Cisco Small Business AP541N Manuale utente

Quick Start Guide

Cisco Small Business

AP541N Dual-band Single-radio Access Point

Quick Start Guide

Package Contents

•Cisco AP541N Dual-band Single-radio Access Point that includes an

IEEE 802.11a/b/g/n radio.

•Three antennas (These might be black or black-and-silver. This does not

affect performance.)

•Screws and wallboard anchors

•Cat 5e Ethernet cable

•Power supply

•This quick start guide

•Product CD-ROM

Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide 1

Welcome

Thank you for choosing the Cisco Small Business AP541N. The

Cisco AP541N, part of the Cisco Smart Business Communications System

(SBCS), is an 802.11n wireless access point purposely built for the Small

Business.

This guide is designed to familiarize you with the general layout of the

access point, how to deploy the device in your network, and access the

configuration interface. Your access point has more features or

functionality than what is described in this guide. For additional

configuration information, see the Cisco AP541N Administration Guide

available at http://www.cisco.com/en/US/products/ps10492/

prod_maintenance_guides_list.html.

Getting to Know the

Cisco AP541N

This section describes the exterior of the access point.

Front Panel LEDs

PWR PoE DIAG SPEED LAN WLAN 2.4G WLAN 5G

RESET

Cisco Small Business Pro

AP54 1N Dual Band Single Radio Access Point

235174

2 Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide

CAUTION Before you connect your access point to the network or

power it on, read the “Getting Started with the

Configuration” section.

Back Panel Ports

Ethernet Port—An auto-sensing, Gigabit Ethernet (802.3) port that

supports Power-over-Ethernet (PoE).

NOTE We recommend using Cat5e or better cable. Also, do not exceed

the maximum cabling distance of 328 feet (100 meters) per

segment.

ANT01, ANT02, ANT03—RP-SMA connectors that accept the antennas

provided with the access point.

Label Activity Description

PWR green Powered on.

flash green Firmware upgrade.

PoE green Power-over-Ethernet (PoE) is powering

the access point.

Diag red Power-on-self-test (POST).

Speed off Data speed is zero or 10 Mbps.

amber Data speed is 100 Mbps.

green Data speed is 1000 Mbps.

LAN solid green A wired network link is established.

flash green Passing traffic.

WLAN 2.4G solid green A 2.4 GHz wireless network link is

established.

flash green Passing traffic.

off The 2.4 GHz radio is off.

WLAN 5.0G solid green A 5.0 GHz wireless network link is

established.

flash green Passing traffic.

off The 5.0 GHz radio is off.

Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide 3

Getting Started with the

Configuration

This procedure describes how to access the Access Point Configuration

Utility:

• By using the default IP address of the access point., follow the

instructions in the “Display the Configuration Utility By Using the

Default IP Address” section if you are not using Cisco Configuration

Assistant (CCA).

•If you are using the Cisco AP541N in the DHCP client mode in a network

supported by CCA, follow the instructions in Display the Configuration

Utility by Using CCA.

CAUTION If the access point IP address is changed, either by a DHCP

server or manually, your link to the access point will be lost

and you must enter the new IP address to use the Access

Point Configuration Utility.

235175

Ethernet

Power

4 Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide

Before You Begin

1. Verify that you have a power source for the Cisco AP541N. If you are

deploying the Cisco AP541N by using PoE, it is necessary to

temporarily power the device by using the provided power supply.

2. Verify that a PC with Microsoft Internet Explorer (version 6 and higher),

Firefox (version 3 or higher), or Safari (for Mac) is available.

Display the Configuration Utility By Using the

Default IP Address

This section describes how to display the Access Point Configuration

Utility by using a PC connected directly to the access point.

The Cisco AP541N default IP address is required. If the IP address is of the

device is unknown, you can reset the device to factory default parameters

by using the “Returning the Cisco Small Business Pro AP 541N to the

Factory Default Settings” procedure.

To configure the access point by using a PC directly connected to the

Cisco AP541N:

STEP 1Power on the PC and if you have not already done so, configure the

PC IP address to an IP address in the same subnetwork. To change

the PC IP address, do the following:

a. From the Windows Start menu, choose Settings > Control

Panel.

b. On the Control Panel dialog box, click Network.

c. In the Network dialog box select TCP/IP for your PC Ethernet

card, then click Properties.

d. In the IP Address window, click Specify an IP address.

195057

192.168.10.10

255.255.255.0

192.168.10.250

255.255.255.0

Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide 5

e. In the IP Address field, enter an IP address that is in the same

subnet as the access point IP address. (The default access

point IP address is 192.168.10.10.) For example, you can set

the:

PC IP address to 192.168.10.250

PC IP subnet mask to 255.255.255.0

f. In the Subnet Mask field, type 255.255.255.0.

g. Click OK. Your changes are applied to the PC configuration.

h. If you are prompted to restart your PC, click Yes.

STEP 2Connect an Ethernet cable to the Ethernet port on the PC.

STEP 3Connect the other end of the Ethernet cable to the Cisco AP541N

Ethernet port.

STEP 4Power on the access point.

STEP 5Open a Web browser window. If you are prompted to install an

Active-X plug-in when connecting to the device, follow the

prompts to accept the plug-in.

STEP 6Enter the Cisco AP541N IP address in the address bar and press

Enter. For example, http://192.168.10.10.

The Access Point Configuration Utility

displays.

STEP 7Enter the default login information:

Username is cisco

Default password is cisco (passwords are case sensitive)

The Getting Started window displays. You can now configure the

device for you specific needs.

Next, we recommend that you:

•Click Change Administrator Password on the Getting Started

page to change the password.

•Click SSID, Guess Access, and Security Configuration to

configure the SSID and enable wireless security.

•Click Radio Settings to turn on the Radio Interface. (The radio

is disabled by default to prevent unauthorized users from

accessing the network before you have enabled wireless

security on the Cisco AP541N.)

6 Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide

•If you are not using DHCP on your network, click Change IP

Address to set the Connection Type on the access point to

Static and change the Static IP Address and Subnet Mask to an

IP address and subnet mask that matches the IP addressing

scheme in your network, so an unknown IP address is not

assigned to the access point.

When you click Apply, you will lose connectivity. You can

reconnect by using the new IP address and password.

•Click Upgrade Software to update the Cisco AP541N with the

latest version of the software.

These tasks can be accomplished by using the procedures in the

Cisco Small Business AP541N Access Point Administration

Guide.

CAUTION If the access point is connected to the network, the

Cisco AP541N has not been set to use a static IP address,

and there is a DHCP server on the network, a new IP address

will be assigned to the access point. To modify the

configuration you must discover the IP address assigned to

the Cisco AP541N by using the DHCP server.

NOTE We recommend that you return your PC to its original settings.

Display the Configuration

Utility by Using CCA

Use Cisco Configuration Assistant 2.1 or higher (CCA) to configure the

access point when it is deployed in a Cisco Smart Business

Communications System (SBCS) network with a UC520 or SR520.

This procedure assumes you are familiar with CCA. You can find additional

information about CCA at http://www.cisco.com/en/US/products/

ps7287/tsd_products_support_series_home.html

Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide 7

To configure the access point by using CCA:

STEP 1Connect the Ethernet port on the access point to a switch port on a

SBCS device and power on the Cisco AP541N.

STEP 2Connect a PC with CCA installed to any access switch port on the

UC520 or SR520.

STEP 3Create a new CCA site by entering a name and the IP address of

the UC520 or SR520.

STEP 4Connect to the CCA site by using the appropriate login credentials.

STEP 5Click Window > Topology View.

When you have connected to the CCA site and the devices have

been discovered, the Topology map includes the Cisco AP541N.

NOTE Any non-SBCS devices connected to the switch are not shown

in the Topology map.

STEP 6Right-click the access point to display the options: Configuration

Utility, Properties, and Annotation.

STEP 7Click Configuration Utility.

The Access Point Configuration Utility

displays in a new window.

195058

Internet

DHCP client

8 Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide

STEP 8Enter the login information:

Username = cisco

Default password = cisco (Passwords are case sensitive.)

The Getting Started window displays.

Next, we recommend that you:

•Change the password.

•Configure the SSID and enable wireless security.

•Enable the radio. (The radio is disabled by default to prevent

unauthorized users from accessing the network before you

have enabled wireless security on the Cisco AP541N.)

•Update the Cisco AP541N software with the latest version by

using the Software Upgrade link on the Getting Started page.

These tasks can be accomplished by using the procedures in the

Cisco Small Business AP541N Access Point Administration

Guide.

Default Wireless Network Parameters

The factory default parameters for the radio are:

CAUTION We recommend that you change the password on the access

point and enable security on the device and your wireless

network.

Parameter Default Value

data VLAN 1

voice VLAN 100

data SSID cisco–data (VLAN 1)

voice SSID cisco-voice (VLAN 100)

scanner SSID cisco-scan (VLAN 1) WPA Personal security

w/AES. The passphrase is intermec.

wireless security None (We strongly recommend that you set

wireless security.)

Cisco AP541N Dual-band Single-radio Access Point Quick Start Guide 9

Troubleshoot Your Connection

If you cannot display the configuration utility, you can test the ability of the

PC to communicate with the access point by using ping. To use ping on a

PC running Windows:

STEP 1Verify that the Cisco AP541N is powered on and the LEDs indicate

the appropriate links.

STEP 2Open a command window by using Start > Run and enter cmd.

STEP 3At the Command window prompt enter ping and the access

point IP address. For example ping 192.168.10.10 (the

default static IP address of the access point).

If successful, you should get a reply similar to the following:

Pinging 192.168.10.10 with 32 bytes of data:

Reply from 192.168.10.10: bytes=32 time<1ms TTL=128

If it fails, you should get a reply similar to the following:

Pinging 192.168.10.10 with 32 bytes of data:

Request timed out.

Possible Cause of Failure

The most likely cause of connectivity failure is an incorrect IP address.

The Web browser is pointed to the wrong IP address. Or, your PC might be

configured with an IP address that is not in the same subnet as the access

point.

DHCP is enabled on the Cisco AP541N by default. When a DHCP server is

enabled on your network and the access point is connected to the

network, the DHCP server replaces the default static IP address with a

DHCP server–assigned IP address. If this happens before you display the

Access Point Configuration Utility window, you must use the assigned IP

address to display the utility. If this happens during configuration, the

Access Point Configuration Utility will lose connectivity.

You can query the DHCP server for the new IP address or disconnect the

access point from the network and reset the device to use the static

default access point IP address by using the “Returning the Cisco Small

Business Pro AP 541N to the Factory Default Settings” procedure.

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