Cisco Systems AIR-ANT2414S-R User's Manual
Contents
1. Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01 Generally the higher an antenna is above the ground the better it performs Good practice is to install your antenna about 5 to 10 ft 1 5 to 3 m 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 short as possible Hardware Tools and Fasteners Required A mast mounting installation kit is shipped with the antenna and consists of the following hardware e Upper mounting bracket adjustable e Lower mounting bracket fixed e Mast mount clamps e Four 4 0 in 10 1 cm 4 20 hex head bolts with flat washers split lock washers and hex nuts e Four 4 in 1 9 cm 4 20 hex head bolts with flat washers split lock washers and hex nuts e Four 4 20 hex nuts with split lock washers You will need two 7 16 in deep well sockets or wrenches to install the antenna Figure shows the mounting bracket assembly Installation Process The following sections contains typical procedures for installing the antenna on a mast Your installation may vary The process consists of the following procedures e Assembling the mounting brackets e Attaching the mounting brackets to the antenna e Mounting the antenna e Aligning the antenna e Grounding the antenna Before you begin refer to Figure and Figure 2 to become familiar with th2. Attaching the Mounting Brackets to the Antenna The antenna has studs onto which you attach the installed mounting brackets to it The adjustable bracket is installed on the top set of studs Follow these steps to attach the mounting brackets to the antenna Step 1 Position the antenna so that the arrow on the orientation label is pointed up The arrow points to the top of the antenna so that it can be installed correctly amp Note The orientation label is located on the back panel of the antenna Step2 Attach the adjustable mounting bracket to the top set of mounting studs Step3 Install two split lock washers and hex nuts on the studs Use a 7 16 in socket or wrench to tighten the nuts Do not overtighten Step4 Attach the non adjustable mounting bracket on the bottom set of mounting studs Step5 Install two split lock washers and hex nuts on the studs and tighten as described in Step 3 Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01 Step6 Use an appropriate socket or wrench to tighten the mounting bracket fasteners except the mast mount clamp fasteners a Use a 7 16 in socket or wrench to capture the hex head bolt while you tighten the nuts b Do not complete tighten the nuts Tighten them just enough so the bracket remains positioned but can be moved if necessary Mounting the Antenna Figure 2 shows side and rear view of a typical mast installation Note that the adjust
3. after a short 5 ft 1 5 m cable The mating connector to the antenna is an appropriate RP TNC jack 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 outdoors to prevent moisture and other weathering elements from affecting performance Cisco recommends using a coax seal such as CoaxSeal for outdoor connections Silicon sealant or electrical tape are not recommended for sealing outdoor connections Obtaining Documentation Cisco com Cisco provides several ways to obtain documentation technical assistance and other technical resources These sections explain how to obtain technical information from Cisco Systems You can access the most current Cisco documentation on the World Wide Web at this URL http www cisco com univercd home home htm You can access the Cisco website at this URL http www cisco com International Cisco websites can be accessed from this URL http www cisco com public countries_languages shtml 78 16403 01 Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R Documentation CD ROM Cisco documentation and additional literature are available in a Cisco Documentation CD ROM package which may have shipped with your product The Documentation CD ROM is updated regularly and may be more current than printed documentation The CD ROM package is available a
4. the Antenna The antenna must be properly aligned if it is to be effective and efficient If you are using this antenna with the Cisco Aironet 1300 Series Wireless Bridge a detailed alignment procedure is contained in the Cisco Aironet 1300 Series Bridge Mounting Instructions which is available on Cisco com The antenna must also be professionally installed if it is to be used with the 1300 series bridge amp Note Polarization for the antennas you are aligning must be the same Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01 The goal when positioning a directional antenna is to align the local antenna for maximum received signal strength using the LED indications The LEDs are convenient and easy to use Normally you observe a single large peak as you pan the antenna across the signal path Think of the receive signal as a target see Figure 4 Figure 4 Signal Strength Target Horizontal q 116837 Vertical _ Weak signal level 3 Strong signal level 2 Moderate signal level The target consists of concentric rings with the strongest signal at the center and a progressively weaker signal at the outer rings As you scan across the signal you should observe the strong signal level when the antenna is properly aligned If a vertical adjustment is required look for the strong signal level as you tilt the antenna through its range Positioning the Ante
5. Blinks four times per second When you are using LEDs to maximize the signal adjust the antenna until as many LEDs as possible are on and the rest are blinking as fast as possible With all three LEDS on the signal is good enough to support the maximum data rate To position the antenna using the LED indicators follow these steps Step 1 Verify that the Install LED is either continuous amber or green Step2 Slowly pan the bridge to the left and right of the signal path and watch for peaks in signal strength Be sure to swing the antenna in an arc of 45 degrees to each side to ensure that the passes through the strongest signal level Step3 Return the bridge to the position where the signal is strongest Step4 Secure the horizontal adjustment by tightening the hex head bolts on the antenna bracket Tighten the nuts wrench tight Do not overtighten Step5 Slowly tilt the antenna and watch for a peak in signal strength Use the full vertical adjustment range of the mounting brackets Step6 Return the bridge to the position where the signal is strongest normally where all signal strength LEDs are on If you are unable to turn on all LEDs simply maximize the signal Step7 Secure the vertical adjustment by tightening the nuts that secure the adjustable antenna bracket to the mast mount clamp plate wrench tight Do not overtighten Grounding the Antenna Follow these steps to ground the antenna in accordance with national electrical code instruc
6. Cisco SYSTEMS Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R This document outlines the specifications describes the AIR ANT2414S R 14 dBi vertically polarized sector antenna and provides instructions for mounting and aligning it The antenna operates in the 2 4 GHz frequency range and is designed for use in bridging environments The antenna is designed to be used outdoors and can be mounted on 1 5 in 3 8 cm to 2 5 in 6 3 cm diameter masts The following information is provided in this document e Technical Specifications page 2 e System Requirements page 3 e Safety Precautions page 3 e Installation Notes page 4 e Obtaining Documentation page 11 e Obtaining Documentation page 11 e Documentation Feedback page 12 e Obtaining Technical Assistance page 12 e Obtaining Additional Publications and Information page 14 Corporate Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA Copyright 2004 Cisco Systems Inc All rights reserved Technical Specifications Antenna type 90 degree sector Operating frequency range 2400 2500 MHz Nominal input impedence 50Q 2 1 VSWR bandwith 2400 2500 MHz Gain including 1 5 m cable 14 dBi Polarization Linear vertical Azimuth 3 dB beamwidth 90 degrees Elevation 3 dB beamwidth 8 5 degrees Cable length and type 5 ft 1 5 m LMR 195 coaxial Conne
7. able bracket is in the top position Depending on how your mast is configured you may need to remove one of the mast mount clamps in order to mount the antenna Figure 2 Antenna Mounting Details Ge rs 117179 Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01 E7 Follow these steps to mount the antenna on the mast Make sure you follow all safety precautions that are appropriate for your installation Step 1 Position the antenna on the mast so that the inside mast mount clamps are making good contact with the mast Step2 If you removed the outside mast mount clamp on the top bracket reinstall it now Make sure you have retained the 4 20 flat washers and split lock washers on the hex head bolts and start a 14 20 hex nut on each bolt Step3 Use a7 16 in deep well socket or wrench to tighten the nuts Tighten the nuts enough so that the antenna will not slip down the mast See Figure 3 Figure 3 Mast Mount Clamp Detail Step4 If you removed the outside mast mount clamp on the bottom bracket reinstall it now Make sure you have retained the 4 20 flat washers and split lock washers on the hex head bolts and start a 14 20 hex nut on each bolt Step5 Use a 7 16 in deep well socket or wrench to tighten the nuts Do not completely tighten the nuts Step6 Rotate the antenna so that it points in the direction of the link you intend to establish Aligning
8. ctor type RP TNC Male Environment Outdoor Length 35 9 in 91 2 cm Width 6 4 in 16 3 cm Depth 4 03 in 10 23 cm Weight with hardware kit 7 5 1b 3 4 kg Operating temperature range 22 F to 158 F 30 C to 70 C Storage temperature range 40 F to 185 F 40 C to 85 C Wind rating 100 mph 161 kph 117180 H Plane Radiation Pattern E Plane Radiation Pattern Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01 System Requirements amp This antenna is designed for use with Cisco Aironet access points and bridges but can be used with any 2 4 GHz Cisco Aironet radio device that utilizes an RP TNC connector Note To meet regulatory restrictions if you are using this antenna with a Cisco Aironet 1300 Series Wireless Bridge the antenna must be professionally installed The network administration or other IT professional responsible for installing and configuring the unit is a suitable professional installer Following installation access to the unit should be password protected by the network administrator to maintain regulatory compliance Safety Precautions A Warning This warning symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for
9. e CA 95134 9883 We appreciate your comments Obtaining Technical Assistance For all customers partners resellers and distributors who hold valid Cisco service contracts the Cisco Technical Assistance Center TAC provides 24 hour a day award winning technical support services online and over the phone Cisco com features the Cisco TAC website as an online starting point for technical assistance If you do not hold a valid Cisco service contract please contact your reseller Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R a 78 16403 01 Cisco TAC Website The Cisco TAC website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies The Cisco TAC website is available 24 hours a day 365 days a year The Cisco TAC website is located at this URL http www cisco com tac Accessing all the tools on the Cisco TAC website requires a Cisco com user ID and password If you have a valid service contract but do not have a login ID or password register at this URL http tools cisco com RPF register register do Opening a TAC Case Using the online TAC Case Open Tool is the fastest way to open P3 and P4 cases P3 and P4 cases are those in which your network is minimally impaired or for which you require product information After you describe your situation the TAC Case Open Tool automatically recommends resources for an immediate sol
10. e installation Assembling the Mounting Brackets Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Two mounting brackets are provided one is adjustable and the other is not Figure shows the adjustable bracket The assembly process is the same for both brackets Follow these steps to assemble the mounting brackets Position the mast mount clamp plate inside the antenna bracket Insert two 4 20x 4 in hex head bolts into the holes in the mast mount clamp plate facing outward as shown in Figure 1 Place a flat washer and split lock washer on each hex head bolt Start a 14 20 hex nut on each hex head bolt and tighten hand tight Place a flat washer on two 4 inch 14 20 hex head bolts Insert the bolts into the holes facing outward in the mast mount clamp plate 78 16403 01 Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R Step7 Step 8 Step 9 Install two mast mount clamps on the 4 inch 4 20 hex head bolts as shown in Figure 1 Install a 14 20 split lock washer and hex head nut on each bolt and tighten hand tight Go to Step 1 and assemble the second mounting bracket Figure 1 Mounting Bracket Assembly 2 3 ir 4 _ i y ji 7 Hex head bolt Antenna bracket adjustable bracket shown 14 20 x 4 in 1 9 cm hex head nut 14 20 x 4 in 1 9 cm hex head bolt Mast mount clamp plate 14 20 x 4 in hex head bolt details A OU N Mast mount clamp
11. 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 78 16403 01 Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R E 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 should 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 7 If any part of the anten
12. mShare GigaDrive HomeLink Internet Quotient IOS iPhone IP TV iQ Expertise the iQ logo iQ Net Readiness Scorecard iQuick Study LightStream Linksys MeetingPlace MGX Networking Academy Network Registrar Packet PIX ProConnect ScriptShare SMARTnet StackWise The Fastest Way to Increase Your Internet Quotient and TransPath are registered trademarks of Cisco Systems Inc and or its affiliates in the United States and certain other countries All other trademarks mentioned in this document or Website are the property of their respective owners The use of the word partner does not imply a Copyright 2004 Cisco Systems Inc All rights reserved Printed in the USA on recycled paper containing 10 postconsumer waste Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01
13. na 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 Installation Notes The antenna is designed to be mounted on a mast but can be mounted on most flat vertical surfaces If you mount the antenna on a vertical surface using the mounting hardware provided you can adjust the antenna s elevation but not its azimuth Therefore the surface on which you mount the antenna must be oriented in the direction of the bridge link Choosing a Mounting Location Site Selection Step 1 Step 2 A The antenna is designed to create a directional broadcast pattern To achieve this pattern mount the antenna 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 is degraded on the building or tower side Before attempting to install your antenna determine 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 your 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
14. nce of your network is impaired but most business operations remain functional You and Cisco will commit resources during normal business hours to restore service to satisfactory levels Priority 4 P4 You require information or assistance with Cisco product capabilities installation or configuration There is little or no effect on your business operations 78 16403 01 Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R Obtaining Additional Publications and Information Information about Cisco products technologies and network solutions is available from various online and printed sources The Cisco Product Catalog describes the networking products offered by Cisco Systems as well as ordering and customer support services Access the Cisco Product Catalog at this URL http www cisco com en US products products_catalog_links_launch html Cisco Press publishes a wide range of general networking training and certification titles Both new and experienced user will benefit from these publications For current Cisco Press titles and other information go to Cisco Press online at this URL http www ciscopress com Packet magazine is the Cisco quarterly publication that provides the latest networking trends technology breakthroughs and Cisco products and solutions to help industry professionals get the most from their networking investment Included are networking deployment and troubleshooting ti
15. nna Using LED Indications You can position the integrated antenna or a directional external antenna using the LEDs only after the bridge successfully associates with the remote bridge In installation mode the Install LED is continuous amber or green when the bridge has successfully associated For the first 20 seconds following association the bridge reads the received signal strength indication RSSI levels from the received packets and records the maximum value After 20 seconds the Ethernet status and radio LEDs on the bridge indicate relative RSSI readings see Table 1 compared to the maximum recorded during the initial 20 seconds Table 1 Install Mode RSSI Display Signal Level dBm Ethernet LED Status LED Radio LED 44 or stronger On On On 47 to 44 Fast blink On On 50 to 47 Medium blink On On 53 to 50 Slow blink On On 54 to 53 Off On On 57 to 54 Off Fast blink On Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01 goo Table 1 Install Mode RSSI Display Continued Signal Level dBm Ethernet LED Status LED Radio LED 60 to 57 Off Medium blink On 63 to 60 Off Slow blink On 66 to 63 Off Off On 69 to 66 Off Off Fast blink 72 to 69 Off Off Medium blink 75 to 72 Off Off Slow blink 75 or weaker Off Off Off 1 Blinks once per second 2 Blinks twice per second 3
16. preventing accidents Warning Do not work on the system or connect or disconnect cables during periods of lightning activity Warning A This equipment must be grounded Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available Warning Do not locate the antenna near overhead power lines or other electric light or power circuits or where it can come into contact with such circuits When installing the antenna take extreme care not to come into contact with such circuits as they may cause serious injury or death For proper installation and grounding of the antenna please refer to national and local codes e g U S NFPA 70 National Electrical Code Article 810 in Canada Canadian Electrical Code Section 54 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 Ifyou are installing an antenna for the first time for your own safety as well as others seek professional assistance Your Cisco sales representative can
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19. tions Step 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 Step2 Secure the lead in wire to an antenna discharge unit and the mast ground wire to the building with stand off insulators spaced from 4 ft 1 2 m to 8 ft 2 4 m apart Step3 Mount the antenna discharge unit as close as possible to where the lead in wire enters the building Cisco Aironet 14 dBi Vertically Polarized Sector Antenna AIR ANT2414S R 78 16403 01 Step 4 A Drill a hole in the building s wall as close as possible to the equipment to which you will connect the lead in cable Caution Step 5 Step 6 Step 7 Step 8 There may be wires in the wall Make sure your drilling location is clear of 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 lightning arrestor Connect the lead in cable to the equipment Suggested Cable amp Cisco recommends a high quality low loss cable for use with the antenna Note Coaxial cable loses efficiency as the frequency increases resulting in signal loss The cable should be kept as short as possible because cable length also determines the amount of signal loss the longer the run the greater the loss The antenna terminates with a RP TNC plug
20. ution If your issue is not resolved using the recommended resources your case will be assigned to a Cisco TAC engineer The online TAC Case Open Tool is located at this URL http www cisco com tac caseopen For P1 or P2 cases P1 and P2 cases are those in which your production network is down or severely degraded or if you do not have Internet access contact Cisco TAC by telephone Cisco TAC engineers are assigned immediately to P1 and P2 cases to help keep your business operations running smoothly To open a case by telephone use one of the following numbers Asia Pacific 61 2 8446 7411 Australia 1 800 805 227 EMEA 32 2 704 55 55 USA 1 800 553 2447 For a complete listing of Cisco TAC contacts go to this URL http www cisco com warp public 687 Directory DirTAC shtml TAC Case Priority Definitions To ensure that all cases are reported in a standard format Cisco has established case priority definitions Priority 1 P1 Your network is down or there is a critical impact to your business operations You and Cisco will commit all necessary resources around the clock to resolve the situation Priority 2 P2 Operation of an existing network is severely degraded or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products You and Cisco will commit full time resources during normal business hours to resolve the situation Priority 3 P3 Operational performa
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