Cisco Aironet 1140 Series User manual

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Updated: February 11, 2010
Getting Started Guide: Cisco Aironet 1140 Series Autonomous
Access Point
Table Of Contents
Cisco Aironet 1140 Series Autonomous Access Point
About this Guide
Safety Instructions
Overview
Verifying Shipped Components
Key Ports and Components
Performing a Site Survey
Obtaining and Assigning an IP Address
Connecting to the Access Point Locally
Assigning the IP Address to the BVI
Assigning an IP Address Using the CLI
Mounting the Access Point
Conguring Basic Settings
Default Settings on the Express Setup Page
Enabling the Radio Interfaces
Conguring Security Settings
Conguring Basic Security Settings
Understanding Express Security Settings
Using VLANs
Express Security Types
Conguring Security for 802.11n
Express Security Limitations
Using the Express Security Page
Troubleshooting
Checking the Access Point LED
Conguring System Power Settings
Finding More Troubleshooting Help
Access Point Specications
Obtaining Documentation and Submitting a Service Request
Declarations of Conformity and Regulatory Information
Manufacturers Federal Communication Commission Declaration of Conformity Statement
VCCI Statement for Japan
Guidelines for Operating Cisco Aironet Access Points in Japan
Japanese Translation

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English Translation
Statement 371—Power Cable and AC Adapter
English Translation
Industry Canada
Canadian Compliance Statement
European Community, Switzerland, Norway, Iceland, and Liechtenstein
Declaration of Conformity with Regard to the R&TTE Directive 1999/5/EC
Declaration of Conformity for RF Exposure
United States
Canada
European Union
Australia
Administrative Rules for Cisco Aironet Access Points in Taiwan
Chinese Translation
English Translation
Chinese Translation
Operation of Cisco Aironet Access Points in Brazil
Access Point Models
Regulatory Information
Portuguese Translation
English Translation
Getting Started Guide
Cisco Aironet 1140 Series Autonomous Access Point
78-18997-01
1 About this Guide
This Guide explains how to install and congure your Cisco Aironet 1140 Series Autonomous
Access Point. This guide also provides mounting instructions and limited troubleshooting
procedures.
2 Safety Instructions
Translated versions of the following safety warnings are provided in the translated safety warnings
document that is shipped with your access point. The translated warnings are also in the Translated
Safety Warnings for Cisco Aironet Access Points, which is available on your documentation CD and
cisco.com.
Warning IMPORTANT SAFETY INSTRUCTIONS
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.

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Use the statement number provided at the end of each warning to locate its
translation in the translated safety warnings that accompanied this device.
Statement 1071
SAVE THESE INSTRUCTIONS
Warning Read the installation instructions before you connect the system to its
power source. Statement 1004
Warning This product must be connected to a Power-over-Ethernet (PoE) IEEE
802.3af compliant power source or an IEC60950 compliant limited power source.
Statement 353
Warning This equipment must be externally grounded using a customer-supplied
ground wire before power is applied. Contact the appropriate electrical inspection
authority or an electrician if you are uncertain that suitable grounding is available.
Statement 366
Warning Installation of the equipment must comply with local and national
electrical codes. Statement 1074
Warning This product relies on the building's installation for short-circuit
(overcurrent) protection. Ensure that the protective device is rated not greater than:
20A. Statement 1005
Warning Do not operate your wireless network device near unshielded blasting caps
or in an explosive environment unless the device has been modied to be especially
qualied for such use. Statement 245B
Warning In order to comply with FCC radio frequency (RF) exposure limits, antennas
should be located at a minimum of 7.9 inches (20 cm) or more from the body of all
persons.
Statement 332

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Caution When mounting the access point to a wall or ceiling, be sure to use appropriate fasteners.
The fasteners used must be capable of maintaining a minimum pullout force of 20 lbs (9
kg) and must use all 4 indented holes on the low-prole mounting bracket.
Caution This product and all interconnected equipment must be installed indoors within the same
building, including the associated LAN connections as dened by Environment A of the
IEEE 802.af Standard.
Note The access point is suitable for use in environmental air space in accordance with section
300.22.C of the National Electrical Code and sections 2-128, 12-010(3), and 12-100 of
the Canadian Electrical Code, Part 1, C22.1. You should not install the power supply or
power injector in air handling spaces.
Note Use only with listed ITE equipment.
3 Overview
This section explains necessary tasks prior to installing the 1140 series access point.
Verifying Shipped Components
To unpack and verify the contents of the 1140 series access point and accessory kit, follow these
steps:
Step1 Unpack and remove the access point and the accessory kit from the shipping box.
Step2 Return any packing material to the shipping container and save it for future use.
Step3 Verify that you have received the items shown in Figure1. If any item is missing or
damaged, contact your Cisco representative or reseller for instructions.
Figure1 Shipping Box Contents

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1
Standard ceiling adjustable T-rail clip
3
1140 series access point
2
Mounting bracket
4
6-32 x 1/4 in. (0.63 cm) at head screws
Key Ports and Components
Familiarize yourself with the access point before continuing with the installation. Figure2 shows the
access point key components.
Figure2 Access Point Ports and Connections
1
Kensington lock
slot
4
Console port
2
Power connection
5
Security padlock and hasp
3
Ethernet port
6
Low-prole mounting bracket pins (feet for desk or table-top
mount)
Performing a Site Survey
Before you mount and deploy your access point, we recommend that you perform a site survey (or
use a site planning tool) to determine the best location to install your access point.
You should have the following information about your wireless network available:
• Access point locations.
• Access point mounting options: below a suspended ceiling, on a at horizontal surface, or on a
desktop.

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Note You can mount the access point above a suspended ceiling but you must purchase
additional mounting hardware: See the "Mounting the Access Point" section for additional
information.
• Access point power options: power supplied by a DC power supply, PoE from a network device,
or a PoE power injector/hub (usually located in a wiring closet).
Note Access points mounted in a building's environmental airspace must be powered using PoE
to comply with safety regulations.
Cisco recommends that you make a site map showing access point locations so that you can
record the device MAC addresses from each location and return them to the person who is
planning or managing your wireless network.
4 Obtaining and Assigning an IP Address
To browse to the access point Express Setup page, you must either obtain or assign the access
point IP address using one of these methods:
Note The access point does not have a default IP address.
• Assign a static IP address by connecting to its console port and accessing the access point CLI.
• Use a DHCP server (if available) to automatically assign an IP address. You can nd out the
DHCP-assigned IP address by using one of the following methods:
– Connect to the access point console port and use a Cisco IOS command to display the IP
address, such as show interface bvi1.
– Provide your organization's network administrator with your access point MAC address. Your
network administrator will query the DHCP server using the MAC address to identify the IP
address. The MAC address is on a label attached to the bottom of the access point.
– Use the CLI and serial port to identify the assigned IP address.
Connecting to the Access Point Locally
If you need to congure the access point locally (without connecting it to a wired LAN), you can
connect a PC to its console port by using a DB-9 to RJ-45 serial cable.
Caution Be careful when handling the access point, the bottom plate might be hot.
Follow these steps to open the CLI by connecting 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.

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Note The Cisco part number for the serial cable is AIR-CONCAB1200.
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 ow control.
Assigning the IP Address to the BVI
When you assign an IP address to the access point by using the CLI, you must assign the address
to the bridge-group virtual interface (BVI). Beginning in a privileged EXEC mode, follow these steps
to assign an IP address to the access point BVI using the access point console port.

Command
Purpose
Step1
congure terminal
Enter global conguration mode.
Step2
interface bvi1
Enters interface conguration mode for the BVI.
Step3
ip address ip_address
net_mask
Assigns an IP address and subnet mask address to
the BVI.
Assigning an IP Address Using the CLI
Follow these steps to access the CLI using a Telnet session. These steps are for a PC running
Microsoft Windows with a Telnet terminal application. Check your PC operating instructions for
detailed instructions.
Step1 Select Start > Programs > Accessories > Telnet.
If Telnet is not listed in your Accessories menu, select Start > Run, type Telnet in the entry
eld, and press Enter.
Step2 When the Telnet window appears, click Connect and select Remote System.
Step3 In the Host Name eld, type the access point IP address and click Connect.
Note If you are connected to the access point using a Telnet session, you lose your connection to
the access point when you assign a new IP address to the BVI. If you need to continue
conguring the access point using Telnet, use the new IP address to open another Telnet
session to the access point.
5 Mounting the Access Point
Cisco Aironet 3500, 1260, 1140, 1130, and 1040 series access points can be mounted in several
congurations, including on a suspended ceiling, on a hard ceiling or wall, on an elecrtical or
network box, and above a suspended ceiling. Click this URL to browse to complete access point
mounting instructions:
http://www.cisco.com/en/US/docs/wireless/access_point/mounting/guide/apmount.html

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Note The integrated antenna design of the 1140 series access point is designed for horizontal
surfaces, (table top and ceiling installations). When mounted to such surfaces, the
integrated antennas produce the best antenna radiation pattern. For advanced features
such as voice, location, and rogue access point detection, ceiling mounting is strongly
recommended. However, for smaller areas such as conference rooms, kiosks,
transportation, and hot-spot usage where the customer is concerned primarily with data
coverage and not advanced features, you can mount the unit on a wall using wall anchors.
Caution Do not use plastic wall anchors or the keyhole slots on the mounting bracket for ceiling
installations. When mounting the access point on a hard ceiling, use four fasteners
capable of maintaining a minimum pullout force of 20 lbs (9 kg).
6 Conguring Basic Settings
Before you can congure basic settings, the access point and your PC needs an IP address. See
the "Obtaining and Assigning an IP Address" section.
Follow these steps to congure basic settings for the access point using the GUI Express Setup
page.
Step1 Open your browser, and enter the access point IP address in the address eld. A username
and password screen appears.
Step2 Enter the username Cisco and password Cisco. The username and password are case
sensitive.
Step3 Press Enter. The Summary Status page appears.

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Step4 If required, congure the power settings as described in the previous section. Otherwise,
Click Express Setup. The Express Setup page appears.

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Step5 Congure the settings using the following sections as a guide.
• Host Name—The host name (or system name) is a name for the access point that identies it on
your network. The system name appears in the titles of the management system pages.
• Conguration Server Protocol—This setting species how the access point obtains an IP
address.
DHCP—IP address is automatically assigned by the network DHCP server.
Static IP—The access point uses a static IP address that you enter in the IP address
eld.
• IP Address—This setting assigns or changes the access point IP address. If DHCP is enabled,
the access point obtains its IP address from your network DHCP server. You can assign a static IP
address in this eld.
• IP Subnet Mask—The IP subnet mask identies the subnet on which the access point resides.
This subnet is provided by your network administrator. If DHCP is enabled, leave this eld blank.
• Default Gateway—The default gateway identies the address the access point uses to access
another network. This gateway is provided by your network administrator. If DHCP is enabled, leave
this eld blank.
• Web Server—This setting species the type of HTTP used to access the access point using a
web browser.
Standard (HTTP)—Standard protocol used to transfer HTML using unencrypted
trac between web browsers.
Secure (HTTPS)—Protocol used to transfer secure data by using encrypted trac to
and from the user by means of a Secure Socket Layer (SSL).

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• SNMP Community—The SNMP Community setting identies and sets attributes for the Simple
Network Management Protocol (SNMP) used to manage the network on which the access point
resides.
Read-Only—Access point allows only SNMP read access.
Read-Write—Access point allows read and write access.
Conguring the Radios
Your 1140 series access point includes two internal radios, which must be congured
individually in Express Setup. Select the role, optimization setting, and extension capabilities
for Radio0 (802.11N2.4GHz ) and Radio1 (802.11N5GHz ).
• Role in Radio Network—Determines what function each radio in the access point performs in the
wireless network.
Access Point—Species that the unit operates as an access point connected to the
main Ethernet LAN network. In this mode, wireless clients associate to the access
point.
Repeater—Species that the unit operates as a repeater access point not
connected to Ethernet LAN. In this mode, wireless clients associate to the access
point.
Root Bridge—Species that the unit operates as a root bridge and connects directly
to the main Ethernet LAN. In this mode, the unit accepts associations from other
Cisco Aironet non-root bridges and wireless client devices.
Workgroup Bridge—Species that the unit operates as a workgroup bridge
connected to a small wired Ethernet LAN network through an Ethernet hub or
switch. The workgroup bridge must associate to a Cisco Aironet access point or
bridge.
Scanner—Species that the unit is congured by a Cisco WLSE and operates as a
scanner and reports network trac to the Cisco WLSE.
• Optimize Radio Network For—Optimizes the access point radio performance in the wireless
network by adjusting data rates. This setting must match the setting on the clients.
Throughput—Maximizes data volume handled by the access point but might reduce
its range.
Range—Maximizes the access point range but might reduce throughput.
Default—The access point uses its default data rate settings for the radio selected.
Custom—The access point uses settings that you enter on the radio settings page.
Clicking Custom takes you to the radio settings page.
• Aironet Extensions—By default, the access point uses Cisco Aironet 802.11 extensions to
detect the capabilities of Cisco Aironet client devices and to support features that require specic
interaction between the access point and associated client devices. Aironet extensions must be
enabled to support features such as load balancing, Message Integrity Check (MIC), Temporal Key
Integrity Check (TKIP), Repeater Mode, and World Mode. Disabling Aironet Extensions disables the
features mentioned above, but it sometimes improves the ability of non-Cisco client devices to
associate to the access point.
Default Settings on the Express Setup Page
Table1 lists the default settings on the Express Setup page.
Table1 Express Setup Default Settings

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Setting
Default
System Name
ap
Conguration Server Protocol
DHCP
IP Address
Assigned by DHCP
Note The access point does not have a default IP address.
IP Subnet Mask
Assigned by DHCP
Default Gateway
Assigned by DHCP
Role in Radio Network
Access point
Web Server
Standard (HTTP)
SNMP Community
default Community
Optimize Radio Network for
Throughput
Aironet Extensions
Enable
Note You can restore the access point to its factory defaults by unplugging the power jack and
plugging it back in while holding the Mode button down until the Ethernet LED turns amber
(approximately 2 to 3 seconds).
Enabling the Radio Interfaces
The access point radios are disabled by default, and there is no default SSID. You must create an
SSID and enable the radios before the access point allows wireless associations from other
devices. Refer to the "Conguring Basic Security Settings" section for instructions on conguring
the SSID.
Follow these steps to enable the radio interfaces:
Step1 Browse to your access point.
Step2 When the Summary Status page appears, click 802.11N2.4GHz . The 2.4-GHz radio status
page appears.
Step3 Choose the Settings tab at the top of the page. The Radio Settings page appears.
Step4 Click Enable in the Enable Radio eld.

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Step5 Click Apply.
Step6 Return to the Summary Status page and click 802.11N5GHz . The 5-GHz radio status page
appears.
Step7 Repeat Steps 3-5.
Step8 Close your web browser.
Conguring Security Settings
After you assign basic settings to your access point, you must congure security settings to
prevent unauthorized access to your network. Because it is a radio device, the access point can
communicate beyond the physical boundaries of your work site.
Just as you use the Express Setup page to assign basic settings, you can use the Express Security
page to create unique SSIDs and assign one of four security types to them. For detailed security
information, refer to the Cisco IOS Software Conguration Guide for Cisco Aironet Access Points.
Conguring Basic Security Settings
You can use the Express Security page to create unique SSIDs and assign one of four security
types to them. This illustration shows the Express Security page.
Understanding Express Security Settings
When the access point conguration is set to factory defaults, the rst SSID that you create by
using the Express Security page overwrites the default SSID, which has no security settings. The

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SSIDs that you create appear in the SSID table at the bottom of the page. You can create up to 16
SSIDs on the access point.
Using VLANs
If you use VLANs on your wireless LAN and assign SSIDs to VLANs, you can create multiple SSIDs
by using any of the four security settings on the Express Security page. However, if you do not use
VLANs on your wireless LAN, the security options that you can assign to SSIDs are limited because
of the limited Express Security page encryption options. Without VLANs, encryption settings (WEP
and ciphers) apply to an interface, such as the radio, and you cannot use more than one encryption
setting on an interface. For example, when you create an SSID with static WEP with VLANs
disabled, you cannot create additional SSIDs with WPA authentication because they use dierent
encryption settings. If you nd that the security setting for an SSID conicts with another SSID, you
can delete one or more SSIDs to eliminate the conict.
If any VLANs are dened on the access point, the trunk port on the switch must be limited to allow
only the VLANs dened on the access point.
Express Security Types
There are four security types you can assign to an SSID:
• No security—The least secure option. Use this option only for SSIDs used in a public space, and
assign it to a VLAN that restricts access to your network.
• Static WEP Key—More secure than no security. Static WEP keys are vulnerable to attack. There
are two dierent lengths for WEP keys: 40-bit and 128-bit (hexadecimal or ASCII characters).
Cisco access points use hexadecimal characters. Client adapters can use either, depending on
how the vendor chooses to congure them.
• EAP Authentication—Enables 802.1x authentication. Requires an IP address and shared secret
from an authentication server on your network (server authentication port 1645). You do not
need to enter a WEP key.
• WPA—Wi-Fi Protected Access (WPA) permits wireless access to users authenticated against a
database through the services of an authentication server and encrypts their IP trac with
stronger algorithms than those used in WEP. As with EAP authentication, you must enter the IP
address and shared secret for an authentication server on your network (server authentication
port 1645).
Conguring Security for 802.11n
To achieve 802.11n speeds, you need to congure the access point for no encryption or
WPA2/AES encryption. Any other setting eliminates 802.11n capabilities from the conguration.
Express Security Limitations
Because the Express Security page is designed for simple conguration of basic security, the
options available are a subset of the access point security capabilities. Keep these limitations in
mind when using the Express Security page:
• You cannot edit SSIDs. However, you can delete SSIDs and recreate them.
• You cannot assign SSIDs to specic radio interfaces. The SSIDs that you create are enabled on
all radio interfaces. To assign SSIDs to specic radio interfaces, choose Security > SSID
Manager.

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• You cannot congure multiple authentication servers. To congure multiple authentication
servers, click Security > Server Manager.
• You cannot congure multiple WEP keys. To congure multiple WEP keys, click Security >
Encryption Manager.
• You cannot assign an SSID to a VLAN that is already congured on the access point. To assign
an SSID to an existing VLAN, choose Security > SSID Manager.
• You cannot congure combinations of authentication types on the same SSID (such as MAC
address authentication and EAP authentication). To congure combinations of authentication
types, choose Security > SSID Manager.
Using the Express Security Page
Follow these steps to create an SSID using the Express Security page:
Step1 Type the SSID in the SSID entry eld. The SSID can contain up to 32 alphanumeric
characters.
Note These characters are not allowed in the SSID: +, ], /, ", TAB, and trailing SPACE.
Step2 To broadcast the SSID in the access point beacon, check the Broadcast SSID in Beacon
check box.
Note When you broadcast the SSID, devices that do not specify an SSID can associate to the
access point. This is a useful option for an SSID used by guests or client devices in
public space. If you do not broadcast the SSID, client devices cannot associate to the
access point unless their SSID matches this SSID, so only one SSID can be included in
the access point beacon.
Step3 (Optional) Check the Enable VLAN ID check box and enter a VLAN number (1 through
4095) to assign the SSID to a VLAN. You cannot assign an SSID to an existing VLAN.
Step4 (Optional) Check the Native VLAN check box to mark the VLAN as the native VLAN.
Step5 Select the security setting for the SSID. The settings are listed in order of their robustness,
from No Security to WPA, which is the most secure setting.
If you select Static WEP Key, choose the key number and encryption size and enter the
encryption key (10 hexadecimal characters for 40-bit keys or 26 hexadecimal
characters for 128-bit keys.
If you select EAP Authentication or WPA, enter the IP address and shared secret for the
authentication server on your network.
Your 802.11n security conguration must be either no encryption or WPA2/AES. Any
other conguration eliminates the higher data speeds provided by 802.11n.
Note If you do not use VLANS on your wireless LAN, the security options that you can assign to
multiple SSIDs are limited. Refer to the Cisco IOS Software Conguration Guide for Cisco
Aironet Access Points for VLAN details.
1. Click Apply. The SSID appears in the SSID table at the bottom of the page.

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7 Troubleshooting
This section oers some diagnostic and conguration suggestions for troubleshooting your access
point.
Checking the Access Point LED
Figure3 shows the location of the access point Status LED.
Figure3 Access Point LED Location
1
Status LED

Note 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 specications and is not a defect.
Table2 shows the access point LED diagnostics for various conditions.
Table2 Access Point LED Diagnostic Messages
Message
Type
Status LED
Message Meaning
Boot loader
status
sequence
Blinking green
DRAM memory test in progress
DRAM memory test OK
Board initialization in progress

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Initializing FLASH le system
FLASH memory test OK
Initializing Ethernet
Ethernet OK
Starting Cisco IOS
Initialization successful
Association
status
Green
Normal operating condition, but no wireless
client associated
Blue
Normal operating condition, at least one
wireless client association
Operating
status
Blinking blue
Software upgrade in progress
Rapidly cycling through
blue, green, red, and white
Access point location command invoked
Boot loader
warnings
Blinking blue
Conguration recovery in progress (MODE
button pushed for 2 to 3 seconds)
Red
Ethernet failure or image recovery (MODE
button pushed for 20 to 30 seconds)
Blinking green
Image recovery in progress (MODE button
released)
Blinking red
Ethernet link not operational
Boot loader
errors
Red
DRAM memory test failure
Blinking red and blue
FLASH le system failure
Blinking red and o
Environment variable failure
Bad MAC address
Ethernet failure during image recovery

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Boot environment failure
No Cisco image le
Boot failure
Cisco IOS
errors
Red
Software failure; try disconnecting and
reconnecting unit power
Cycling through blue, green,
red, and o
General warning; insucient inline power
Conguring System Power Settings
After connecting the access point to a power source, its status LED might be amber, which can
indicate that the access point is unable to verify that the power source equipment (PSE) is
supplying sucient power. In such cases, you need to congure settings on the access point or the
switch to identify your power source.
Identify your power source and switch condition, and then make sure that your devices are
congured with an IP address.
Follow these steps to congure the system power settings using the GUI:
Step1 Open your browser and enter the access point IP address in the address eld. A login and
password screen appears.
Step2 Enter the username Cisco and password Cisco. The username and password are case
sensitive.
Step3 When the access point does not receive enough power for full operations, it is in low
power mode. If your access point is in low power mode, a warning message appears indicating
that all radios are disabled due to insucient power. Click OK to continue. The System
Conguration page appears.
Step4 Scroll down to the System Power Settings section as shown in Figure4.
Figure4 Low Power Mode Warning
Step5 Set the power settings and power injector elds, and verify your switch status as shown in
Table3.

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Note To verify switch status, you need to use the switch CLI. See the Cisco IOS software
conguration guide for your switch.
Table3 System Power Settings
Power Source
System Power
Settings
Switch
Status
Cisco PSE supporting Cisco Intelligent Power
Management feature1
Power Settings: Power
Negotiation selected
Power Injector:
Unchecked
power
inline
auto
Cisco PSE not supporting Cisco Intelligent Power
Management feature1
Power Settings:
Prestandard
Compatibility selected
Power Injector:
Unchecked
power
inline
auto
Cisco Aironet Power Injector with a Cisco PSE supporting
Intelligent Power Management feature1
Power Settings: Power
Negotiation selected
Power Injector:
Unchecked
power
inline
never
Cisco Aironet Power Injector with a Cisco PSE not
supporting Cisco Intelligent Power Management feature1
Power Settings: Power
Negotiation selected
Power Injector:
Checked
MAC address2
power
inline
never
Cisco Aironet Power Injector with a non-Cisco switch
No conguration requirement
802.3af-compliant switch that does not support Cisco
inline power (non-Cisco switch)
No conguration requirement
AC power adapter
No conguration requirement
1 Check the release notes for your power sourcing equipment to determine which Cisco IOS
version supports Cisco Intelligent Power Management. For some PSEs, support for Cisco
Intelligent Power Management might not be available yet.

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2 MAC address is the 12- character hexadecimal address of the switch port to which the
access point is attached. The MAC address format is HHHH.HHHH.HHHH.
Step6 Click Apply. The access point reboots congured with the power settings you specied.
Note You might have to refresh your browser screen to see the current status indicating that the
access point radios are enabled.
Finding More Troubleshooting Help
If you are still experiencing diculty, before contacting Cisco, look for a solution to your problem in
this guide or the troubleshooting chapter of the hardware installation guide for the access point you
are using. These, and other documents, are available on Cisco.com. Follow these steps to access
and download these documents:
Step1 Open your web browser and go to http://www.cisco.com.
Step2 Click Products & Services. A pop-up window appears.
Step3 Click Wireless. The Wireless Introduction page appears.
Step4 Scroll down to the Product Portfolio section.
Step5 Under Access Points, click Cisco Aironet 1140 Series. The Cisco Aironet 1140 Series
Introduction page appears.
Step6 Scroll down to the Support window and click Install and Upgrade. The Cisco Aironet 1140
Series Install and Upgrade page appears.
Step7 Click Install and Upgrade Guides. The Cisco Aironet 1140 Series Install and Upgrade
Guides page appears.
Step8 Select the section that best suits your troubleshooting needs.
8 Access Point Specications
Table4 lists the technical specications for the 1140 series autonomous access point.
Table4 Access Point Specications 
Category
Specication
Dimensions
(LxWxD)
8.68 x 8.68 x 1.84 in. (22.04 x 22.04 x 4.67 cm)
Weight
1.9 lbs (0.86 kg)
Operating
temperature
32 to 104 degrees F (0 to -40 degrees C)
Storage
temperature
-22 to 185 degrees F (-30 to 85 degrees C)