Cisco Diversity Omnidirectional Antenna
Contents
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4. or S2 service requests are those in which your production network is down or severely degraded Cisco engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly To open a service request 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 list of Cisco TAC contacts go to this URL http www cisco com techsupport contacts Definitions of Service Request Severity To ensure that all service requests are reported in a standard format Cisco has established severity definitions Severity 1 S1 An existing 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 Severity 2 S2 Operation of an existing network is severely degraded or significant aspects of your business operations 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 Severity 3 S3 Operational performance of the network is impaired while most business operations remain functional You and Cisco will commit resources during normal business hours to restore service to satisfactory levels Severity 4 S4 You require information or assistance with Cisco product capabil
5. the antenna is to be installed Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R e p 78 16467 02 Installing the Antenna W amp Note The panels must be removed so you can attach the antenna s cables to the cables coming from the device using the antenna Removing the pane lets you support to the ceiling T rail when you snap the antenna in place on the mounting bracket Step4 Snap the antenna over the retaining tabs on the mounting bracket Step5 Align the mounting clips with the edge of the ceiling T rail where you want to mount the antenna Step6 Grasp the ceiling T rail as closely as possible to the mounting bracket while pushing the clips securely onto the rail Step7 Connect the antenna cables Step8 Replace the ceiling panels Figure 4 Attached Clip Mounting Details 146342 1 Antenna 4 Mounting clips 2 Mounting bracket 5 Ceiling T rail 3 Antenna connectors Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R 78 16467 02 7 W Obtaining Documentation Suggested Cable Cisco recommends a high quality low loss cable for use with the antenna amp Note Coaxial cable loses efficiency as the frequency increases resulting in signal loss The cable should be kept as shor
6. Cisco SYSTEMS Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R This document describes the Cisco Aironet 4 5 dBi Diversity Omnidirectional Antenna AIR ANT5145V R and provides instructions for mounting it The antenna operates in the 5 GHz frequency range and is designed for use indoors The following information is provided in this document Technical Specifications page 2 System Requirements page 3 Installation Guidelines page 3 Safety Instructions page 3 Installing the Antenna page 4 Obtaining Documentation page 8 Documentation Feedback page 9 Obtaining Technical Assistance page 11 Obtaining Additional Publications and Information page 12 Corporate Headquarters Cisco Systems Inc 170 West Tasman Drive San J ose CA 95134 1706 USA 2006 Cisco Systems Inc All rights reserved Technical Specifications Technical Specifications Antenna type Omnidirectional TMO2 Mode Patch Operating frequency range 5150 5850 MHz Nominal input impedance 50Q 2 1 VSWR bandwidth 5000 6000 MHz Gain 4 5 dBi Polarization Linear Front to back ratio 10 dB E plane 3dB beamwidth 50 H plane 3dB beamwidth Omnidirectional Cable length and type 36 in 91 4 cm Plenum rated UV stable LMR 185 Connector type 2 RP TNC Male Length 5 in 12 7 cm Width 3 in 7 6 cm Height 0 75 oz 21 2 g Operatin
7. all Tip Displaying and Searching on Cisco com If you suspect that the browser is not refreshing a web page force the browser to update the web page by holding down the Ctrl key while pressing F5 To find technical information narrow your search to look in technical documentation not the entire Cisco com website On the Cisco com home page click the Advanced Search link under the Search box and then click the Technical Support amp Documentation radio button To provide feedback about the Cisco com website or a particular technical document click Contacts amp Feedback at the top of any Cisco com web page 78 16467 02 Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R a Obtaining Additional Publications and Information Submitting a Service Request Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information After you describe your situation the TAC Service Request Tool provides recommended solutions If your issue is not resolved using the recommended resources your service request is assigned to a Cisco engineer The TAC Service Request Tool is located at this URL http www cisco com techsupport servicerequest For S1 or S2 service requests or if you do not have Internet access contact the Cisco TAC by telephone S1
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9. g temperature 22 F 158 F 30 C 70 C Storage temperature 40 F 185 F 40 C 85 C UL2043 compliant Yes Environment Indoor office 121666 H Plane Pattern E Plane Pattern E Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R 78 16467 02 System Requirements W System Requirements This antenna is designed for use with Cisco Aironet access points and bridges but can be used with any 5 GHz Cisco Aironet radio device that utilizes reverse polarity Neil Councilman RP TNC connectors Installation Guidelines Because the antenna transmits and receives radio signals they are susceptible to RF obstructions and common sources of interference that can reduce throughput and range of the device to which they are connected Follow these guidelines to ensure the best possible performance Mount the antenna to utilize its propagation characteristics One way to do this is to orient the antenna horizontally and mount it as high as possible Keep the antenna away from metal obstructions such as heating and air conditioning ducts large ceiling trusses building superstructures and major power cabling runs If necessary use a rigid conduit to lower the antenna away from these obstructions The density of the materials used in a building s construction determines the number of walls the signal must pass through and still maintain adequate covera
10. ge Consider the following before choosing the location to install your antenna Paper and vinyl walls have very little affect on signal penetration Solid and pre cast concrete walls limit signal penetration to one or two walls without degrading coverage Wood and concrete block walls limit signal penetration to three or four walls A signal can penetrate five or six walls constructed of drywall or wood A thick metal wall causes signals to reflect off causing poor penetration Safety Instructions Follow these safety precautions when installing your antenna Plan your installation procedure carefully and completely before you begin If you are installing an antenna for the first time for your own safety as well as others seek professional assistance Consult your dealer who can explain which mounting method to use for the location where you intend to install the antenna Select your installation site with safety as well as performance in mind Remember that electric power lines and telephone lines look alike For your safety assume that any line is an electric power line until determined otherwise Call your local power company or building maintenance organization if you are unsure about cables close to your intended mounting location If an accident or emergency occurs with the power lines call for qualified emergency help immediately When installing your antenna in any location do not use a metal ladder Do d
11. ing bracket Two T rail clips with studs Two plastic spacers Two 1 4 20 T rail nuts with built in washers A 9mm open end wrench or suitable pliers Standard screwdriver A 3 4 in 20 mm drill bit A Drill A pencil or suitable marker Installing the Antenna Using T Rail Clips Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 Follow these steps to install the antenna using the T rail clips It may be helpful to refer to before you begin Choose a location in which to install the antenna Remove the adjacent ceiling panels on each side of the T rail on which the antenna is to be installed S Note The panels must be removed so you can attach the antenna s cables to the cables coming from the device using the antenna Removing the pane lets you support to the ceiling T rail when you snap the antenna in place on the mounting bracket Attach the T rail clips to the ceiling T rail Verify that the distance between the t rail studs is 3 125 in 80 mm Use a screwdriver to tighten the T rail clip stud to the T rail Slip a plastic spacer onto the stud of each T rail clip Make sure the spacer legs are positioned against the T rail See Figure for details Position the mounting bracket into the T rail clip studs Start a T rail nut on each stud Tighten each T rail nut wrench tight Use the mounting bracket to determine and mark where
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15. ress properly shoes with rubber soles and heels rubber gloves and a long sleeved shirt or jacket When drilling mounting holes wear safety glasses 78 16467 02 Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R W installing the Antenna Installing the Antenna The antenna ships with a mounting bracket and the hardware required to install the antenna on a suspended ceiling Two mounting methods are available You can mount the antenna using standard suspended ceiling T rail clips or you can mount the antenna using the clips attached to the antenna mounting bracket Figure shows the layout of the detachable mounting bracket configured to use the suspended ceiling T rail clips Figure 1 Mounting Bracket Configured to Use Suspended Ceiling T rail Clips i 121664 on Retaining tabs 3 Mounting bracket 2 T rail clip fastener Figure 2 shows how the antenna mounting bracket is attached to a suspend ceiling T rail using the attached clips Figure 2 Antenna Mounting Bracket Attached Mounting Clip Location 146340 Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R a 78 16467 02 Installing the Antenna W Tools and Equipment Required To install the antenna you will need the following tools and equipment The mounting kit supplied with your antenna consisting of Mount
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17. t 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 after a short 3 ft 0 91 m cable The mating connector to the antenna is an appropriate RP TNC jack Obtaining Documentation Cisco documentation and additional literature are available on Cisco com This section explains the product documentation resources that Cisco offers Cisco com You can access the most current Cisco documentation at this URL http www cisco com techsupport You can access the Cisco website at this URL http www cisco com You can access international Cisco websites at this URL http www cisco com public countries_languages shtml Product Documentation DVD The Product Documentation DVD is a library of technical product documentation on a portable medium The DVD enables you to access installation configuration and command guides for Cisco hardware and software products With the DVD you have access to the HTML documentation and some of the PDF files found on the Cisco website at this URL http www cisco com univercd home home htm The Product Documentation DVD is created and released regularly DVDs are available singly or by subscription Registered Cisco com users can order a Product Documentation DVD product number DOC DOCDVD or DOC DOCDVD SUB from Cisco Marketplace at the Product Documentation Store at this URL http www c
18. to drill the antenna cable access hole in the ceiling panel Drill a 3 4 in 20 mm hole at each mark Position the antenna over the mounting bracket and feed each cable through its respective access hole Grasp the ceiling T rail as closely as possible to the mounting bracket while aligning the antenna with the retaining tabs Snap the antenna over the retaining tabs 78 16467 02 Cisco Aironet 4 5 dBi Low Profile Omnidirectional Antenna AIR ANT5145V R a W installing the Antenna Step 15 Connect the antenna cables Step16 Replace the ceiling panels Figure 3 T rail Clip Installation Details ae xij _ g o N ie O m _ lh ae i ah e pE I a A lt 6 A 1 Antenna 4 Antenna cable 2 Mounting bracket 5 T rail clip 3 Antenna connectors 6 Ceiling T rail Installing the Antenna Using Attached M ounting Clips Follow these steps to install the antenna on a suspended ceiling using the mounting clips attached to the antenna mounting bracket amp Note You cannot mount the antenna on suspended ceiling having recessed tiles The clips are designed to be used on a ceiling having flush mounted tiles Step1 Ifthe T rail clips are fastened to the antenna mounting bracket remove them Step2 Choose a location in which to install the antenna Step3 Remove the adjacent ceiling panels on each side of the T rail on which
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