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2-11

Cisco Aironet 1250 Series Access Point Hardware Installation Guide

OL-8247-03

Chapter 2      Installing the Access Point

Mounting Above a Suspended Ceiling

Mounting Above a Suspended Ceiling

The access point mounting plate is designed to be integrated into the T-bar grid above the tiles of a 
suspended ceiling. Using adjustable-height box hanger mount systems (not supplied) such as the B-Line 
BA50A or Caddy 512A, you orient the access point antenna just above the top surface of a standard 
ceiling tile. You may need to modify a thicker tile to allow room for the antenna.

Three options are available for mounting your access point above a suspended ceiling. The first, and 
preferred option is the B-line system. This mounting system replaces the original Caddy system and 
provides a more secure above ceiling installation (see 

Figure 2-4

).

Figure 2-4

Above Ceiling Mounting System – Option One

275813

Summary of Contents for Aironet 1250 Series

Page 1: ...ms Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Cisco Aironet 1250 Series Access Point Hardware Installation Guide November 2007 Text Part Number OL 8247 03 ...

Page 2: ...adio Move the equipment farther away from the television or radio Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses Modifications to this product not authorized by Cisco Systems Inc could void the FCC approval and negate your a...

Page 3: ...s Points 1 2 Guidelines for Using Cisco Aironet Lightweight Access Points 1 2 Hardware Features 1 3 Radio Module Slots 1 5 Single or Dual Radio Operation 1 5 Operating Modes 1 5 Spatial Multiplexing 1 5 Maximum Ratio Combining 1 6 Antennas Supported 1 6 LEDs 1 7 Ethernet Port 1 7 Console Port 1 8 Power Sources 1 8 UL 2043 Compliance 1 8 Anti Theft Features 1 9 Network Examples with Autonomous Acce...

Page 4: ... 2 15 Installing Option Three 2 16 Mounting to a Network Cable Box 2 18 Mounting on a Desktop or Shelf 2 19 Connecting the Ethernet and Power Cables 2 20 Connecting to an Ethernet Network with an Inline Power Source 2 21 Connecting to an Ethernet Network with Local Power 2 22 Powering Up the Access Point 2 22 Installing or Removing the Mounting Plate Latch 2 23 Installing the Mounting Plate Latch ...

Page 5: ...gs Using a Browser 3 13 Running the Carrier Busy Test 3 16 Running the Ping Test 3 17 Resetting to the Default Configuration 3 18 Using the MODE Button 3 18 Using the Web Browser Interface 3 19 Reloading the Access Point Image 3 19 Using the MODE Button 3 19 Web Browser Interface 3 20 Browser HTTP Interface 3 20 Browser TFTP Interface 3 21 Obtaining the Access Point Image File 3 22 Connecting to t...

Page 6: ...3 Industry Canada B 3 Canadian Compliance Statement B 3 European Community Switzerland Norway Iceland and Liechtenstein B 4 Declaration of Conformity with Regard to the R TTE Directive 1999 5 EC B 5 Declaration of Conformity for RF Exposure B 7 Guidelines for Operating Cisco Aironet Access Points in Japan B 8 Japanese Translation B 8 English Translation B 8 Administrative Rules for Cisco Aironet A...

Page 7: ...s D 1 A P P E N D I X E Console Cable Pinouts E 1 Overview E 2 Console Port Signals and Pinouts E 2 A P P E N D I X F Configuring DHCP Option 43 for Lightweight Access Points F 1 Overview F 2 Configuring Option 43 for 1000 and 1500 Series Access Points F 3 Configuring Option 43 for 1100 1130 1200 1240 1250 1300 and 1520 Series Lightweight Access Points F 4 G L O S S A R Y I N D E X ...

Page 8: ...Contents viii Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 ...

Page 9: ... Reference for Cisco Aironet Access Points and Bridges for this release For information about the standard Cisco IOS Release 12 4 commands refer to the Cisco IOS documentation set available from the Cisco com home page by clicking Product and Services On the Product and Services home page click Cisco IOS Software Cisco IOS Software Releases 12 4 Mainline For information about Cisco Wireless LAN Co...

Page 10: ...uts for the serial console cable that connects to the access point s serial console port Appendix F Configuring DHCP Option 43 for Lightweight Access Points describes the procedure to configure DHCP Option 43 for lightweight access points Conventions This publication uses these conventions to convey instructions and information Command descriptions use these conventions Commands and keywords are i...

Page 11: ...uvez dans une situation pouvant entraîner des blessures Avant d accéder à cet équipement soyez conscient des dangers posés par les circuits électriques et familiarisez vous avec les procédures courantes de prévention des accidents Pour obtenir les traductions des mises en garde figurant dans cette publication veuillez consulter l annexe intitulée Translated Safety Warnings Traduction des avis de s...

Page 12: ...s LAN Controllers The documentation is available from the Support box Aviso Este símbolo de aviso indica perigo Encontra se numa situação que lhe poderá causar danos fisicos Antes de começar a trabalhar com qualquer equipamento familiarize se com os perigos relacionados com circuitos eléctricos e com quaisquer práticas comuns que possam prevenir possíveis acidentes Para ver as traduções dos avisos...

Page 13: ...case see Figure 1 Figure 1 Location of Serial Number Label The access point serial number label contains the following information Model number such as AIR AP1252AG A k9 or AIR LAP1252AG A k9 Serial number such as VDF06367ABC 11 alphanumeric digits Ethernet MAC address such as 00abc65094f3 12 hexadecimal digits Location of manufacture such as Made in Singapore ETHERNET CONSOLE 48vDC MODE SN NNNNNN...

Page 14: ...s Radio MAC address such as 00abc65094f3 12 hexadecimal digits Location of manufacture such as Made in Singapore You need your product serial number when requesting support from the Cisco Technical Assistance Center Obtaining Documentation Obtaining Support and Security Guidelines For information on obtaining documentation obtaining support providing documentation feedback security guidelines and ...

Page 15: ...ology The following terms refer to the autonomous and lightweight products The term access point describes both autonomous and lightweight products The term autonomous access point describes only the autonomous product The term lightweight access point describes only the lightweight product The term access point describes the product when configured to operate as an access point The term bridge de...

Page 16: ...r When the access point is joined the access point downloads its software if the versions on the access point and controller do not match After an access point joins a controller you can reassign it to any controller on your network LWAPP secures the control communication between the lightweight access point and controller by means of a secure key distribution using X 509 certificates on both the ...

Page 17: ...1 7 and console port see page 1 8 LEDs see page 1 8 Multiple power sources see page 1 8 UL 2043 compliance see page 1 8 Anti theft features see page 1 9 Figure 1 1 shows the access point with two radio modules installed Figure 1 1 Access Point with 2 4 GHz and 5 GHz Radio Modules 1 2 4 GHz radio antenna 4 5 GHz radio antenna 2 Module slot 0 2 4 GHz radio module shown 5 Module slot 1 5 GHz radio mo...

Page 18: ...three antenna connectors 5 GHz radio module contains a 5 GHz draft IEEE 802 11n version 2 0 radio and three antenna connectors identified with blue labels Blank module does not contain a radio or antenna connectors Figure 1 2 Radio Module new pic Note The 5 GHz antennas have a blue dot or blue label to correspond to the blue labels around the antenna connectors on the 5 GHz radio module 1 Radio an...

Page 19: ...e 2 4 GHz radio also supports 1 or 2 transmitting antennas and up to 3 receiving antennas The 5 GHz radio supports 802 11a and 802 11n modes of operation The radio supports the Unlicensed National Information Infrastructure UNII 1 UNII 2 and UNII 3 and the European Telecommunications Standards Institute industrial scientific and medical ETSI ISM frequency bands The 5 GHz radio also supports 1 or 2...

Page 20: ...ly prohibited for use with the access point The required antenna impedance is 50 ohms Note To reduce potential radio interference to other users the antenna type and its gain should be chosen so that the equivalent isotropically radiated power e i r p is not more than required for successful communication Table 1 1 Supported Antennas 2 4 GHz Antennas Gain dBi 5 GHz Antennas Gain dBi AIR ANT59591 d...

Page 21: ... of the unit in the access point connector area see Figure 1 3 The auto sensing Ethernet port accepts an RJ 45 connector linking the access point to your 10BASE T 100BASE T or 1000BASE T Ethernet LAN The Ethernet interface supports automatic media dependent interface crossover MDIX detection which automatically senses cable type straight through or crossover and adjusts the internal connections ap...

Page 22: ...net cable The access point supports the following power sources Cisco Aironet 1250 series DC power module AIR PWR SPLY1 Inline power Cisco Aironet 1250 series power injector AIR PWRINJ4 IEEE 802 3af power source access point with only one radio module installed Note Current switches and patch panels do not provide enough power to operate the access point with both 2 4 GHz and 5 GHz radios At power...

Page 23: ...the access point connector area Compatible padlocks are Master Lock models 120T and 121T or equivalent For additional information refer to the Securing the Access Point section on page 2 27 Security cable keyhole You can use the security cable slot see Figure 1 1 to secure the access point using a standard security cable like those used on laptop computers refer to the Securing the Access Point se...

Page 24: ...nected to a wired LAN or as the central unit in an all wireless network The repeater role requires a specific configuration Root Unit on a Wired LAN An access point connected directly to a wired LAN provides a connection point for wireless users If more than one access point is connected to the LAN users can roam from one area of a facility to another without losing their connection to the network...

Page 25: ...wards traffic between wireless users and the wired LAN by sending packets to either another repeater or to an access point connected to the wired LAN The data is sent through the route that provides the best performance for the client Figure 1 6 shows an access point acting as a repeater Consult the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for instructions on setting ...

Page 26: ...serves as the focal point for communications increasing the communication range of wireless users Figure 1 7 shows an access point in an all wireless network Figure 1 7 Access Point as Central Unit in All Wireless Network Workgroup Bridge Network The access point supports a workgroup bridge role to interconnect remote Ethernet workstations to the main LAN The workgroup bridge can communicate with ...

Page 27: ... in Layer 3 configurations use IP addresses and UDP packets which can be routed through large networks Layer 3 operation is scalable and recommended by Cisco This section illustrates a typical wireless network configuration containing lightweight access points and a Cisco Wireless LAN Controller see Figure 1 5 Consult the Cisco Wireless LAN Controller Configuration Guide for instructions on settin...

Page 28: ...1 14 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 Chapter 1 Overview Network Example with Lightweight Access Points ...

Page 29: ...ion Summary page 2 5 Mounting Overview page 2 5 Mounting on a Horizontal or Vertical Surface page 2 7 Mounting Below a Suspended Ceiling page 2 9 Mounting Above a Suspended Ceiling page 2 11 Mounting to a Network Cable Box page 2 18 Mounting on a Desktop or Shelf page 2 19 Connecting the Ethernet and Power Cables page 2 20 Powering Up the Access Point page 2 22 Installing the Access Point to the M...

Page 30: ...s of the following safety warnings are provided in Appendix A Translated Safety Warnings 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 preventing accidents Use the statement number provided at the end of each warnin...

Page 31: ...d save it Step 3 Ensure that all items listed in the Package Contents section are included in the shipment Check each item for damage If any item is damaged or missing notify your authorized Cisco sales representative Package Contents Each access point package contains the following items Cisco Aironet 1250 series access point Mounting hardware kit One mounting plate two 4 x 40 x 3 16 in screws an...

Page 32: ...e Installation Before you begin the installation refer to these sections to become familiar with the access point and the mounting hardware Access Point Bottom Connector Access Openings page 2 4 Installation Summary page 2 5 Mounting Overview page 2 5 Warning The access point antennas and all interconnected equipment including the associated LAN connections must be located indoors within the same ...

Page 33: ...ction on page 2 27 Configure security and other access point options refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points or the Cisco Wireless LAN Controller Configuration Guide Mounting Overview You can mount the access point on horizontal or vertical surfaces or on suspended ceilings above or below For additional information see these sections Mounting on a Horizo...

Page 34: ... in a building s environmental air space such as above suspended ceilings in accordance with Section 300 22 C of the National Electrical Code NEC 1 Mounting plate latch opening 6 Ceiling wall or network box mounting holes 2 Access point mounting slots 7 Cable tie points 3 Suspended ceiling mounting holes 8 Grounding stud 4 Suspended ceiling mounting holes used for 900 orientation 9 Suspended ceili...

Page 35: ...ting on a vertical surface you must position the mounting bracket latch opening on the top see Figure 2 2 For a more secure installation you should attach the mounting plate to a stud or major structural member and use the appropriate fasteners Follow these steps to mount the access point on a horizontal or vertical surface Step 1 Use the mounting plate as a template to mark the locations of four ...

Page 36: ...ng ground connection point Step 6 Route your cables through the mounting plate openings or through the ends of the mounting plate Step 7 Optionally you can secure your cables using the supplied tie wraps and the mounting plate tie points Step 8 Connect your cables to the access point connectors see Figure 2 1 before attaching the access point to the mounting plate see the Connecting the Ethernet a...

Page 37: ...e Access Point Mounting Below a Suspended Ceiling Mounting Below a Suspended Ceiling Note To comply with NEC code a 10 24 grounding lug is provided on the mounting plate You should review Figure 2 2 and Figure 2 3 before beginning the mounting process Figure 2 3 T Rail Mounting Parts 230556 2 3 5 1 2 3 4 5 ...

Page 38: ...onally you can install a 10 AWG copper ground wire to the mounting plate ground stud see Figure 2 2 The other end of the ground wire should be attached to a building ground connection point Step 9 Route your cables through the mounting plate openings or through the ends of the mounting plate Step 10 Optionally you can secure your cables using the supplied tie wraps and the mounting plate cable tie...

Page 39: ...r mount systems not supplied such as the B Line BA50A or Caddy 512A you orient the access point antenna just above the top surface of a standard ceiling tile You may need to modify a thicker tile to allow room for the antenna Three options are available for mounting your access point above a suspended ceiling The first and preferred option is the B line system This mounting system replaces the ori...

Page 40: ...ting systems as shown in Figure 2 5 provides the strongest and most secure mounting method for your access point Figure 2 5 Above Ceiling Mounting System Option Two The third option uses two Caddy 512A mounting systems as shown in Figure 2 6 You might consider using this option if your original above ceiling installation used the original single Caddy 512 configuration Figure 2 6 Above Ceiling Mou...

Page 41: ...nd Erico mounting systems Installing Option One This section provides instructions to installation 1 B Line mounting system above a suspended ceiling Follow these steps to mount the access point above a suspended ceiling using option 1 It may be helpful to refer to Figure 2 7 before you begin Figure 2 7 Option 1 Mounting Details Note The illustration shows the access point mounting plate mounted p...

Page 42: ...ing the height adjustment rail wing nuts Step 6 Attach the T rail clips on each end of the box hanger to the ceiling grid T rails Make sure the clips are securely attached to the T rails Step 7 Connect a drop wire to a building structural element and through the wire attachment feature in the box hanger mounting clip This additional support is required in order to comply with the U S National Elec...

Page 43: ...ss point s 2 4 GHz antenna connectors see Figure 1 1 on page 1 3 Note The access point 5 GHz antenna connectors have a blue label to correspond with the blue dot or label on the Cisco Aironet 5 GHz antennas or antenna cables Step 15 If you need additional security see the Securing the Access Point section on page 2 27 for additional information Step 16 Verify the access point is operating before r...

Page 44: ...0 Right Side Box Hanger Mounting Details B Line Installing Option Three Option three consists of two Caddy mounting systems mounted on each end of the mounting bracket Follow these steps to install option three Step 1 Insert the bracket mounting clip s tab into the rectangular cutout on the left side of the access point mounting plate as shown in Figure 2 11 276483 ...

Page 45: ...e 2 11 Installing the Left Side Mounting Clip Step 2 Place the clip over the box hanger and secure it to the access point mounting plate as shown in Figure 2 12 with the 1 4 20 fastener supplied with the T bar hanger Note Insert the fastener from beneath the mounting bracket Figure 2 12 Securing the Left Side Mounting Clip to the Mounting Bracket 276484 276485 ...

Page 46: ...ese steps to mount the access point on a network cable box Step 1 Position the mounting plate over the network cable box and align the appropriate mounting holes See Figure 2 2 with the holes of your specific network box Step 2 Hold the mounting plate and insert two or 4 6 or 8 pan head screws to match network box configuration through the mounting plate and into the corresponding threaded holes o...

Page 47: ...ss point see the Removing the Access Point From the Mounting Plate section on page 2 30 and Installing or Removing the Mounting Plate Latch section on page 2 23 The access point has four rubber foot pins on the bottom to help prevent sliding or scratching the surface of your desktop or shelf when the mounting plate is removed For information on connecting the access point cables see the Connecting...

Page 48: ...r up if the access point is unable to determine that the power source can supply sufficient power the access point automatically deactivates both radios to prevent an over current condition The access point Status LED turns amber and an error log entry is created refer to the Checking the Autonomous Access Point LEDs section on page 3 2 and the Checking the Autonomous Access Point LEDs section on ...

Page 49: ...only a single power source Follow these steps to connect the access point to the Ethernet LAN when you have an inline power source Step 1 Connect a Category 5E or higher Ethernet cable to the RJ 45 Ethernet connector labeled Ethernet on the access point see Figure 2 15 Figure 2 15 Ethernet and Power Ports Step 2 Connect the other end of the Ethernet cable to the Ethernet connector on the 1250 seri...

Page 50: ...ss Point section on page 2 27 Powering Up the Access Point When power is applied to the access point it begins a routine power up sequence that you can monitor by observing the three LEDs on the top of the access point After you observe all three LEDs turning green to indicate the starting of the IOS operating system the Status LED blinks green signifying that Cisco IOS is operational When in an o...

Page 51: ...Installing the Mounting Plate Latch Follow these steps to install the mounting plate latch Step 1 Place the bottom of access point facing up and locate the two screw holes for the mounting plate latch see Figure 2 16 Step 2 Place the mounting plate latch over the two screw holes Step 3 Screw two 3 16 in 0 476 cm 4x40 screws into the screw holes Removing the Mounting Plate Latch Follow these steps ...

Page 52: ...g plate to be installed see the Installing the Mounting Plate Latch section on page 2 23 Note The access point is shipped with the mounting plate latch and the mounting plate installed Mounting Plate Not Attached to a Surface When the mounting plate is not attached to surface follow these steps to attach the mounting plate on the access point Step 1 Position your access point with the bottom plate...

Page 53: ... latched position Step 4 Slide the access point until the mounting plate latch clicks Step 5 To secure your radio modules see the Securing the Access Point to the Mounting Plate section on page 2 27 Step 6 To secure your access point with a PC type security cable see the Using a Security Cable to Secure the Access Point section on page 2 29 1 Access point foot pins and mounting plate slot 2 Mounti...

Page 54: ... the the mounting plate latch opening on your mounting plate see Figure 2 2 Step 3 Position the end of the access point with the mounting plate latch see Figure 2 16 towards the end of the mounting plate with the latch opening Step 4 To assist in aligning the access point to the mounting plate place the access point on the mounting plate and align the access point side with the security cable key ...

Page 55: ...he mounting plate to prevent removal of the radio modules when the mounting plate is screwed to a wall or ceiling Known compatible padlocks are Master Lock models 120T or 121T Figure 2 19 shows the padlock hole and the mounting plate latch from the bottom side of the access point for clarity Note The mounting plate latch must be installed on the access point to enable attachment of the mounting pl...

Page 56: ... padlock follow these steps Step 1 Insert the padlock into the padlock hole on the mounting plate see Figure 2 20 Figure 2 20 Installing the Padlock Step 2 Rotate the padlock to the lock position and then position the padlock to the side of the access point see Figure 2 21 Figure 2 21 Position the Padlock for Locking T O R E L E A S E P U S H L A T C H 170363 T O R E L E A S E P U S H L A T C H 17...

Page 57: ...068 into the access point security cable slot The security cable can be used with any of the mounting methods described in this guide Note To prevent the radio modules from being removed you must install the mounting plate and a padlock Follow these steps to install the security cable Step 1 Loop the security cable around a nearby immovable object Step 2 Insert the key into the security cable lock...

Page 58: ... instructions Step 1 Verify the location of the mounting plate latch see Figure 2 19 Step 2 Push the mounting plate latch with your right index finger while gently sliding the access point to the right with your left hand see Figure 2 22 Figure 2 22 Pushing the Mounting Plate Latch Step 3 Continue sliding the access point to the right while lifting the edge of the access point with your left hand ...

Page 59: ...ting plate is on top Step 2 Verify the location of the mounting plate latch see Figure 2 19 Step 3 Grasp the access point with both hands as shown in Figure 2 23 Figure 2 23 Removing the Mounting Plate Step 4 With your right forefinger pull the mounting plate latch toward you to release it from the mounting plate Step 5 Maintain pressure on the mounting plate latch use your left thumb or forefinge...

Page 60: ...odules from the unit Note To install or remove a radio module the access point must be removed from the mounting plate To remove a module from the access point follow these steps Step 1 Place the access point so that the bottom of the unit is facing up as shown in Figure 2 24 Figure 2 24 Access Point Module Latches 1 Slot 1 module latch 3 Console connector and MODE button 2 DC IN and Ethernet conn...

Page 61: ...e Step 2 Grasp the radio module and use your thumb to push the module latch to the open position while pulling the radio module see Figure 2 25 Figure 2 25 Opening the Module Latch Step 3 When the module latch reaches the open position see Figure 2 24 gently pull the radio module from the access point 1 Push module latch to open 48vDC 290903 1 ...

Page 62: ...low these steps to insert a radio module Step 1 Ensure the module latch is in the fully open position see Figure 2 27 Note If the module latch is not in the open position the latch will not allow the module to be closed Step 2 Carefully insert the access point module rails into the radio module slots see Figure 2 26 Figure 2 26 Inserting the Radio Module 1 Radio module slot on access point 3 Acces...

Page 63: ...ly positioned into the radio module notch see Figure 2 27 Figure 2 27 Module Latch Position During Module Installation Step 4 Use your thumb to push the module latch towards the lock position while squeezing with your fingers to push the radio module into the access point see Figure 2 28 Continue pushing until the latch aligns with the Lock mark on the access point 1 Radio module latch notch 3 Lat...

Page 64: ...Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 Chapter 2 Installing the Access Point Inserting a Radio Module Figure 2 28 Closing the Module Latch 1 Push module latch 1 230901 ...

Page 65: ... the Cisco Technical Support and Documentation website at the following URL http www cisco com cisco web psa default html Sections in this chapter include Checking the Autonomous Access Point LEDs page 3 2 Checking Basic Settings page 3 5 Low Power Condition on Autonomous Access Points page 3 7 Running the Carrier Busy Test page 3 16 Running the Ping Test page 3 17 Resetting to the Default Configu...

Page 66: ...ous Access Point LEDs If your access point is not working properly check the Status Ethernet and Radio LEDs on the top of the unit You can use the LED indications to quickly assess the unit s status Figure 3 1 shows the access point LEDs for additional information refer to the Event Log using the access point browser interface Figure 3 1 Access Point LEDs ETHERNET STATUS RADIO 230563 ETHERNET STAT...

Page 67: ...f White Initialize Ethernet Green Off Blinking blue Ethernet test ok Green Green Blinking green Starting Cisco IOS Off Off Off Initialization ok Association status Green Normal operating condition but no wireless client devices are associated with the unit Blue Normal operating condition at least one wireless client device is associated with the unit Operating status Green Ethernet link is operati...

Page 68: ...g red Bad MAC address Red Off Blinking red and off Ethernet failure during image recovery Amber Amber Blinking red and off Boot environment error Red Amber Blinking red and off No Cisco IOS image file Amber Amber Blinking red and off Boot failure Cisco IOS errors Blinking amber Transmit or receive Ethernet errors Blinking amber Maximum retries or buffer full occurred on the radio Red Red Off Softw...

Page 69: ...wly installed access points Refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for instructions on configuring the SSID To enable the radio interfaces follow these instructions Step 1 Use your web browser to access your access point Step 2 At the prompt enter the administrator username and password The default username is Cisco and the default password is Cisco The...

Page 70: ...dapter to 0987654321 and select it as the transmit key you must also set WEP Key 3 on the access point to exactly the same value The access point does not need to use Key 3 as its transmit key however Refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points for instructions on setting the access point s WEP keys Security Settings Wireless clients attempting to authentica...

Page 71: ...bled Cisco IOS software loads and runs and power negotiation determines if sufficient power is available If there is sufficient power then the radios are turned on otherwise the access point remains in low power mode with the radios disabled to prevent a possible over current condition In low power mode the access point activates the Status LED low power error indication displays a low power messa...

Page 72: ...ccess point to report the power condition CDP_PD 4 POWER_OK Full Power AC_ADAPTOR inline power source This message indicates the access point is using the 1250 power module and can support full power operation with both radio modules CDP_PD 4 POWER_OK Low Power AC_ADAPTOR inline power source This message indicates the access point is using a non 1250 power module and cannot support full power oper...

Page 73: ...mmand does not have to be used to specify that the power injector is installed Note To prevent possible over current conditions the power source must be an IEC60950 compliant limited power source CDP_PD 4 POWER_OK Full power INJECTOR_CONFIGURED_OVERRIDE_SAFETY inline power source This message indicates the access point has been configured to override the inline power checks and a power injector is...

Page 74: ...e this low power problem 1 Verify the required power injector is installed on the new port platform name Ethernet port where platform name indicates the CDP device detected by the access point and Ethernet port indicates the Ethernet port of the CDP device 2 If a power injector is installed issue the command power inline negotiation injector installed CDP_PD 2 POWER_LOW All radios disabled HIGH_PO...

Page 75: ... you move the access point H H H is used to specify the MAC address of the new switch port where the access point was moved A MAC address of 0 0 0 is invalid Caution When you are using the power inline negotiation injector override command a power injector must always be installed to prevent a possible overload condition with an underpowered power source Note The power inline negotiation injector ...

Page 76: ...t Power Management always configure the use of a power injector at the switch Power injector2 used with a Cisco switch that does not support Intelligent Power Management1 None required5 5 The access point detects the power injector AIR PWRINJ4 power inline never Power injector used with a non Cisco switch None required Table 3 4 Using Cisco IOS Commands for Access Points with Two Radio Modules Ins...

Page 77: ...enter the command below that applies to your power configuration see Table 3 3 and Table 3 4 power inline negotiation injector installed not required no power inline negotiation injector not required power inline negotiation prestandard source no power inline negotiation prestandard source Step 3 Enter the write memory command to save the setting to the access point memory Step 4 Enter the quit co...

Page 78: ...Management Support for Intelligent Power Management might not be currently available for your Cisco power source Power Settings Power Negotiation selected Power Injector Installed on Port with MAC Address unchecked power inline auto Cisco switch that does not support Intelligent Power Management1 Power Settings Pre standard Compatibility selected Power Injector Installed on Port with MAC Address u...

Page 79: ...t negotiations choose Power Negotiation b If your Cisco switch does not support Intelligent Power Management negotiations choose Pre standard Compatibility c If you are using a non Cisco switch changes to the power settings are not required Table 3 6 System Power Settings and Cisco Switch Commands for Access Points with Dual Radio Modules Power Source Access Point System Power Settings Cisco Switc...

Page 80: ...onfigured in the access point Note You might have to refresh your browser page to obtain the latest browser page that indicates your radios are enabled Running the Carrier Busy Test You can use the carrier busy test to determine the least congested channel for a radio interface 2 4 GHz or 5 GHz radio module You should typically run the test several times over several days to obtain the best result...

Page 81: ...es the test produces a value indicating the percentage of time that the channel is busy Step 7 Close your browser Running the Ping Test You can use the ping test to evaluate the link to and from an associated wireless device The ping test provides two modes of operation a Performs a test using a specified number of packets and then displays the test results b Performs a test that continuously oper...

Page 82: ...e the MODE button on the access point or the web browser interface Note The following steps reset all configuration settings to factory defaults including passwords WEP keys the IP address and the SSID Using the MODE Button Follow these steps to delete the current configuration and return all access point settings to the factory defaults using the MODE button Step 1 Disconnect power the power jack...

Page 83: ...ccess point is configured with a static IP address the IP address does not change Step 7 After the access point reboots you must reconfigure the access point by using the Web browser interface the Telnet interface or Cisco IOS commands Reloading the Access Point Image If your access point has a firmware failure you must reload the complete access point image file using the Web browser interface or...

Page 84: ...er to the access point Step 8 Hold the MODE button until the Radio LED turns a red color approximately 20 to 30 seconds and release the MODE button Step 9 After the access point reboots you must reconfigure the access point by using the Web interface the Telnet interface or Cisco IOS commands Web Browser Interface You can also use the Web browser interface to reload the access point image file The...

Page 85: ...interface you should disable your browser pop up blocker Step 2 Enter the access point s IP address in the browser address line and press Enter An Enter Network Password page displays Step 3 At the prompt enter the administrator username and password The default username is Cisco and the default password is Cisco The username and password are case sensitive The Summary Status page displays Step 4 ...

Page 86: ...12 4 10b JA Step 7 Click Wireless LAN for an access point image file such as c1250 k9w7 tar 124 10b JA tar Step 8 Click DOWNLOAD Step 9 Read and accept the terms and conditions of the Software Download Rules Step 10 On the Enter Network Password window enter your Cisco com username and password and click OK Step 11 Click Save to download your image file to your hard disk Step 12 Select the desired...

Page 87: ...and MODE Button Locations Note The Cisco part number for the DB 9 to RJ 45 serial cable is AIR CONCAB1200 Browse to http www cisco com go marketplace to order a serial cable Step 2 Set up a terminal emulator on your PC to communicate with the access point Use the following settings for the terminal emulator connection 9600 baud 8 data bits no parity 1 stop bit and no flow control Step 3 At the pro...

Page 88: ... Autonomous Access Points Obtaining the TFTP Server Software Obtaining the TFTP Server Software You can download TFTP server software from several web sites Cisco recommends the shareware TFTP utility available at this URL http tftpd32 jounin net Follow the instructions on the website for installing and using the utility ...

Page 89: ...g information refer to the Cisco Technical Support and Documentation website at the following URL http www cisco com cisco web psa default html Sections in this chapter include Guidelines for Using Cisco Aironet Lightweight Access Points page 4 2 Checking the Lightweight Access Point LEDs page 4 3 Low Power Condition for Lightweight Access Points page 4 7 Manually Configuring Controller Informatio...

Page 90: ...main Services WDS and cannot communicate with WDS devices However the controller provides functionality equivalent to WDS when the access point associates to it The access points do not support Layer 2 LWAPP They must get an IP address and discover the controller using DHCP DNS or IP subnet broadcast The access point console port is enabled for monitoring and debug purposes all configuration comma...

Page 91: ...ss Point LEDs If your lightweight access point is not working properly check the Status Ethernet and Radio LEDs on the 2 4 GHz end of the unit You can use the LED indications to quickly assess the unit s status Figure 4 1 shows the access point LEDs for additional information refer to the Event Log using the access point browser interface Figure 4 1 Access Point LEDs ETHERNET STATUS RADIO 230563 E...

Page 92: ...te Initialize Ethernet Green Off Blinking blue Ethernet test ok Green Green Blinking green Starting Cisco IOS Off Off Off Initialization ok Association status Green Normal operating condition but no wireless client devices are associated with the unit Blue Normal operating condition at least one wireless client device is associated with the unit Operating status Green Ethernet link is operational ...

Page 93: ... or receive Ethernet errors Blinking amber Maximum retries or buffer full occurred on the radio Red Red Off Software failure try disconnecting and reconnecting unit power Alternating blue green red and off General warning insufficient inline power see the Low Power Condition for Lightweight Access Points section Controller status Alternating green red and amber1 Connecting to the controller Note I...

Page 94: ... Regarding LED status colors it is expected that there will be small variations in color intensity and hue from unit to unit This is within the normal range of the LED manufacturer s specifications and is not a defect AP POWER FAULT AC POWER 170366 Table 4 2 Power Injector LED Indications LED Color Description AP Power Green Indicates DC power is available to the access point Fault Red Indicates a...

Page 95: ... disabled Cisco IOS software loads and runs and power negotiation determines if sufficient power is available If there is sufficient power then the radios are turned on otherwise the access point remains in low power mode with the radios disabled to prevent a possible over current condition In low power mode the access point activates the Status LED low power error indication displays a low power ...

Page 96: ...ine power source This message indicates the access point is using the power module and can support full power operation with two radio modules CDP_PD 4 POWER_OK Full Power NEGOTIATED inline power source This message indicates the access point is operating at full power and has successfully negotiated for 15 4 W of power from a Cisco switch supporting Cisco Intelligent Power Management CDP_PD 4 POW...

Page 97: ...tes the access point has been configured to override the inline power checks and a power injector is installed Caution When using the power inline negotiation injector override command a power injector must always be installed to prevent a possible overload condition with an underpowered power source CDP_PD 2 POWER_LOW All radios disabled NEGOTIATED inline power source This message indicates the a...

Page 98: ...lled on the new port platform name Ethernet port where platform name indicates the CDP device detected by the access point and Ethernet port indicates the Ethernet port of the CDP device CDP_PD 2 POWER_LOW All radios disabled HIGH_POWER_CLASSIC_NOT_ CONFIGURED inline power source platform name MAC address This message indicates the access point is in low power mode with all radios disabled and has...

Page 99: ...used to supply sufficient power and the Cisco switch does not support Intelligent Power Management Caution If the access point receives power through PoE the output current of the power sourcing equipment PSE cannot exceed 400 mA per port Refer to Table 4 3 and Table 4 4 for information on when to use these special CLI controller commands and the corresponding Cisco switch power command Table 4 3 ...

Page 100: ...e switch 4 The access point detects the power injector AIR PWRINJ4 Table 4 4 Using CLI Power Commands for Access Points with Two Radio Module Installed Power Source CLI Commands Cisco Wireless LAN Controller Cisco Switch AC power module None required power inline never Cisco switch that supports Intelligent Power Management1 1 You should check the release notes for your Cisco power source to deter...

Page 101: ...w your access point to associate with a different controller Note This command requires the controller configured Enable password to enter the CLI EXEC mode To clear or remove the manually entered controller information you can use these EXEC mode CLI commands clear lwapp ap ip address clear lwapp ip default gateway clear lwapp controller ip address clear lwapp ap hostname Manually Resetting the A...

Page 102: ... 45 console port on the access point and to the COM port on a computer Figure 4 3 shows the console port location Figure 4 3 Console Port Location Note The Cisco part number for the DB 9 to RJ 45 serial cable is AIR CONCAB1200 Browse to http www cisco com go marketplace to order a serial cable Step 2 Set up a terminal emulator on your PC to communicate with the access point Use the following setti...

Page 103: ...Lightweight Access Points Obtaining the TFTP Server Software Obtaining the TFTP Server Software You can download TFTP server software from several web sites Cisco recommends the shareware TFTP utility available at this URL http tftpd32 jounin net Follow the instructions on the website for installing and using the utility ...

Page 104: ...4 16 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 Chapter 4 Troubleshooting 1250 Series Lightweight Access Points Obtaining the TFTP Server Software ...

Page 105: ...t or that is available on Cisco com To browse to the document on Cisco com follow these steps Step 1 Click this link to the Cisco Wireless documentation home page http www cisco com cisco web psa default html Step 2 Click Cisco Aironet 1250 Series listed under Access Points Step 3 Click Install and Upgrade Guides Step 4 Click Translated Safety Warnings for Cisco Aironet 1000 1100 1130AG 1200 1240A...

Page 106: ...A 2 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 Appendix A Translated Safety Warnings ...

Page 107: ...ufacturers Federal Communication Commission Declaration of Conformity Statement page B 2 VCCI Statement for Japan page B 3 Industry Canada page B 3 European Community Switzerland Norway Iceland and Liechtenstein page B 4 Declaration of Conformity for RF Exposure page B 7 Guidelines for Operating Cisco Aironet Access Points in Japan page B 8 Administrative Rules for Cisco Aironet Access Points in T...

Page 108: ...nment This equipment generates uses and radiates radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference However there is no guarantee that interference will not occur If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to correct...

Page 109: ...erference Causing Equipment Regulations Cet appareil numerique de la classe B respecte les exigences du Reglement sur le material broilleur du Canada This device complies with Class B Limits of Industry Canada Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may ...

Page 110: ...GHz spread spectrum devices and Cisco Aironet 54 Mbps 5 GHz Access Points are certified to the requirements of RSS 210 for 5 GHz spread spectrum devices The use of this device in a system operating either partially or completely outdoors may require the user to obtain a license for the system according to the Canadian regulations For further information contact your local Industry Canada office Eu...

Page 111: ...nt Hardware Installation Guide OL 8247 03 Appendix B Declarations of Conformity and Regulatory Information European Community Switzerland Norway Iceland and Liechtenstein Declaration of Conformity with Regard to the R TTE Directive 1999 5 EC ...

Page 112: ...s with the EMC requirements EN 60601 1 2 of the Medical Directive 93 42 EEC For 2 4 GHz radios the following standards were applied Radio EN 300 328 1 EN 300 328 2 EMC EN 301 489 1 EN 301 489 17 Safety EN 60950 1 Note This equipment is intended to be used in all EU and EFTA countries Outdoor use may be restricted to certain frequencies and or may require a license for operation For more details co...

Page 113: ...e from radio frequency devices as defined in Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields The equipment shoud be installed more than 20 cm 7 9 in from your body or nearby persons The access point must be installed to maintain a minimum 20 cm 7 9 in co located separation distance from other FCC approved indoor outdoor antennas used with the ...

Page 114: ...ic and medical devices such as microwave ovens and mobile object identification RF ID systems licensed premises radio stations and unlicensed specified low power radio stations used in factory production lines 1 Before using this equipment make sure that no premises radio stations or specified low power radio stations of RF ID are used in the vicinity 2 If this equipment causes RF interference to ...

Page 115: ... for Cisco Aironet Access Points in Taiwan Administrative Rules for Cisco Aironet Access Points in Taiwan This section provides administrative rules for operatingCisco Aironet access points inTaiwan The rules are provided in both Chinese and English Access Points with IEEE 802 11a Radios Chinese Translation English Translation This equipment is limited for indoor use ...

Page 116: ... features and functions Article 14 The operation of the low power radio frequency devices is subject to the conditions that no harmful interference is caused to aviation safety and authorized radio station and if interference is caused the user must stop operating the device immediately and can t re operate it until the harmful interference is clear The authorized radio station means a radio commu...

Page 117: ...will be restricted to indoor operations to reduce any potential for harmful interference to co channel MSS operations 4 7 6 The U NII devices shall accept any interference from legal communications and shall not interfere the legal communications If interference is caused the user must stop operating the device immediately and can t re operate it until the harmful interference is clear 4 7 7 Manuf...

Page 118: ... B 1 contains Brazil regulatory information for the AIR AP1252G A K9 AIR LAP1252G A K9 and the AIR RM1252G A K9 Figure B 1 Brazil Regulatory Information Portuguese Translation Este equipamento opera em caráter secundário isto é não tem direito a proteção contra interferência prejudicial mesmo de estações do mesmo tipo e não pode causar interferência a sistemas operando em caráter primário English ...

Page 119: ...claration of Conformity Statements Declaration of Conformity Statements All the Declaration of Conformity statements related to this product can be found at the following URL http www ciscofax com Declaration of Conformity Statements for European Union Countries The Declaration of Conformity statement for the European Union countries is listed below ...

Page 120: ...isco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 Appendix B Declarations of Conformity and Regulatory Information Declaration of Conformity Statements for European Union Countries ...

Page 121: ...nd radio traffic Connectors Base unit bottom of access point DC power connector for plug in power module RJ 45 connector for 10BASE T or 100BASE T or 1000BASE T Ethernet connections RJ 45 connector for serial console port connections 2 4 GHz radio module left to right RP TNC antenna connectors Left A Tx Rx middle C Rx right B Tx Rx 5 GHz radio module left to right Left A Tx Rx middle C Rx right B ...

Page 122: ...o Aironet Lightweight Access Points Antenna Three external antenna connectors on each radio module Frequency 2 400 to 2 497 GHz Depending on the regulatory domain in which the access point is installed 5 15 to 5 25 GHz 5 25 to 5 35 GHz 5 470 to 5 725 GHz 5 725 to 5 85 GHz Depending on the regulatory domain in which the access point is installed Compliance The 1250 series access point complies with...

Page 123: ...Specifications EMI and Susceptibility FCC Part 15 107 and 15 109 Class B ICES 003 Class B Canada EN 55022 Class B EN 55024 AS NZS 3548 Class B VCCI Class B RF Exposure OET 65C RSS 102 ANSI C95 1 Table A 1 Access Point Specifications continued Category 2 4 GHz Radio Specifications 5 GHz Radio Specifications ...

Page 124: ...A 4 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 Appendix A Access Point Specifications ...

Page 125: ...ints and Bridges document available on the Cisco Wireless documentation page of Cisco com To browse to the document follow these steps Step 1 Click this link to the Cisco Wireless documentation home page http www cisco com cisco web psa default html Step 2 Click Cisco Aironet 1250 Series listed under Access Points Step 3 Click Install and Upgrade Guides Step 4 Click Channels and Maximum Power Sett...

Page 126: ...D 2 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 Appendix D Channels and Power Levels ...

Page 127: ... 8247 03 A P P E N D I X E Console Cable Pinouts This appendix identifies the pinouts for the serial console cable that connects to the access point s serial console port The appendix contains the following sections Overview page E 2 Console Port Signals and Pinouts page E 2 ...

Page 128: ...e COM port of your PC running a terminal emulation program Note Both the Ethernet and console ports use RJ 45 connectors Be careful to avoid accidently connecting the serial cable to the Ethernet port connector Note After completing your configuration changes you must remove the serial console cable from the access point Table E 1 lists the signals and pinouts for the console RJ 45 to DB 9 serial ...

Page 129: ...s This appendix describes the steps needed to configure DHCP Option 43 for use with Cisco Aironet lightweight access points This appendix contains these sections Overview page F 2 Configuring Option 43 for 1000 and 1500 Series Access Points page F 3 Configuring Option 43 for 1100 1130 1200 1240 1250 1300 and 1520 Series Lightweight Access Points page F 4 ...

Page 130: ...isco Aironet access points use the type length value TLV format for DHCP Option 43 DHCP servers must be programmed to return the option based on the access point s DHCP Vendor Class Identifier VCI string DHCP Option 60 The VCI strings for Cisco access points capable of operating in lightweight mode are listed in Table F 1 The format of the TLV block for 1100 1130 1200 1240 1250 1300 and 1520 serie...

Page 131: ... pool such as AP1000 or AP1500 IP Network is the network IP address where the controller resides such as 10 0 15 1 Netmask is the subnet mask such as 255 255 255 0 Default router is the IP address of the default router such as 10 0 0 1 DNS Server is the IP address of the DNS server such as 10 0 10 2 Step 3 Add the option 60 line for the 1000 or 1500 series access poiont using the following syntax ...

Page 132: ...re the controller resides such as 10 0 15 1 Netmask is the subnet mask such as 255 255 255 0 Default router is the IP address of the default router such as 10 0 0 1 DNS Server is the IP address of the DNS server such as 10 0 10 2 Step 3 Add the option 60 line using the following syntax option 60 ascii VCI string For the VCI string use the value from Table F 1 The quotation marks must be included S...

Page 133: ...ing in the 2 4 GHz frequency band 802 11g The IEEE standard that specifies carrier sense media access control and physical layer specifications for 6 9 12 18 24 36 48 and 54 Mbps wireless LANs operating in the 2 4 GHz frequency band A access point A wireless LAN data transceiver that uses radio waves to connect a wired network with wireless stations ad hoc network A wireless network composed of st...

Page 134: ...o range or coverage in which the wireless devices can communicate with the base station The size of the cell depends upon the speed of the transmission the type of antenna used and the physical environment as well as other factors client A radio device that uses the services of an Access Point to communicate wirelessly with other devices on a local area network CSMA Carrier sense multiple access A...

Page 135: ...izations with a large user base and access to an EAP enabled Remote Authentication Dial In User Service RADIUS server Ethernet The most widely used wired local area network Ethernet uses carrier sense multiple access CSMA to allow computers to share a network and operates at 10 100 or 1000 Mbps depending on the physical layer used F file server A repository for files so that a local area network c...

Page 136: ...gn a unique DTIM setting for each SSID and to broadcast SSIDs in beacons one SSID per beacon modulation Any of several techniques for combining user information with a transmitter s carrier signal multipath The echoes created as a radio signal bounces off of physical objects multicast packet A single data message packet sent to multiple addresses O omni directional This typically refers to a prima...

Page 137: ...s the types of antennas that may be used with transmission equipment In compliance with this rule Cisco Aironet like all other wireless LAN providers equips its radios and antennas with a unique connector to prevent attachment of non approved antennas to radios S spread spectrum A radio transmission technology that spreads the user information over a much wider bandwidth than otherwise required in...

Page 138: ...e new access point greatly shortening the reassociation time WEP Wired Equivalent Privacy An optional security mechanism defined within the 802 11 standard designed to make the link integrity of wireless devices equal to that of a cable WLSE Wireless LAN Solutions Engine The WLSE is a specialized appliance for managing Cisco Aironet wireless LAN infrastructures It centrally identifies and configur...

Page 139: ...les connecting 2 20 central unit 1 12 CLI terminal emulator settings 3 23 4 14 connectors C 1 C 2 console port 1 2 1 8 E 2 controller 1 2 D DC power module 1 8 2 20 declarations of conformity B 1 default configuration resetting 3 18 DHCP Option 43 4 2 F 1 DHCP pool F 2 E Ethernet LED 1 7 MAC address 1 7 port 1 7 extended temperature range 2 3 2 4 F FCC Declaration of Conformity B 2 FCC Safety Comp...

Page 140: ...holes 2 6 installation 2 24 latch 2 23 2 27 2 32 marking 2 26 N needed material 2 7 network examples 1 10 O operating temperature C 1 outline on mounting plate 2 26 P package contents 2 3 padlock 2 28 padlock hole 2 27 padlock security 1 9 password reset 3 18 pinouts serial cable E 2 power connecting 2 20 input C 1 output C 2 power cables 2 20 power injector 1 8 2 20 power sources 1 8 R Radio LED ...

Page 141: ...indicators C 1 Status LED 1 7 T T bar grid 2 11 temperature operating C 1 terminal emulator 3 23 4 14 terminal emulator settings 1 8 TFTP server 3 19 T rail clip studs 2 10 troubleshooting 3 1 4 1 type length value TLV F 2 U UL2043 compliance 1 8 Unlicensed National Information Infrastructure UNII 1 5 unpacking 2 3 V vendor class identifier VCI F 2 voltage range C 1 W warnings 2 2 A 1 web site Cis...

Page 142: ...Index IN 4 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 03 ...

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