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C H A P T E R

C I S C O C O N F I D E N T I A L - D r a f t A 1

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Cisco Aironet 1250 Series Access Point Hardware Installation Guide

OL-8247-02

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Overview

The Cisco Aironet 1250 Series Access Point is available in autonomous and lightweight configurations.
The autonomous access points can support standalone network configurations with all configuration
settings maintained within the access points. The lightweight access points operate in conjunction with
a Cisco wireless LAN controller with all configuration information maintained within the controller.

The 1250 series access point is a Wi-Fi certified, wireless LAN transceiver. The access point supports
two (draft IEEE 802.11n version 2.0) radio modules: a 2.4-GHz radio and a 5-GHz radio.

You can configure the radios separately, using different settings on each. The access point connects
wireless and wired networks or is the center point of a stand-alone wireless network. In large
installations, wireless users within radio range of an access point can roam throughout a facility while
maintaining seamless access to the network.

Product Terminology

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 describes the product when configured to operate as a bridge.

Autonomous Access Points

The autonomous access point (model: AIR-AP1252) supports a management system based on Cisco IOS
software. The access point serves as the connection point between wireless and wired networks or as the
center point of a stand-alone wireless network. In large installations, wireless users within radio range
of an access point can roam throughout a facility while maintaining seamless access to the network.You
can configure and monitor the access point using the command-line interface (CLI), the browser-based
management system, or Simple Network Management Protocol (SNMP).

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Содержание AIR-AP1251AG-A-k9

Страница 1: ...Headquarters Cisco Systems 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 June 2007 Text Part Number OL 8247 02 ...

Страница 2: ... Move the equipment to one side or the other of the television or radio 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...

Страница 3: ...Lightweight Access 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 Transmit Beam Forming 1 5 Maximum Ratio Combining 1 6 Antennas Supported 1 6 LEDs 1 6 Ethernet Port 1 7 Console Port 1 7 Power Sources 1 7 UL 2043 Compliance 1 8 Anti Theft Features 1 9 Network Examples wi...

Страница 4: ...ting Below a Suspended Ceiling 2 8 Mounting Above a Suspended Ceiling 2 9 Mounting Access Point on a Desktop or Shelf 2 13 Connecting the Ethernet and Power Cables 2 14 Connecting to an Ethernet Network with an Inline Power Source 2 15 Connecting to an Ethernet Network with Local Power 2 16 Powering Up the Access Point 2 16 Installing or Removing the Mounting Plate Latch 2 17 Installing the Mounti...

Страница 5: ...ings Using a Browser Need changes 3 12 Running the Carrier Busy Test Needs changes 3 14 Running the Ping Test Needs Changes 3 15 Resetting to the Default Configuration 3 16 Using the MODE Button 3 16 Using the Web Browser Interface 3 16 Reloading the Access Point Image Needs Changes 3 17 Using the MODE Button 3 17 Web Browser Interface 3 18 Browser HTTP Interface 3 18 Browser TFTP Interface 3 19 O...

Страница 6: ...ware 4 15 A P P E N D I X A Translated Safety Warnings A 1 A P P E N D I X B Declarations of Conformity and Regulatory Information B 1 Manufacturers Federal Communication Commission Declaration of Conformity Statement B 2 VCCI Statement for Japan B 3 Department of Communications Canada B 4 Canadian Compliance Statement B 4 European Community Switzerland Norway Iceland and Liechtenstein B 4 Declara...

Страница 7: ...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 Priming Lightweight Access Points Prior to Deployment F 1 A P P E N D I X G Configuring DHCP Option 43 for Lightweight Access Points G 1 Overview G 2 Configuring Option 43 for 1000 Series Access Points G 2 Configuring Option 43 for 1100 1130 1200 1240 1250 and 1300 Series Lightweight Acces...

Страница 8: ...C I S CO CO N F I D E N T I A L D r a ft A 1 Contents viii Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 ...

Страница 9: ...ts refer to the Cisco IOS Command 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 at Technical Support Documentation On the Technical Support Documentation home page click Cisco IOS Software Cisco IOS Software Releases 12 4 Mainli...

Страница 10: ...to the access point s serial console port Appendix F Priming Lightweight Access Points Prior to Deployment describes the procedure to prime access points with controller information Appendix G 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 instru...

Страница 11: ... danger Vous vous trouvez 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 Tra...

Страница 12: ...LAN Controllers listed under Wireless LAN Controllers 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 que constam des...

Страница 13: ...m of the access point 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 AP1251AG A k9 or AIR LAP1251AG 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 CONSOL...

Страница 14: ...C 11 alphanumeric digits 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 s...

Страница 15: ...adio range of an access point can roam throughout a facility while maintaining seamless access to the network Product Terminology 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 ligh...

Страница 16: ... 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 access point and controller This chapter provides information on the following topics Guidelines for Using Cisco Aironet Lightweigh...

Страница 17: ...thernet port see page 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 9 Anti theft features see page 1 10 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 Modul...

Страница 18: ...11n version 2 0 radio and three radio connectors 5 GHz radio module contains a 5 GHz draft IEEE 802 11n version 2 0 radio and three radio connectors identified with blue labels Blank module does not contain a radio or radio 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 rad...

Страница 19: ... draft IEEE 802 11n version 2 0 radio modules support field upgrading to full 802 11n support when the standard is finalized The 2 4 GHz radio supports 802 11b 802 11g and 802 11n modes of operation The 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 In...

Страница 20: ...int antennas Caution The access point antennas and all interconnected equipment must be located indoors within the same building including the associated LAN connections Note The access point has been designed to operate with the antennas listed below and having a maximum gain of 10 dBi for 2 4 GHz and 6 dBi for 5 GHz Antennas not included in this list or having a higher gain are strictly prohibit...

Страница 21: ...oint 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 appropriately Also the interfa...

Страница 22: ...wer Sources The access point can receive power from a 1250 series DC power module or from inline power using the Ethernet cable The access point supports the IEEE 802 3af inline power standard and Cisco CDP Power Negotiation Using inline power you do not need to run a power cord to the access point because power is supplied over the Ethernet cable The access point supports the following power sour...

Страница 23: ...Point LEDs section on page 4 3 UL 2043 Compliance The access point has adequate fire resistance and low smoke producing characteristics suitable for operation in a building s environmental air space such as above suspended ceilings in accordance with Section 300 22 c of the NEC and with Sections 2 128 12 010 3 and 12 100 of the Canadian Electrical Code Part 1 C22 1 Caution The 1250 series power in...

Страница 24: ...s and blocks access to 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 22 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 Secur...

Страница 25: ...n is as a root unit connected 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 co...

Страница 26: ...ation The repeater forwards 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 in...

Страница 27: ...all stations together The access point 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 Bridge Network with Wireless Clients The access point supports root bridge and non root bridge roles used to interconnect a remote LAN to t...

Страница 28: ...Network The access point supports a workgroup bridge role to interconnect remote Ethernet workstations to the main LAN The workgroup bridge can communicate with an access point see Figure 1 9 or with a bridge see Figure 1 10 Figure 1 9 Workgroup Bridge Communicating with an Access Point Figure 1 10 Workgroup Bridge Communicating with a Bridge Access point Workgroup bridge 135448 Bridge Workgroup b...

Страница 29: ...e Configuration Network Example with Lightweight Access Points The lightweight access points support Layer 3 network operation Lightweight access points and controllers 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 containi...

Страница 30: ...C I S CO CO N F I D E N T I A L D r a ft A 1 1 16 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 Chapter 1 Overview Network Example with Lightweight Access Points ...

Страница 31: ...allation Guidelines page 2 4 Before Beginning the Installation page 2 4 Installation 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 Access Point on a Desktop or Shelf page 2 14 Connecting the Ethernet and Power Cables page 2 15 Powering Up the Access ...

Страница 32: ...ings Translated versions 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...

Страница 33: ...s 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 autonomous access point Mounting hardware kit One mounting plate two 4 x 40 x 3 16 in screws and a mounting plate latch all attached to the access point...

Страница 34: ...l interference Before Beginning the 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 Caution Be careful when handling the access point the bottom plate might be hot Caution The access point and all i...

Страница 35: ... see the Securing the Access Point section on page 2 22 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 se...

Страница 36: ...ntal air space such as above suspended ceilings in accordance with Section 300 22 C of the National Electrical Code NEC Caution The 1250 series power injector AIR PWRINJ4 1250 series DC power module AIR PWR SPLY1 and the antennas have not been tested to UL 2043 and they must not be placed in a building s environmental air space such as above suspended ceilings 1 Mounting plate latch opening 5 Susp...

Страница 37: ...rk the locations of four mounting holes Note When mounting in a vertical location ensure the mounting bracket latch opening is on top see Figure 2 2 Step 2 Drill one of the following sized holes at the locations you marked 3 16 in 4 7 mm if you are using wall anchors 1 8 in 6 3 mm if you are not using wall anchors you must attach the mounting plate to a stud or major structural member and use appr...

Страница 38: ...t and Power Cables section on page 2 15 Step 9 Prior to attaching the access point to the mounting plate ensure that the radio modules are completely inserted andboth module latches are in the locked position see Figure 2 16 Step 10 Attach the access point to the mounting plate see Mounting Plate Attached to a Surface section on page 2 21 Step 11 If you need additional security refer to the Securi...

Страница 39: ...ting 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 1 Suspended ceiling T rail 4 Mounting plate 2 T rail clips 5 Keps nut contains an attached lock washer 3 Plastic spacer used with recessed ceiling tiles 230556 2 3 5 1 2...

Страница 40: ...ighten Step 8 Optionally 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 mounti...

Страница 41: ...512A with BHC mounting clip 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 It may be helpful to refer to Figure 2 4 before proceeding Figure 2 4 Above Suspended Ceiling Parts Caution The 1250 series power injector AIR PWRINJ4 1250 series DC power module AIR PWR SPLY1 and the antennas have...

Страница 42: ...g clip holes on the mounting plate see Figure 2 5 Figure 2 5 Mounting Clip Holes Follow these steps to mount the access point above a suspended ceiling Step 1 Insert the bracket mounting clip s tab into the large hole on the access point mounting plate Step 2 Place the clip over the T bar box hanger and secure it to the access point mounting plate see Figure 2 6 with the 1 4 20 fastener supplied w...

Страница 43: ...igure 2 4 Step 6 Attach the T rail clips on each end of the T bar 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 hole provided in the bracket mounting clip This additional support is required in order to comply with the U S National Electrical Safety Code Step 8 Optionally y...

Страница 44: ...e 2 17 Mounting Access Point on a Desktop or Shelf When placing the access point on a desktop of shelf the use of the mounting plate is optional The access point is shipped with the mounting plate and the mounting plate latch installed You can use a padlock and a PC type security cable to physically secure the access point see the Securing the Access Point section on page 2 22 If you do not need t...

Страница 45: ... radio modules At power 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 ...

Страница 46: ...ll power and reconnect 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 8 Figure 2 8 Ethernet and Power Ports Step 2 Connect the other end of the Ethernet cable to the Ethernet conne...

Страница 47: ...n on securing your access point see the Securing the Access Point section on page 2 22 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 gr...

Страница 48: ...Plate Latch 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 9 Step 2 Place the mounting plate latch over the two screw holes Step 3 Screw two 0 125 in 0 318 cm 4x40 screws into the screw holes Removing the Mounting Plate Latch Follow ...

Страница 49: ...allation process The mounting plate latch must be on the access point bottom plate to enable the mounting plate to be installed see the Installing the Mounting Plate Latch section on page 2 18 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 a wall or ceiling surface f...

Страница 50: ...the mounting plate latch opening see Figure 2 10 Figure 2 10 Aligning the Mounting Plate Slots with the Rubber Feet on the Access Point 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 22 Step 6 To secure your access point with a PC type security cable see the Using a Se...

Страница 51: ...ule latches are in the locked position see Figure 2 16 Step 2 Locate 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 9 towards the end of the mounting plate with the latch opening Step 4 Place the access point on the mounting plate and align the access point side with the security cabl...

Страница 52: ...secure the access point to the mounting plate to prevent removal of the radio modules Known compatible padlocks are Master Lock models 120T or 121T Figure 2 12 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 plate The access point is ship...

Страница 53: ...low these steps Step 1 Insert the padlock into the padlock hole on the mounting plate see Figure 2 13 Figure 2 13 Installing the Padlock Step 2 Rotate the padlock to the lock position and then positionthe padlock to the side of the access point see Figure 2 14 Figure 2 14 Position the Padlock for Locking Step 3 Push the padlock against the side of the hole to lock the padlock TO R E L E A S E P U ...

Страница 54: ...ccess 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 Step 3 Insert...

Страница 55: ...nstructions Step 1 Verify the location of the mounting plate latch see Figure 2 12 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 15 Figure 2 15 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 St...

Страница 56: ... securing or removing modules 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 16 Figure 2 16 Access Point Module Latches 1 Slot 1 module latch 3 Console connector and MODE button 2 ...

Страница 57: ...ling the Access Point Removing a Radio Module Step 2 Use your right or left thumb to push the module lever to the open position see Figure 2 17 Figure 2 17 Opening the Module Latch Step 3 When the module lever reaches the open position see Figure 2 16 gently pull the radio module from the access point 1 Push module lever to open 48vDC 290903 1 ...

Страница 58: ... insert a radio module Step 1 Carefully insert the access point module rails into the radio module slots see Figure 2 18 Figure 2 18 Inserting the Radio Module Step 2 Slowly slide the radio module into the access point until you feel resistance Step 3 Ensure the module latch is in the fully open position see Figure 2 19 Note If the module latch is not in the open position the latch will not allow ...

Страница 59: ... a Radio Module Figure 2 19 Module Latch Position During Module Installation Step 4 Use your thumb to push the module latch close while you are squeezing with your fingers see Figure 2 20 Continue pushing until the module latch clicks Figure 2 20 Closing the Module Latch 1 Radio module latch notch 3 Latch open position 2 Module latch 230902 3 2 1 1 Push module latch 1 230901 ...

Страница 60: ...C I S CO CO N F I D E N T I A L D r a ft A 1 2 30 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 Chapter 2 Installing the Access Point Inserting a Radio Module ...

Страница 61: ...to the Cisco Technical Support and Documentation website at the following URL http www cisco com en US products hw wireless tsd_products_support_category_home 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 ...

Страница 62: ...Ds Checking the Autonomous 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 RAD...

Страница 63: ...green 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 Blinking green Transmitting or receiving Ethernet packets Blinking green Transm...

Страница 64: ...Amber Rapid blinking red Off Bad MAC address Red Blinking red and off Off Ethernet failure during image recovery Amber Blinking red and off Amber Boot environment error Red Blinking red and off Amber No Cisco IOS image file Amber Blinking red and off Amber Boot failure Cisco IOS errors Blinking amber Transmit or receive Ethernet errors Blinking amber Maximum retries or buffer full occurred on the ...

Страница 65: ...es These changes to the default configuration improve the security of newly 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 When the Summary Status page displays click Network Int...

Страница 66: ... 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 authenticate with your access point must support the same se...

Страница 67: ...n power up the access point is placed into low power mode both radios are 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 ...

Страница 68: ...ges are logged on the console port by the access 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 power module and can support full power operation 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 nego...

Страница 69: ...This message indicates 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 mess...

Страница 70: ...tform 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_POWER_CLASSIC_NOT_ CONFIGURED inline power source platform name MAC address This message indicat...

Страница 71: ...fy 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 installed command will fail if CDP is disabled Wh...

Страница 72: ...ith 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 Installed Power Source Cisco IOS Commands Access Point Cisco Switch AC power module None required power...

Страница 73: ...ablish a session with the access point refer to the Connecting to the Access Point Locally section on page 3 23 Step 2 From the global configuration mode refer to the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points enter the command below that applies to your power configuration see Table 3 3 and Table 3 4 power inline negotiation injector installed no power inline negotiati...

Страница 74: ...wer injector detected Figure 3 3 System Power Settings Table 3 5 and Table 3 6 lists the access point system power settings and the Cisco switch power commands for several power options Table 3 5 System Power Settings and Cisco Switch Commands for Access Points with a Single Radio Module Power Source Access Point System Power Settings Cisco Switch Power Command AC power module Configuration change...

Страница 75: ...co IOS release supports Intelligent Power Management Support for Intelligent Power Management might not be currently available for your Cisco power source 2 Power injector must be AIR PWRINJ4 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 Switch Power Command AC power module Configuration cha...

Страница 76: ...es the MAC address contains 12 hexadecimal digits Note The MAC address field is not case sensitive Step 5 Click Apply and a message displays indicating that you should disable pop up blockers before proceeding Step 6 Click OK to continue Your access point reboots and your power settings are configured in the access point Note You might have to refresh your browser page to obtain the latest browser...

Страница 77: ...he location of the module slots Step 3 Click the Carrier Busy Test tab and the Carrier Busy Test page displays Step 4 Click Start to begin the carrier busy test When the test completes the results are displayed on the page For each of the channel center frequencies the test produces a value indicating the percentage of time that the channel is busy Step 5 To perform a link test on the second radio...

Страница 78: ... these steps a Enter the number of packets in the Number of Packets field b Enter the packet size in the Packet Size field c Click Start Step 6 If you want to use a continuous test follow these steps a Enter the packet size in the Packet Size field b Click Start to activate the test c Click Stop to stop the test When the test has completed the test results are displayed at the bottom of the page Y...

Страница 79: ...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 Enter your username in the User Name field Step 4 Enter the access point password in the Password field and press Enter The Summary Status page displays Step 5 Click System Software and the System Software page displays Ste...

Страница 80: ...k9w7 tar 123 11 JA tar into the TFTP server folder on your PC For additional information refer to the Obtaining the Access Point Image File and Obtaining the TFTP Server Software sections Step 3 Rename the access point image file in the TFTP server folder to c1250 k9w7 tar default Step 4 Activate the TFTP server Step 5 If using in line power use a Category 5E or higher Ethernet cable to connect yo...

Страница 81: ...000 platforms and with Netscape version 7 0 on Windows 98 Windows 2000 and Solaris platforms Note When using the access point browser 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 Enter your username in the User Name field Step 4 Enter the access point pa...

Страница 82: ...the User Name field Step 4 Enter the access point password in the Password field and press Enter The Summary Status page displays Step 5 Click the System Software tab and then click Software Upgrade The HTTP Upgrade page displays Step 6 Click the TFTP Upgrade tab Step 7 Enter the IP address for the TFTP server in the TFTP Server field Step 8 Enter the file name for the access point image file such...

Страница 83: ...Cisco IOS release desired such as 12 4 1 JA Step 7 Click Wireless LAN for an access point image file such as c1250 k9w7 tar 123 11 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 ...

Страница 84: ...ns 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 Obtaining the TFTP Server Software You c...

Страница 85: ...information refer to the Cisco Technical Support and Documentation website at the following URL http www cisco com en US products hw wireless tsd_products_support_category_home 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 6 Manu...

Страница 86: ... 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 support eight Basic Service Set Identifiers BSSIDs per radio and a total of eight wireless LANs per access point When an access point associates to a controller only wireless LANs with IDs 1 through 8 are pushed to the access point Th...

Страница 87: ...ghtweight Access 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 Need New Picture...

Страница 88: ... 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 Blinking green Transmitting or receiving Ethernet packets Blinking green Transmittin...

Страница 89: ...t failure Cisco IOS errors Blinking amber Transmit or receive Ethernet errors Blinking amber Maximum retries or buffer full occurred on the radio Red Off Red 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 ...

Страница 90: ...r sourcing equipment PSE such as a power injector is higher by an amount dependent on the length of the interconnecting cable Note Current switches power patch pannels and IEEE 802 3af compliant power sources are not able to provide sufficient power to the access point Note If your access point is connected to in line power do not connect the power module to the access point Using two power source...

Страница 91: ...ower source However the power source cannot report the power available to the access point unless the power source also supports Intelligent Power Management Some Cisco switches that are capable of supplying sufficient power require a software upgrade to support Intelligent Power Management If the software upgrade is not desired you can configure the access point to operate in pre standard compati...

Страница 92: ... power source This message indicates the access point is operating at full power because it has detected multiple Cisco devices The access point power is being supplied from a power injector or a non Cisco power source because a Cisco power source does not forward CDP packets CDP_PD 4 POWER_OK Full Power NON_CISCO NO_CDP_RECEIVED inline power source This message indicates the access point is opera...

Страница 93: ... a CDP device that is unable to supply sufficient power to the access point A power injector has been configured but it is for another port It is likely that the access point has been relocated and has not been reconfigured for a new power injector The platform name indicates the CDP device detected by the access point The MAC address indicates the MAC address of the CDP device typically the switc...

Страница 94: ...o switch that is providing power to the access point Each Cisco switch should be upgraded to support Intelligent Power Management Until the software is upgraded you can use your controller to configure the access point to operate with older switch software using these controller CLI commands 1 config ap power pre standard enable ap where ap is the access point name on the controller 2 config ap po...

Страница 95: ...with the controller the controller reconfigures the access point with new controller settings but the static IP addresses for the access point and the default gateway are not changed Table 4 3 Using CLI Power Commands Changes Needed Power Source CLI Commands Cisco Wireless LAN Controller Cisco Switch AC power module None required power inline never Cisco switch that supports Intelligent Power Mana...

Страница 96: ...r 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 Access...

Страница 97: ...on to Return the Access Point to Autonomous Mode Follow these steps to return a lightweight access point to autonomous mode using the access point MODE button and a TFTP server Note The access point MODE button is enabled by default but you need to verify that the MODE button is enabled see the MODE Button Setting section on page 4 14 Step 1 Set the static IP address of the PC on which your TFTP s...

Страница 98: ...r you must be a registered user You can register from the main Cisco com web page at this URL http cisco com Step 1 Use your Internet browser to access the Cisco Software Center at the following URL http tools cisco com support downloads pub MDFTree x butype wireless Step 2 On the Enter Network Password window enter your Cisco com username and password and click OK Step 3 Click Access Points Airon...

Страница 99: ...nnecting to the access point console port Step 1 Connect a nine pin female DB 9 to RJ 45 serial cable to the RJ 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 ...

Страница 100: ...leshooting 1250 Series 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 ...

Страница 101: ...int 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 en US products hw wireless tsd_products_support_category_home 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...

Страница 102: ...C I S CO CO N F I D E N T I A L D r a ft A 1 A 2 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 Appendix A Translated Safety Warnings ...

Страница 103: ...cess Point This appendix contains the following sections Manufacturers Federal Communication Commission Declaration of Conformity Statement page B 2 Department of Communications Canada page B 4 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 Administrat...

Страница 104: ...in a residential environment 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 i...

Страница 105: ...I devices are restricted to indoor operations to reduce any potential for harmful interference to co channel Mobile Satellite System MSS operations VCCI Statement for Japan Warning This is a Class B product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment VCCI If this is used near a radio or television receiver in a domestic environment ...

Страница 106: ...g two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Cisco Aironet 2 4 GHz Access Points are certified to the requirements of RSS 210 for 2 4 GHz spread spectrum devices and Cisco Aironet 54 Mbps 5 GHz Access Points are certified to the requirements of RSS 210 for 5 GHz sp...

Страница 107: ... 1250 Series Access Point Hardware Installation Guide OL 8247 02 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 ...

Страница 108: ...in This device complies 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 operati...

Страница 109: ...4 addressing RF Exposure 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 ...

Страница 110: ...as industrial scientific 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 caus...

Страница 111: ...n Administrative Rules 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 ...

Страница 112: ...or change its original 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 stati...

Страница 113: ...gulatory Information Declaration 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 ...

Страница 114: ...A L D r a ft A 1 B 12 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 Appendix B Declarations of Conformity and Regulatory Information Declaration of Conformity Statements for European Union Countries ...

Страница 115: ...t traffic status and 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 mi...

Страница 116: ...ntenna 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 Data Rates Mbps 802 11b 802 11g 802 11n 802 11n 1 2 5 5 and 11 6 9 12 18 24 36 48 and 54 6 5 7 22 13 13 5 14 44 1...

Страница 117: ... 15 401 15 407 FCC Bulletin OET 65C RSS 210 and RSS 102 EN 301 893 AS 4268 2 ARIB STD T71 Telec 33B 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 C 1 Access Point Specifications continued Category 2 4 GHz Radio Specifications 5 GHz Radio Specifications ...

Страница 118: ...C I S CO CO N F I D E N T I A L D r a ft A 1 C 4 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 Appendix C Access Point Specifications ...

Страница 119: ... Points 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 en US products hw wireless tsd_products_support_category_home html Step 2 Click Cisco Aironet 1250 Series listed under Access Points Step 3 Click Install and Upgrade Guides S...

Страница 120: ...C I S CO CO N F I D E N T I A L D r a ft A 1 D 2 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 Appendix D Channels and Power Levels ...

Страница 121: ... Installation Guide OL 8247 02 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 ...

Страница 122: ...t s console port to the 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...

Страница 123: ...htweight access points in a convenient location rather than after they are installed in possibly difficult to reach locations This process can be used when a DHCP server is not reachable by your deployed access point and it helps limit potential installation problems to primarily Ethernet and power areas Figure F 1 illustrates a typical priming configuration for your lightweight access points Figu...

Страница 124: ...nsure that its DS Port is connected to the switch Use the CLI web browser interface or Cisco WCS procedures as described in the appropriate controller guide a In multi controller environments You can set one controller s DS port to Master you can use the config network master base disable CLI command or you can use the controller GUI so that new access points always associate with it You can use t...

Страница 125: ... Step 7 Use the controller CLI controller GUI or Cisco WCS to configure the lightweight access point with primary secondary and tertiary controller names Step 8 If the lightweight access point is in a Controller Mobility Group use the controller CLI controller GUI or Cisco WCS to configure the Controller Mobility Group name Step 9 Use controller CLI controller GUI or Cisco WCS to configure the acc...

Страница 126: ...C I S CO CO N F I D E N T I A L D r a ft A 1 F 4 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 Appendix F Priming Lightweight Access Points Prior to Deployment ...

Страница 127: ...ix describes the steps needed to configure DHCP Option 43 on a Windows 2003 Enterprise DHCP server such as a Cisco Catalyst 3750 series switch for use with Cisco Aironet lightweight access points This appendix contains these sections Overview page G 2 Configuring Option 43 for 1000 Series Access Points page G 2 Configuring Option 43 for 1100 1130 1200 1240 1250 and 1300 Series Lightweight Access P...

Страница 128: ...ion 60 The VCI strings for Cisco access points capable of operating in lightweight mode are listed in Table G 1 The format of the TLV block for 1100 1130 1200 1240 1250 and 1300 series access points is listed below Type 0xf1 decimal 241 Length Number of controller IP addresses 4 Value List of WLC management interfaces Configuring Option 43 for 1000 Series Access Points To configure DHCP Option 43 ...

Страница 129: ... 126 126 2 and 10 127 127 2 add the following line to the DHCP pool in the Cisco IOS CLI option 43 ascii 10 126 126 2 10 127 127 2 The quotation marks must be included Configuring Option 43 for 1100 1130 1200 1240 1250 and 1300 Series Lightweight Access Points To configure DHCP Option 43 for Cisco Aironet 1100 1130 1200 1240 1250 and 1300 series lightweight access points in the embedded Cisco IOS ...

Страница 130: ...concatenating the TLV values shown below Type Length Value Type is always f1 hex Length is the number of controller management IP addresses times 4 in hex Value is the IP address of the controller listed sequentially in hex For example suppose that there are two controllers with management interface IP addresses 10 126 126 2 and 10 127 127 2 The type is f1 hex The length is 2 4 8 08 hex The IP add...

Страница 131: ...1b The IEEE standard that specifies carrier sense media access control and physical layer specifications for 5 5 and 11 Mbps wireless LANs operating 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 wirel...

Страница 132: ...network provides wireless domain services WDS and creates a cache of security credentials for CCKM enabled client devices on the subnet The WDS access point s cache of credentials dramatically reduces the time required for reassociation when a CCKM enabled client device roams to a new access point cell The area of radio range or coverage in which the wireless devices can communicate with the base ...

Страница 133: ...translates text names into IP addresses The server maintains a database of host alphanumeric names and their corresponding IP addresses DSSS Direct sequence spread spectrum A type of spread spectrum radio transmission that spreads its signal continuously over a wide frequency band E EAP Extensible Authentication Protocol An optional IEEE 802 1x security feature ideal for organizations with a large...

Страница 134: ... Access Control address A unique 48 bit number used in Ethernet data packets to identify an Ethernet device such as an access point or your client adapter MBSSID Multiple basic SSID Each multiple basic SSID is assigned a unique MAC address You use multiple BSSIDs to assign a unique DTIM setting for each SSID and to broadcast SSIDs in beacons one SSID per beacon modulation Any of several techniques...

Страница 135: ...et radios and antennas Part 15 203 of the FCC rules covering spread spectrum devices limits 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 technolog...

Страница 136: ...tween the client and the 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 ...

Страница 137: ... 2 9 bridge configuration 1 1 C cables connecting 2 14 central unit 1 12 CLI terminal emulator settings 3 21 4 15 connectors C 1 C 2 console port 1 2 1 7 E 2 controller 1 2 D DC power module 1 8 2 14 declarations of conformity B 1 default configuration resetting 3 16 DHCP Option 43 4 2 G 1 DHCP pool G 2 E Ethernet LED 1 6 MAC address 1 7 port 1 7 extended temperature range 2 3 2 4 F FCC Declaratio...

Страница 138: ...s 2 5 mounting plate holes 2 6 installation 2 18 latch 2 17 2 20 2 24 marking 2 19 N needed material 2 7 network examples 1 10 non root bridge 1 12 O operating temperature C 1 outline on mounting plate 2 19 P package contents 2 3 padlock 2 21 padlock hole 2 20 padlock security 1 9 password reset 3 16 pinouts serial cable E 2 point to point bridge configuration 1 14 power connecting 2 14 input C 1 ...

Страница 139: ...ule xiv size access point C 1 slot 1 2 24 slot 2 2 24 status indicators C 1 Status LED 1 6 T T bar box hanger 2 9 T bar grid 2 9 temperature operating C 1 storage C 1 terminal emulator 3 21 4 15 terminal emulator settings 1 7 TFTP server 3 17 T rail clip studs 2 9 troubleshooting 3 1 4 1 type length value TLV G 2 U UL2043 compliance 1 8 Unlicensed National Information Infrastructure UNII 1 5 unpac...

Страница 140: ...C I S CO CO N F I D E N T I A L D r a ft A 1 Index IN 4 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL 8247 02 ...

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