power + Priming Access Points Prior to Deployment Figure F-1 Typical Priming ConfigurationAppendix F Priming Access Points Prior to Deployment Appendix F Priming Access Points Prior to Deployment OL-9977-05 Configuring Dhcp Option Access Point Vendor Class Identifier VCI OverviewConfiguring Option 43 for 1000 Series Access Points Quotation marks must be includedType + Length + Value Configuring Option 43 for 1500 Series Access Points OL-9977-05 D E IN-2 IN-3 IN-4

OL-9977-05 specifications

Cisco Systems OL-9977-05 is a pivotal reference guide that caters to networking professionals seeking an in-depth understanding of Cisco's infrastructure and certification processes. It encapsulates the essence of modern networking technologies, emphasizing the importance of robust, scalable, and secure network architectures.

One of the primary features of the OL-9977-05 document is its comprehensive overview of Cisco's routing and switching technologies. It covers essential protocols such as OSPF, EIGRP, and BGP, explaining how these dynamic routing protocols contribute to efficient data transmission across diverse networks. Cisco’s focus on interoperability ensures that various systems can communicate smoothly, a critical characteristic in today’s multi-vendor environments.

Security is a cornerstone of Cisco's offerings, and OL-9977-05 delves into advanced security frameworks, including the implementation of firewalls, intrusion prevention systems, and VPNs. It emphasizes the significance of securing both physical and virtual network components to thwart cyber threats. The documentation highlights Cisco's security technologies, such as Cisco Umbrella and Cisco SecureX, providing insights into creating a resilient and secure network.

Another salient feature of the OL-9977-05 is its focus on emerging technologies like software-defined networking (SDN) and network function virtualization (NFV). These technologies represent a paradigm shift in how networks are designed and managed, allowing for more flexible, efficient, and programmable network resources. The guide explores Cisco's innovations in these areas, such as the Cisco ACI and Cisco DevNet, which facilitate the automation and orchestration of network services.

Collaboration and communication tools are also well-covered within the document, highlighting Cisco’s Unified Communications solutions. These tools enhance productivity by enabling seamless communication across various platforms and devices. The integration of cloud services further extends the capabilities of these solutions, aligning with modern business needs.

In conclusion, Cisco Systems OL-9977-05 serves as an essential resource for networking professionals. Its focus on advanced routing and switching, robust security protocols, cutting-edge technologies like SDN and NFV, and collaboration tools provides a holistic view of Cisco's network solutions. This documentation not only supports Cisco certification preparation but also serves as a valuable reference for real-world networking scenarios, ensuring that professionals are well-equipped to tackle the challenges of contemporary network management.
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