Cisco WAP121 Manual de usuario

Quick Start Guide

Cisco WAP121 and WAP321 Wireless-N Access Points

2 Cisco WAP121 and WAP321 Wireless-N Access Points

Welcome

Thank you for choosing the Cisco WAP121 or WAP321 Wireless Access

Points.The Cisco WAP321 is a single radio, selectable-band, 2.4 GHz or

5.0 GHz 802.11n access point, and the Cisco WAP121 is a single-band 2.4

GHz variant of the Cisco WAP321.

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

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

describe how to configure the device. Your access point has more features

and functionality than what is described in this guide. For additional

information, see the Administration Guide. A link to the Administration

Guide is found in “Where to Go From Here” on page 11.

Package Contents

•Wireless Access Point

•Mounting kit

•Power Adapter for the Cisco WAP121 (for the Cisco WAP321 the

power adaptor is sold separately)

•This Quick Start Guide

•Product CD

•Ethernet Cable

•Technical Support Contacts

•China RoHS (for China SKU only)

Before You Begin

Before you begin the installation, make sure that you have the following

equipment and services:

•A computer with Browser support for:

– Internet Explorer v7.0 or later

– Chrome v5.0 or later

– Firefox v3.0 or later

–Safariv3.0orlater

•Tools for installing the hardware

•One or more Ethernet network switches

•Uninterruptible Power Supply (UPS) to provide backup power to

essential devices

Cisco WAP121 and WAP321 Wireless-N Access Points 3

Cisco WAP121 and WAP321 Wireless-N

Access Points Features

Front Panel

The front panel of the devices consists of three lights: Power, WLAN, and

LAN. For full descriptions of the colors of the lights and their indications,

see “Verifying the Hardware Installation”. A Kensington lock slot is found

under the lights.

Back Panel

The back panel of the devices consists of:

•Power Button—Use this button to turn the power on and off. It is not

applicable when using PoE.

•Power Jack—Use this jack if you are not using PoE.

•Kensington Lock Slot—Use to attach a cable and lock to the device.

•Reset—See “Rebooting the Devices or Returning them to their

Factory Default Settings” for information on the Reset button.

•RJ-45 Ethernet Port—Use this auto-sensing, Gigabit Ethernet (802.3)

port to connect to network devices, such as computers, routers, or

switches. Cisco strongly recommends using Cat5e or better cable

for Gigabit connectivity. You may use the Ethernet port to power your

device using PoE.

Default Settings

If you are using a Cisco RV Series router, the default range for the DHCP

assigned address is from 192.168.1.100 to 192.168.1.254. Any device

connecting to the same LAN will be assigned an IP address in this range.

Parameter Default Value

Username cisco

Password cisco

LAN IP Address DHCP address assigned

by server

Fallback LAN IP 192.168.1.245

Subnetwork Mask 255.255.255.0

4 Cisco WAP121 and WAP321 Wireless-N Access Points

Mounting the Cisco WAP121 and WAP321

Wireless-N Access Points

You can place your access point on a desktop, or mount it on a wall or

ceiling.

Placement Tips

• Ambient Temperature—To prevent the access point from overheating,

do not operate it in an area that exceeds an ambient temperature of

104°F (40°C).

•AirFlow—Both side panels have vents which must be unobstructed to

prevent overheating.

• Mechanical Loading—The device should be level, stable, and secure

to prevent it from sliding or shifting out of position.

Wall and Ceiling Mounting

The Cisco WAP121 and WAP321 can be wall or ceiling-mounted.

There is a mounting kit packed with your device. The kit is designed to

install your device to the wall or the ceiling. The dimensions for the mount

kit screws are as follows:

WARNING Insecure mounting might damage the device or cause injury.

Cisco is not responsible for damages incurred by insecure wall

or ceiling mounting.

17.8 to 8.3 mm/

.31 to .33 in

221.8 to 22.3 mm/

.86 to .88 in

35.5 to 6.0 mm/

.22 to .24 in

417.5 to 18.2mm/

.69 to .72 in

196243

Cisco WAP121 and WAP321 Wireless-N Access Points 5

To mount the WAP device to a wall or ceiling:

STEP 1Determine where you want to mount the device. Verify that the

surface is smooth, flat, dry, and sturdy.

STEP 2Drill two pilot holes into the surface 1.85 inches (47 mm) apart for

the Cisco WAP121. For the WAP321, drill the holes 2.75 inches

(70 mm) apart.

STEP 3Insert a screw into each hole, leaving a gap between the surface

and the base of the screw head.

STEP 4Place the upper slots of the bracket over the screws, adjust the

screws accordingly, and slide the bracket down until the screws fit

snugly into the slots.

STEP 5Using the bracket as a template, drill two more holes for the lower

screws.

STEP 6Insert a screw into each lower hole.

STEP 7Slide the WAP device into the bracket, placing the cables or cords

through the break-out tab found in the back of the bracket.

Connecting the Cisco WAP121 and

WAP321 Wireless-N Access Points

The default configuration of the device has the Wi-Fi radio turned off. You

must perform the initial configuration using a wired Ethernet connection. To

connect the device to the wired network:

STEP 1Connect the Ethernet cable to the Ethernet port of a switch or a

router.

STEP 2Connect the other end of the network Ethernet cable to the

Ethernet port of the wireless access point.

STEP 3If PoE is not provided, for the Cisco WAP121 plug in the power

adaptor to provide power to the device. For the Cisco WAP321, the

power adaptor is sold separately.

After installation, all lights should be active. Refer to Verifying the

Hardware Installation, page 6 for details about the different lights on each

switch.

6 Cisco WAP121 and WAP321 Wireless-N Access Points

Verifying the Hardware Installation

To verify the hardware installation, complete the following tasks:

•Check the cable connections.

•Check the state of the indicator lights.

NOTE If you need help resolving a problem, visit the Cisco Support

Community at www.cisco.com/go/smallbizsupport.

Label Activity Description

Power Off Power is off

Solid Green Power is on. Normal operation using an

external power adaptor.

Solid Amber Power is on. Normal operation using PoE.

Flashing Booting/Firmware upgrade

WLAN Off Wireless is disabled, for both 2.4 GHz and

5GHzwirelessnetworks

Solid Green Wireless 2.4 GHz band is enabled.

Solid Amber Wireless 5 GHz band is enabled.

Flashing Transmitting/Receiving Data

Flashing Fast (2x

Flashing rate)

Wi-Fi Protected Setup (WPS) is synchronizing

LAN Off No Ethernet Link

Solid Green Ethernet link is active.

•FE link is detected for Cisco WAP121

•GE link is detected for Cisco WAP321

Solid Amber Ethernet link is active.

•FE link is detected for Cisco WAP321

Flashing Transmitting/Receiving Data

Cisco WAP121 and WAP321 Wireless-N Access Points 7

Getting Started with the Configuration

To configure the wireless access points, follow these steps to access the

Wizard and then the web-based configuration utility from your computer.

STEP 1Connect the wireless access point to the same network (IP subnet)

as your computer. The factory default IP address configuration of

the access points is DHCP. Make sure your DHCP server is running

and can be reached.

See “Incorrect IP Address” on page 9 for troubleshooting

information, or if you do not have a DHCP server.

STEP 2Locate the IP address of the wireless access point.

a. The wireless access points can be accessed and managed by

Cisco network tools and services including the Cisco FindIT

Network Discovery Utility that enables you to automatically

discover all supported Cisco devices in the same local

network segment as your computer. You can get a snapshot

view of each device or launch the product configuration utility

to view and configure the settings. For more information, see

www.cisco.com/go/findit.

b. The wireless access points are Bonjour-enabled and

automatically broadcast their services and listen for services

being advertised by other Bonjour-enabled devices. If you

have a Bonjour-enabled browser, such as Microsoft Internet

Explorer with a Bonjour plug-in, or the Apple Mac Safari

browser, you can find the wireless access point on your local

network without knowing its IP address.

You can download the complete Bonjour for Internet Explorer

browser from Apple’s Web site by visiting

http://www.apple.com/bonjour/.

c. Locate the IP address assigned by your DHCP server by

accessing your router/DHCP Server; see your DHCP server

instructions for information.

STEP 3Launch a web browser, such as Internet Explorer or Mozilla Firefox.

STEP 4In the Address field enter the default DHCP address and press the

Enter key.

STEP 5Enter the default user name of cisco and password of cisco in the

User Name and Password fields.

STEP 6Click Login. The Wireless Access Point Setup Wizard appears.

8 Cisco WAP121 and WAP321 Wireless-N Access Points

STEP 7Follow the Setup Wizard instructions to finish the WAP device

installation. We strongly recommend you use the Setup Wizard for

the first installation.The Setup Wizard turns on the Wi-Fi radio,

allowing you to connect wirelessly. For advanced configurations,

see the Administration Guide. A link to the Administration Guide is

found in “Where to Go From Here” on page 11.

Congratulations, you can now start using your wireless access point.

Suggested Next Steps

In case of an error while installing, try the following troubleshooting

procedures:

Troubleshooting

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

computer to communicate with the device by using ping. To use ping on a

computer running Windows:

STEP 1Verify that the Cisco WAP121 or WAP321 is powered on and the

lights indicate the appropriate links.

STEP 2Locate the device’s IP address. While there are different ways to

locate your device’s IP address, this procedure uses Cisco FindIT.

a. If you have previously downloaded Cisco FindIT, open Internet

Explorer and launch Cisco FindIT. For more information on

downloading Cisco FindIT, see www.cisco.com/go/findit.

b. In the Cisco FindIT display, place your mouse over the device’s

name. The device IP address is displayed along with other

device information.

STEP 3Open a command window by using Start > Run and enter cmd.

STEP 4At the Command window prompt enter ping and the device IP

address. In this example, we pinged 192.0.2.10.

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

Pinging 192.0.2.10 with 32 bytes of data:

Reply from 192.0.2.10: bytes=32 time<1ms TTL=128

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

Pinging 192.0.2.10 with 32 bytes of data:

Request timed out.

Cisco WAP121 and WAP321 Wireless-N Access Points 9

Possible Cause of Failure

Devices Can’t Connect using Wi-Fi

•Complete the Setup Wizard. The Wi-Fi radio on the device is turned off

by default, and the Setup Wizard activates it. For users who do not wish

to use the Setup Wizard, log into the device using a Cat5e Ethernet

cable, and activate the Wi-Fi radio manually. See the Administration

Guide for details on activating the Wi-Fi radio.

No Power

•Power up the switch and your computer if they are turned off.

•If your access point is using PoE, make sure your PoE switch is powered

on and the lights indicate that you have a link. See “Verifying the

Hardware Installation” on page 6.

•Verify that the power button is on; only applicable if you are not using

PoE.

•Verify that the devices on your network are not plugged into a

switchable outlet.

Bad Ethernet Connection

•Check the state of the indicator lights. See “Verifying the Hardware

Installation” on page 6.

•Check the Ethernet cable to ensure that it is firmly connected to your

devices. Devices connected by the Ethernet cable can include the WAP

device, any switches, and your computer.

•Verify the connected switch has auto-negotiation enabled. The access

point and the switch need the same negotiation parameters set.

Bad Image

After a new firmware installation, if the Power light is flashing quickly,

contact system support; see “Where to Go From Here” on page 11.

Incorrect IP Address

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

Web browser may be pointed to the wrong IP address, or your computer

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

device.

10 Cisco WAP121 and WAP321 Wireless-N Access Points

Because the factory default IP address configuration is DHCP, make sure

that your DHCP server is running and can be reached. You may need to

disconnect and reconnect the devices for them to discover their new IP

addresses from the DHCP server. You can then query the DHCP server for

the new IP address. See Step 2 of “Getting Started with the

Configuration” on page 7 for more information on how to find the DHCP

address.

If the wireless access points do not receive a DHCP response (there is no

DHCP server on your network) after 60 seconds, the access points will

fallback to the following default static IP address: 192.168.1.245 and a

default mask of 255.255.255.0. To reach that IP address, be sure that your

computer is on the 192.168.1.xxx network.

Rebooting the Devices or Returning them

to their Factory Default Settings

To reboot your device:

•If your device uses a power adaptor, use the Power button to reboot

your device. The Power button only functions when the device uses a

power adaptor.

•Unplug your Ethernet connection for three seconds and plug it back in.

• If your devices uses PoE, with the power on, press the Reset button with

a bent paperclip for less than three seconds, or until the lights go off.

– When all the lights go off, release the Reset button.

– Release the Reset button as soon as the lights go off, or you will

restore the device to factory default settings and lose your

configurations.

To reset the device to factory default settings:

•To restore the device to the factory default settings, with the power on,

press-and-hold the Reset button with a bent paperclip for more than 10

seconds.

– All of the lights will go off.

– Release the Reset button when power light turns on.

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