Cisco AIR-ANT2506 network antenna
Contents
1. 332437 E Plane Pattern H Plane Pattern System Requirements This antenna is compatible with any 2 4 GHz Cisco Aironet radio device with an RP TNC connector Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 78 14722 03 Installation Notes W Installation Notes General Installation Instructions for Mast Mounted Antennas A Caution For outside installations make sure you do not mount the antenna upside down or block the bottom of the antenna at the cable exit The correct mounting position is with the cable pointing down towards the ground so that any moisture will drain through the antenna drain holes The antenna ships with a yellow mounting instruction label temporarily attached to the antenna radome The following instructions are common to most mast mounted installations 1 Assemble your new antenna on the ground at the installation site 2 Attach the antenna to the mast and connect its coaxial cable while you are on the ground 3 Make sure the mast doesn t fall the wrong way should you lose control as you raise or take down the mast Use a durable non conductive rope secured at each two foot level as the mast is raised Have an assistant tend the rope ready to pull the mast clear of any hazards such as power lines should it begin to fall 4 Use the mounting bracket provided with the antenna 5 Ifthe installation will use guy wires a Install guy2. HZ Installation Notes A Caution There may be wires in the wall Make sure you determine the place you intend to drill the hole is clear of any any obstructions or other hazards Pull the cable through the hole and form a drip loop close to where it enters the building Thoroughly waterproof the lead in area Install a static electricity discharge unit enw Oo Connect the lead in cable to the equipment Choosing a Mounting Location Site Selection Step 1 Step 2 A The location of the antenna is important Objects such as metal columns walls etc will reduce efficiency Best performance is achieved when transmit and receive antennas are mounted at the same height and in a direct line of sight with no obstructions If this is not possible and reception is poor you should try different mounting positions to optimize reception The antenna is designed to create an omni directional broadcast pattern To achieve this pattern the antenna should be mounted clear of any obstructions to the sides of the radiating element If the mounting location is on the side of a building or tower the antenna pattern will be degraded on the building or tower side Before attempting to install your antenna think where you can best place the antenna for safety and performance Follow these steps to determine a safe distance from wires power lines and trees Measure the height of your antenna Add this length to the length of y
3. electrical tape are not recommended for sealing outdoor connections Safety Precautions A Warning Installation of this antenna near power lines is dangerous For your safety follow the installation directions Each year hundreds of people are killed or injured when attempting to install an antenna In many of these cases the victim was aware of the danger of electrocution but did not take adequate steps to avoid the hazard For your safety and to help you achieve a good installation please read and follow these safety precautions They may save your life 1 If you are installing an antenna for the first time for your own safety as well as others seek professional assistance Your Cisco sales representative can explain which mounting method to use for the size and type antenna you are about to install 2 Select your installation site with safety as well as performance in mind Remember electric power lines and phone lines look alike For your safety assume that any overhead line can kill you 3 Call your electric power company Tell them your plans and ask them to come look at your proposed installation This is a small inconvenience considering your life is at stake 4 Plan your installation carefully and completely before you begin Successful raising of a mast or tower is largely a matter of coordination Each person should be assigned to a specific task and should know what to do and when to do it One person s
4. antenna is vertically polarized Since the antenna has vertical gain it is very important to mount the antenna in a vertical not leaning position for optimal performance Follow these steps to mount the antenna on a mast Step 1 Position the antenna mounting bracket and hose clamp on the mast as shown in figure 1 Figure 1 Antenna Mounting Details a 74964 1 Antenna 2 Mounting bracket 3 Hose clamp 4 Mast Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 78 14722 03 g5 HZ Installation Notes A Caution Step 2 Step 3 Step 4 Step 5 Step 6 For outside installations make sure you do not mount the antenna upside down or block the bottom of the antenna at the cable exit The correct mounting position is with the cable pointing down towards the ground so that any moisture will drain through the antenna drain ring The antenna ships with a yellow mounting instruction label temporarily attached to the antenna radome Figure 2 Antenna Drain Details 1 Drain ring 2 Antenna cable Align the antenna so that the metal base is even with or above the top of the mast tubing Tighten the hose clamp until the antenna is secure on the mast Connect the antenna coaxial cable to the lead in cable Remove the yellow mounting instruction label If the installation is outdoors weatherproof the antenna connection the point at which the antenna cable connects t
5. anchor bolts b Estimate the length of guy wire and cut it before raising the mast c Attach guy wires to a mast using guy rings 6 Carefully connect the antenna and mast assembly to its mounting bracket and tighten the clamp bolts a Inthe case of aa guyed installation you must have at least one assistant to hold the mast upright while the guy wires are attached and tightened to the anchor bolts 7 Attach the provided self adhering DANGER label at eye level on the mast 8 Install ground rods to remove any static electricity buildup and connect a ground wire to the mast and ground rod Use ground rods designed for that purpose not a spare piece of pipe Grounding the Antenna Follow these guidelines to ground the antenna in accordance with national electrical code instructions 1 Use No 10 AWG copper or No 8 or larger copper clad steel or bronze wire as ground wires for both mast and lead in Securely clamp the wire to the bottom of the mast 2 Secure the lead in wire to a lightning arrestor and mast ground wire to the building with stand off insulators spaced from 4 feet 1 2 meters to 8 feet 1 8 meters apart 3 Mount the lightning arrestor as close as possible to where the lead in wire enters the building 4 Drill a hole in the building s wall as close as possible to the equipment to which you will connect the lead in cable Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 78 14722 03 E
6. be delivered directly to your desktop using a reader application The RSS feeds are a free service Cisco currently supports RSS Version 2 0 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 1110R Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 78 14722 03
7. hould be in charge of the operation to issue instructions and watch for signs of trouble 5 When installing your antenna remember a Do not use a metal ladder b Do not work on a wet or windy day c Do dress properly shoes with rubber soles and heels rubber gloves long sleeved shirt or jacket 6 Ifthe assembly starts to drop get away from it and let it fall Remember the antenna mast cable and metal guy wires are all excellent conductors of electrical current Even the slightest touch of any of these parts to a power line complete an electrical path through the antenna and the installer you Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 78 14722 03 a W Safety Precautions 7 If any part of the antenna system should come in contact with a power line don t touch it or try to remove it yourself Call your local power company They will remove it safely 8 If an accident should occur with the power lines call for qualified emergency help immediately Obtaining Documentation and Submitting a Service Request For information on obtaining documentation submitting a service request and gathering additional information see the monthly What s New in Cisco Product Documentation which also lists all new and revised Cisco technical documentation http www cisco com en US docs general whatsnew whatsnew html Subscribe to the What s New in Cisco Product Documentation as an RSS feed and set content to
8. o another cable or device Note The antenna is not DC grounded It is recommended that you install lightning protection devices in your system See Installation Instructions for Cisco Aironet Lightning Arrestors This document is available on the World Wide Web at the following URL http www cisco com en US docs wireless lightning_arrestor installation guide hslar htm l Suggested Cable amp Cisco recommends a high quality low loss cable for use with the antenna Note The higher the frequency the higher the loss through the cable Also the longer the run the higher the loss Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 o E 78 14722 03 Safety Precautions Wi The antenna terminates with a special connector reverse TNC plug after a short 3 ft 91 4 cm cable The mating connector to the antenna is an appropriate reverse TNC jack connector The connector on the opposite end will vary according to the type of equipment used After the cable is attached to the antenna make sure that the connections are sealed if using outdoors to prevent moisture and other weathering elements from affecting performance amp Note The bottom of the antenna at the base where the cable exits the antenna should not be covered The drain ring allows the antenna to vent any internal condensation Cisco recommends using a coax seal such as CoaxSeal for outdoor connections Silicon sealant or
9. otfootdne CISCO Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 This document outlines the specifications describes the omnidirectional mast mount antenna and provides instructions for mounting it Designed for WLAN applications in the 2 4 to 2 5 GHz frequency range the antenna has a nominal gain of 5 2 dBi and is typically mounted indoors or outdoors on a mast The antenna is compatible with Cisco Aironet radio products utilizing a reverse polarity TNC RP TNC connector The following information is provided in this document e Technical Specifications page 2 e System Requirements page 2 e Installation Notes page 3 e Safety Precautions page 7 e Obtaining Documentation and Submitting a Service Request page 8 Americas Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA Technical Specifications Technical Specifications Antenna type Dipole Operating frequency range 2 4 to 2 84 GHz Environment Indoor outdoor Nominal input impedance 50 Ohms VSWR Less than 2 1 1 5 1 nominal Gain 5 2 dBi Polarization Linear vertical E Plane 3dB bandwidth 36 degrees H Plane 3dB bandwidth Omnidirectional Cable length and type 3 ft 0 91 m RG 58 Dimensions H x W 11 5 in x 1 125 in 29 2 cm x 2 8 cm Mounting Mast 2 in 5 08 cm maximum Operating temperature range 30 to 70 C 22 to 158 F
10. our tower or mast and then double this total for the minimum recommended safe distance Caution If you are unable to maintain this safe distance stop and get professional help Generally the higher your antenna is above the ground the better it performs Good practice is to install your antenna about 5 to 10 feet 1 5 to 3 meters above the roof line and away from all power lines and obstructions If possible find a mounting place directly above your wireless device so that the lead in cable can be as direct as possible Tools and Equipment Required To install the antenna you will need the following tools and equipment e A standard screwdriver e A standard hose clamp shipped with your antenna Cisco Aironet Omnidirectional Mast Mount Antenna AIR ANT2506 78 14722 03 Installation Notes W Note This list does not include the tools and equipment required to assemble and erect the tower mast or other structure you intend to mount your antenna on The following sections contain procedures for installing the antenna Choose the procedure that applies to your situation Use figure 1 as a guide Mounting the Antenna The antenna is provided with a mounting kit consisting of a mounting bracket and hose clamp This kit allows you to mount the antenna to masts from 1 25 inches 3 2 centimeters to 2 inches 5 1 centimeters Cisco recommends that a 1 5 inch 3 8 centimeter or larger tubing mast be used The
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