Hewlett Packard Enterprise ARUBA52 Users manual

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Aruba 52

Wireless Access Point

Installation Guide

180 Great Oaks Blvd. Ste B

San Jose, California 95119

Net www.arubanetworks.com

Tel 408.227.4500 Fax 408.227.4550

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Specifications in this manual are subject to change without notice.

Originated in the USA.

Trademarks

Aruba 52, Aruba 5000, and AirOS are trademarks of Aruba Wireless Networks in the United States and certain other countries.

The K & Lock design is a registered trademark of the Kensington Technology Group in the United States and certain other countries.

Any other trademarks appearing in this manual are owned by their respective companies.

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Compliance

FCC - Class B

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with instructions, may cause harmful interference to radio communications. However, there is no guarantee that the interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

z Reorient the receiving antenna z Increase the separation between the equipment and receiver z Connect the equipment into an outlet on a circuit different from that to which the receiver is connected z Consult the dealer or an experienced radio/TV technician for help

FCC Caution: To assure continued compliance, use only shielded interface cables when connecting to computer or peripheral devices. Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

CAUTION STATEMENT: FCC RF Radiation Exposure Statement

This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 centimeters (8 inches) between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Radio Frequency Interference Requirements

This device is restricted to indoor use due to its operation in the 5.15 to 5.25 GHz frequency range. The FCC requires this product to be used indoors to reduce the potential for harmful interference to co-channel Mobile Satellite systems. High power radars are allocated as primary users of the 5.25 to 5.35 GHz and

5.65 to 5.85 GHz bands. These radar stations can cause interference with and/or damage this device.

Industry Canada - Class B

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the interference-causing equipment standard entitled “Digital Apparatus,” ICES-003 of the Department of Communications.

Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux appareils numériques de Classe B prescrites dans la norme sur le matériel brouilleur: “Appareils Numériques,” NMB-003 édictée par le ministère des Communications.

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Preface . . . . . . . . . . . . . . . . . . . . . . vii

Related Documents Text Conventions Contacting Aruba Wireless Networks

. . . . . . . . . . . . . . . . . . vii

. . . . . . . . . . . . . . . . . . viii

. . . . . . . . . . ix

Chapter 1

Chapter 2

Introduction . . . . . . . . . . . . . . . . . . . 1

Product Features

Ethernet Compatibility Radio Characteristics Power Over Ethernet

Physical Description

Package Checklist Top Panel Rear Panel

. . . . . . . . . . . . . . . . . . . . 1

. . . . . . . . . . . . . . . 2

. . . . . . . . . . . . . . . . 2

. . . . . . . . . . . . . . . . . . 3

. . . . . . . . . . . . . . . . . 3

. . . . . . . . . . . . . . . . . . . . . 4

. . . . . . . . . . . . . . . . . . . . . 6

Setup & Installation . . . . . . . . . . . . . 7

Requirements Select a Network Topology Perform Initial Setup

Direct SPOE to the Aruba WLAN Switch Direct Terminal Connection Configure the Aruba 52

Mount the Aruba 52

Free-Standing Placement Using the Built-In Mounting Slots Using the Optional Mounting Kit

. . . . . . . . . . . . . . . . . . . . . 7

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Connect Required Cables . . . . . . . . . . . . . . . . 25

Direct SPOE to the Aruba WLAN Switch LAN or POE Connection

. . . . . . . . . . . . . . 26

. . . . . 25

Appendix A

Appendix B

Port Specifications . . . . . . . . . . . . . 29

Console Port FE Port SPOE Adapter

. . . . . . . . . . . . . . . . . . . . . . 29

. . . . . . . . . . . . . . . . . . . . . . . . 30

. . . . . . . . . . . . . . . . . . . . . 31

Product Specifications . . . . . . . . . . 33

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Preface

The preface includes the following information:

z A list of related documentation for further reading z A key to the various text conventions used throughout this manual z Aruba Wireless Networks support and service information

Text Conventions

The following conventions are used throughout this manual to emphasize important concepts:

TABLE 1 Text Conventions

Type Style Description

Italics This style is used to emphasize important terms and to mark the

titles of books.

System items This fixed-width font depicts the following:

z Sample screen output z System prompts z Filenames, software devices, and certain commands when men-

tioned in the text.

Commands In the command examples, this bold font depicts text that the user

must type exactly as shown.

<Arguments> In the command examples, italicized text within angle brackets rep-

resents items that the user should replace with information appropriate to their specific situation. For example:

# send <text message>

In this example, the user would type “send” at the system prompt exactly as shown, followed by the text of the message they wish to send. Do not type the angle brackets.

[ Optional ] In the command examples, items enclosed in brackets are optional.

Do not type the brackets.

{ Item A | Item B } In the command examples, items within curled braces and separated

by a vertical bar represent the available choices. Enter only one choice. Do not type the braces or bars.

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Contacting Aruba Wireless Networks

Web Site

z Main Site http://www.arubanetworks.com z Support http://www.arubanetworks.com/support

E-mail

z Sales sales@arubanetworks.com z Support support@arubanetworks.com

Telephone Numbers

z Main 408-227-4500 z Fax 408-227-4550

z Sales 408-754-1201 z Support 408-754-1200

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CHAPTER 1

Introduction

The Aruba 52 is part of a comprehensive wireless network solution. The device works in conjunction with the Aruba 5000 WLAN Switch and can act as a wireless access point or air monitor.

As a wireless access point, the Aruba 52 provides transparent, secure, high-speed data communications between wireless network devices (fixed, portable, or mobile computers with IEEE 802.11a, 802.11b, or 802.11g wireless adapters) and the wired LAN.

As a wireless air monitor, a uniquely Aruba feature, the Aruba 52 enhances wireless networks by collecting statistics, monitoring traffic, detecting intrusions, enforcing security policies, balancing wireless traffic load, self-healing coverage gaps, and more.

Product Features

z Wireless dual-band transceiver z Dual, omnidirectional antennas for reception diversity z Protocol-independent networking functionality z 802.11a – up to 54 Mbps data rate per channel: offers a high data rate and reliable wireless

connectivity

z 802.11b – up to 11 Mbps data rate per channel: provides an alternative to wired LANs that

can dramatically cut costs

z 802.11g – up to 54 Mbps data rate per channel: backwards compatible with 802.11b z Compatible with IEEE 802.3af Power Over Ethernet (POE) z Seamless connectivity to wired LANs augment existing networks quickly and easily z Can be centrally managed, configured, and upgraded through the Aruba WLAN Switch

to take advantage of network changes and security improvements

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Ethernet Compatibility

The Aruba 52 attaches to 10/100 Mbps Ethernet (FE) LAN segments that utilize 10Base-T/100Base-TX (twisted-pair) wiring. The device appears as an Ethernet node and performs a routing function by moving packets between the wired LAN and remote workstations on the wireless infrastructure.

Radio Characteristics

For IEEE 802.11a operation, the Aruba 52 uses a radio modulation technique known as Orthogonal Frequency Division Multiplexing (OFDM), and a shared collision domain (CSMA/CA). It operates in the 5GHz Unlicensed National Information Infrastructure (UNII) band. Data is transmitted over a half-duplex radio channel operating at up to 54 Megabits per second (Mbps).

For IEEE 802.11b operation, the Aruba 52 uses the IEEE 802.11 High-Rate Direct Sequence (HRDS) specification, and a shared collision domain (CSMA/CA). It operates in the 2.4GHz Industrial/Scientific/Medical (ISM) band. The ISM band is available worldwide for unlicensed use. Data is transmitted at speeds of up to 11 Mbps.

For IEEE 802.11g operation, the Aruba 52 uses ODFM and a shared collision domain (CSMA/CA). It operates in the 2.4GHz Industrial/Scientific/Medical (ISM) band. The ISM band is available worldwide for unlicensed use. Data is transmitted at speeds of up to 54 Mbps.

Power Over Ethernet

The Aruba 52 supports the IEEE 802.3af standard for Power Over Ethernet (POE). With this feature, the Aruba 52 can accept electrical power from a compatible POE-capable device to which it is connected, directly over the FE cable. POE eliminates the need to provide separate power outlets in environments that are difficult or undesirable to wire for electricity.

The Aruba 52 supports POE only when the FE port is connected to an IEEE 802.3af compliant device (such as the Aruba 5000 WS-5032 Line Card).

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Physical Description

Package Checklist

The Aruba 52 package includes:

.B A .

FIGURE 1-1 Package Contents

z One Aruba 52 Wireless Access Point z Non-slip rubber foot-pads z One AC power adapter (3.3 VDC, 4 A) and power cord z Assorted documentation

The following optional items can also be ordered for the Aruba 52:

FIGURE 1-2 Optional Items

z Mounting kit: cradle and screws z Serial & Power Over Ethernet (SPOE) adapter

Inform your supplier if there are any incorrect, missing or damaged parts. If possible, retain the carton, including the original packing materials. Use them again to repack the product in case there is a need to return it.

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To p Pa n e l

1 1

READY LAN .A .B/.G

2 23

FIGURE 1-3 Aruba 52 Top Panel

Dual, omnidirectional Antennas for Wireless Communications (on sides)

The antennas swivel and should be oriented vertically (straight up and down) away from the chassis for best performance.

Air Vents (on sides)

These vents promote proper air circulation for cooling the device. Do not allow these vents to be obstructed by mounting equipment, network cables, or any other material.

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Indicator LEDs

During operation, the Aruba 52 LEDs provide the following information:

TABLE 1-1 Aruba 52 LEDs

LED State Description

Ready Off The device is off or initializing.

Green The device has passed self-test and is operating. Flashing The device is running a self-test or loading new software. If the

condition persists for more than one minute, refer to the troubleshooting information in Appendix A.

LAN Off No link on the FE port on back of the device.

Green Link detected on the FE port. Flashing Transmitting or receiving data across the FE port. Flashing

rate is proportional to your network activity.

.A Off The 802.11a wireless interface is disabled or down.

Green The device is operating as an 802.11a access point. Flashing The device is operating as an 802.11a air monitor.

.B/.G Off The 802.11b/g wireless interface is disabled or down.

Green The device is operating as an 802.11b/g access point. Flashing The device is operating as an 802.11b/g air monitor.

OTE—LEDs on the Aruba WLAN Switch provide additional status and security informa-

tion about connected APs. See the Aruba 5000 Installation Guide and Aruba AirOS User’s Guide for more information.

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123

Rear Panel

1 2 3 4 5

FIGURE 1-4 Aruba 52 Rear Panel

Kensington Security Slot

This slot is compatible with a Kensington MicroSaver Security Cable (not included) which can be used to prevent the unauthorized removal of the Aruba 52 from its installed location. To secure the Aruba 52, wrap a security cable around an immovable object, insert the cable’s lock into the Kensington Security Slot, and turn the key.

Console Port

This port has a 9-pin, female serial connector. It is used primarily to connect a terminal during initial setup of the Aruba 52. See Appendix A for port details.

Using the optional SPOE adapter, this port can also be connected directly to an FE port on an Aruba WLAN Switch that supports SPOE (see “Power Over Ethernet” on page 2). This direct connection provides extra maintenance options during normal operation.

FE Port

This port attaches the Aruba 52 to 10Base-T/100Base-TX (twisted-pair) Ethernet LAN segments. The port automatically adjusts MDI/MDX to accept either straight-through or crossover cables. See Appendix A for port details.

This port also supports POE (see “Power Over Ethernet” on page 2). When POE is used, a straight-through cable is required.

DC Power Socket

This socket is used to connect the included AC power adapter. If POE is being used to supply power to the Aruba 52, the power adapter is not necessary.

Mounting Slots (on bottom)

The keyhole-shaped slots on the bottom of the chassis are used for mounting the Aruba 52.

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CHAPTER 2

Setup & Installation

This chapter covers the following topics:

z Requirements for installing the Aruba 52 z Supported network topology options z Initial setup of the Aruba 52 z Physical mounting of the device z Connecting the required cables z Testing the installation

Requirements

Before you install the Aruba 52, you must have the following:

z An operational Aruba WLAN Switch with a valid IP route to the LAN segment to which

the access point or air monitor will be connected.

z An appropriate physical location for the new access point or air monitor.

We recommend an up-to-date site survey to help determine the optimal location for your Aruba 52. See your Aruba AirOS Software Guide for instructions on using the Aruba WLAN Switch’s built-in planning tools.

z Client devices with IEEE 802.11a, 802.11b, or 802.11g compliant wireless Ethernet

adapters with TCP/IP compatible protocol installed.

z One of the following power sources for the access point or air monitor:

z An AC power outlet rated at 100~240 V, 50~60 Hz. z Power Over Ethernet (POE) capability on the device to which the Aruba 52 is con-

nected (see “Power Over Ethernet” on page 2).

OTE—When installing the Aruba 52 in plenums or air-handling spaces, as described in

NEC (2002) Article 300.22(C), the device must be powered using POE, and not the included AC power adapter.

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Select a Network Topology

The Aruba 52 can be installed in your network using the following topologies:

Direct SPOE Installation

Serial, Power & Ethernet

Aruba 50

POE Installation

Power & Ethernet

Aruba 50

Serial Console

(Initial Setup Only)

LAN Installation

Power

Adapter

Aruba 50

Aruba 5000

w/SPOE

Ethernet

Serial Console

(Initial Setup Only)

Data Network

Mgmt. Network

LAN Switch

w/POE

LAN

Management

Workstation

Mgmt. Network

Management

Workstation

Mgmt. Network

Management

Workstation

Aruba 5000

Data Network

Aruba 5000

Data Network

FIGURE 2-1 Aruba 52 Topology Options

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Direct Serial & Power Over Ethernet (SPOE) to the Aruba WLAN Switch (recommended)

In this topology, both the console and 10/100 Mbps Ethernet (FE) ports on the Aruba 52 are connected to the SPOE adapter. An 8-conductor, Category 5 UTP, straight-through FE cable connects the adapter directly to the Aruba WLAN Switch with no intervening hubs, routers, or other network equipment. The network port on the Aruba WLAN Switch must include optional SPOE capability (see “Power Over Ethernet” on page 2).

This topology provides the following features:

z 10/100 Mbps Ethernet connectivity

z Electrical power through the FE cable

z Serial console connectivity through the FE cable

z Extra console maintenance options during normal operation

POE connection through the LAN

In this topology, the Aruba 52 is connected to the LAN through a hub or switch that is POE compatible (see “Power Over Ethernet” on page 2). An 8- or 4-conductor, Category 5 UTP, straight-through FE cable is required. Initial setup requires a local serial console.

This topology provides the following features:

z 10/100 Mbps Ethernet connectivity (depending on the connecting port)

z Electrical power through the FE cable

z Versatile placement of the Aruba WLAN Switch and Aruba 52s within the network

Connection to a non-POE network port on the Aruba WLAN Switch or other network device

In this topology, the Aruba 52 is connected to the Aruba WLAN Switch either directly or through the LAN. An 8- or 4-conductor, Category 5 UTP, straight-through or crossover FE cable may be used. Initial setup requires a local serial console. Electrical power is supplied using the included AC power adapter.

This topology provides the following features:

z 10/100 Mbps Ethernet connectivity (depending on the connecting port)

z Versatile placement of the Aruba WLAN Switch and Aruba 52s within the network

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Perform Initial Setup

The Aruba 52 requires some initial configuration before it will operate. The method used for connecting to the Aruba 52 for initial setup depends on your intended network topology (see

Figure 2-1 on page 8).

Direct SPOE to the Aruba WLAN Switch

Use this procedure when connecting the Aruba 52 directly to an SPOE-compatible network port on the Aruba WLAN Switch (see “Power Over Ethernet” on page 2). SPOE provides 10/100 Mbps Ethernet, serial connection, and power over one cable.

OTE—If connecting the Aruba 52 through the LAN or to a non-SPOE network port on

the Aruba WLAN Switch, see the instructions on page 13.

Connect the SPOE adapter to the Aruba 52.

Connect the adapter’s 9-pin serial connector to the Console port on the back of the Aruba 52.

Connect the adapter’s male RJ-45 plug to the FE port on the back of the Aruba 52.

Connect the Aruba 52 to the Aruba WLAN Switch.

CAUTION—To prevent personal injury or damage to equipment, be sure to com-

ply with electrical grounding standards during all phases of installation and operation of the AP. Do not allow theAruba 52 to contact metal which is connected a different electrical ground than the Aruba WLAN Switch. Also, never connect the AP or WLAN switch to external storm grounding sources.

The connection between the Aruba 52 and the Aruba WLAN Switch requires an 8-conductor, Category 5 UTP, straight-through FE cable with RJ-45 connectors (see Appendix A for port specifications).

Connect one end of the FE cable directly to the RJ-45 socket on the SPOE adapter that was attached to the Aruba 52 in the previous step.

Connect the other end of the FE cable directly to an available SPOE network port on the Aruba WLAN Switch.

OTE—The Aruba 52 must be connected to the Aruba WLAN Switch without any inter-

vening hubs, routers, or other networking equipment.

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345

Telnet to the Aruba WLAN Switch Serial-Over-Ethernet (SOE) interface.

Use a Telnet client on your management workstation to connect to theAruba WLAN Switch IP address using logical port 2300. The connection command may vary depending on the specific software used, but commonly appears as follows:

telnet

2300

When prompted, log in to the Aruba WLAN Switch as the administrator:

user: admin password:

This will present you with the Aruba WLAN Switch SOE console prompt:

Available commands: baud [9600|19200|38400|57600|115200] connect <slot/port> exit (no args) soe>

Connect to the Aruba WLAN Switch port to which the Aruba 52 is physically attached:

soe>

connect <slot number>/<port number>

where slot number is the physical slot of the line card in the WLAN switch, and port number is the physical port.

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From the Aruba 52 console, access the boot prompt.

Depending on the Aruba 52 status, you will see one of the following on your terminal:

z Autoboot countdown—The countdown prompt allows you to interrupt the normal star-

tup process and access the boot prompt where initial configuration is performed.

APBoot 1.0.6 (May 19 2003 - 14:52:48) CPU: MPC8245 Revision 16.20 at 192 MHz: 16 kB I-Cache 16 kB D-Cache Watchdog enabled Board: ASAP Local Bus at 96 MHz DRAM: 16 MB POST: passed FLASH: 4 MB PCI: scanning bus0 ... dev fn venID devID class rev MBAR0 MBAR1 MBAR2 MBAR3 00 00 1057 0006 060000 12 00000008 00000000 00000000 00000000 13 00 1317 0985 020000 11 fe000001 f0000000 00000000 00000000 14 00 168c 0013 020000 01 f0010000 00000000 00000000 00000000 In: serial Out: serial Err: serial Net: an983b#0 Hit any key to stop autoboot: 0

To access the boot prompt, press any key (such as <Enter>) before the timer expires.

If the countdown expires before you can interrupt it, turn the device off and then back on again (by unplugging and reattaching the FE cable) and try again.

z TFTP time out—If the Aruba 52 cannot locate or download its image file, the following

type of output is repeatedly displayed:

BOOTP broadcast 1 DHCP IP address: 10.3.9.172 DHCP subnet mask: 255.255.255.0 DHCP def gateway: 10.3.9.254 DHCP DNS server: 10.1.1.2 ARP broadcast 1 for 10.3.9.254 TFTP from server 10.10.10.10; our IP address is 10.3.9.172; sending through gateway 10.3.9.254 Filename 'sap.bin'. Load address: 0x100000 Loading: T T T T T T T T T Retry count exceeded; starting again

Press <Control-C> to interrupt this process and access the boot prompt.

From the boot prompt (apboot>), follow the instructions on page 15 to configure Aruba 52.

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Direct Terminal Connection

Use this procedure when connecting the Aruba 52 through the LAN or to a non-SPOE network port on the Aruba WLAN Switch. Under these topologies, a direct terminal connection is required for initial setup.

OTE—If connecting the Aruba 52 directly to a SPOE network port on the Aruba WLAN

Switch, see the instructions on page 10.

Connect power to the Aruba 52.

CAUTION—Be sure to comply with electrical grounding standards during all

phases of installation and operation of the AP. Do not allow the Aruba 52 or power adapter (if used) to be connected to or make contact with metal or power outlets on a different electrical ground than the device to which it is connected. Also, never connect the AP to external storm grounding sources.

The Aruba 52 can receive electrical power using the following options:

z POE–If connecting the Aruba 52 to a device that supplies IEEE 802.3af compliant POE

(see “Power Over Ethernet” on page 2), no additional power connection is necessary.

z Power Outlet

OTE—When the Aruba 52 is installed in an air-handling space, as described in NEC

(2002) Article 300.22(C), POE must be used instead of a power outlet.

If local regulations and practices permit, connect the included AC power adapter cable to the DC power socket on the rear panel of the Aruba 52 and plug it into an appropriate power outlet.

CAUTION—To prevent personal injury or damage to equipment, use only the

AC power adapter supplied with this device.

OTE—The indicator LEDs on top of the Aruba 52 will remain dark during this procedure.

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234

Set up your local terminal.

This procedure requires a terminal or computer running terminal emulation software with the following settings:

TABLE 2-1 Console Terminal Settings

Baud Rate Data Bits Parity Stop Bits Flow Control

9600 8 None 1 None

Connect the terminal directly to the Aruba 52.

Use a standard serial cable to connect the Aruba 52 console port to a serial port on your terminal (see Appendix A for port specification).

Establish console communication.

Press <Enter> a few times to establish communication between the Aruba 52 and terminal.

Interrupt the boot cycle to access the Aruba 52 boot prompt.

While connected directly to your terminal, the Aruba 52 will remain in a boot cycle looking for an Aruba WLAN Switch from which to download its software and configuration:

Press <Control-C> at any time to interrupt the boot cycle. You will be presented with the boot prompt (apboot>). Follow the instruction on page 15 to configure the device.

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Configure the Aruba 52

From the boot prompt, set the intended location for the Aruba 52:

apboot> setenv location <building number>.<floor number>.<device number>

If you performed the recommended site survey using the Aruba WLAN Switch’s built-in planning tools, the location data for all access points and air monitors can be found on the tool’s deployment screen (see the Aruba AirOS Software Guide).

If you plan to manually generate the location data, record the following information for each access point and air monitor. It will be required when configuring the Aruba WLAN Switch.

Building Number A unique number (1-255) is required for each building in your campus. Floor Number Within any building, a unique number (1-255) is required for each floor. Device Number Within any floor, a unique number (1-65536) is required for each access

point or air monitor.

Device Description Note the intended function of the device (access point or dedicated air

monitor) and a brief description of its service location.

X, Y Coordinates For each access point and air monitor, measure its X and Y position (in

feet) relative to the bottom-left corner of the building plan as seen from overhead. For example:

262 ft.

0,0 126

418 ft.

Use the same fixed point and orientation for all floors in a building.

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Specify host information, if necessary.

The Aruba 52 uses the default host name aruba-master to find the host Aruba WLAN Switch and download its software. This assumes that your DNS has been configured to resolve aruba-master to the master Aruba WLAN Switch IP address.

z If DNS is available, the AP will use servername environment variable to find the host and

download the AP software image and the configuration file (unless serverip and/or master are set).

If DNS is not available, then the IP address of the server hosting the AP software image and the address of the server hosting the configuration file must be specified. This is accomplished using the environment variables serverip and master respectively.

CAUTION—The serverip and master environment variables take precedence

over the servername variable. Therefore, if you set serverip or naster the AP will use those addresses to search for the software image and the configuration file instead of looking for the server specified in servername.

OTE—The software image and the configuration file are usually stored on the same

server.

z If you are not using DNS, you must manually configure the Aruba 52 with the IP address

of the master Aruba WLAN Switch:

apboot> setenv serverip apboot> setenv master

z If you are using DNS but wish to specify a different host, use the following command:

apboot> setenv servername

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Ta b l e 2 - 2 summarizes the server environment variables discussed above.

TABLE 2-2 Server Enviornment Variable

Variable Name Default Value Use Comments

servername aruba-master DNS name of the

master M-switch.

Also serves as the TFTP servername if serverip is not set.

serverip n/a IP address of the

TFTP server.

Overides servername for TFTP image download. Use only if DNS is unavailable or must be bypassed.

master n/a IP address of the

master M-switch.

Overides servername. Use if DNS is unavailable or must be bypassed.

Specify an IP address, if necessary.

If using DHCP, the Aruba 52 will obtain its IP address automatically and this step can be skipped. Otherwise, the AP must be manually configured with a static IP address using the following commands:

apboot> setenv ipaddr apboot> setenv netmask apboot> setenv gatewayip

Save the configuration and reboot the Aruba 52.

apboot> save apboot> boot

Once the Aruba 52 boots, disconnect it and mount it in its intended service location (see instructions on page 18).

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Mount the Aruba 52

When initial setup is complete, mount the Aruba 52 in its intended service location.

Select a location as close as possible to the center of the intended coverage area. If necessary, use the Aruba WLAN Switch’s built-in site survey software to determine the optimum locations for your access points and air monitors (see your Aruba AirOS Software Guide).

The service location should be free from obstructions or obvious sources of interference. Normally, the higher you place an access point or air monitor, the better its performance.

The Aruba 52 can be mounted in the following ways:

LAN

READY

FIGURE 2-2 Aruba 52 Mounting Options

Flat on a table or shelf (with the LEDs on top)

LAN

READY

R E A D

L A N

. A

. B

Upright on a wall (with the port connectors on top) using the built-in mounting slots or the optional mounting kit

Suspended from above (with the LEDs on bottom) using the optional mounting kit

CAUTION—For safety purposes, do not mount the Aruba 52 sideways (with the air

vents on top and bottom).

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Free-Standing Placement

To place the Aruba 52 on a flat table or shelf, first attach the included non-skid foot-pads to the bottom of the chassis.

CAUTION—Do not place the Aruba 52 in any place where it could fall on people or

equipment. For more secure installation, use the optional mounting kit.

Using the Built-In Mounting Slots

The keyhole-shaped slots on the bottom of the Aruba 52 can be used to attach the device to a wall or shelf.

CAUTION—Do not use the mounting slots to hang the Aruba 52 from the ceiling

or in any place where it could fall on people or equipment. For more secure installation, use the optional mounting kit.

To hang the Aruba 52, perform the following steps.

Install three screws in the wall or shelf as shown in Figure 2-3:

(fastened to wall or shelf)

7.27 cm (2.86")

READY LAN .A .B

Orientation

FIGURE 2-3 Mounting Screw Specifications

Measuring

Point

5.5 cm (2.17")

7.27 cm (2.86")

Screw/Nail DimensionsScrew/Nail Positions

Maximum Minimum

7.0 mm

5.8 mm

0.23"

3.0 mm

0.27"

0.12"

2.0 mm

3.8 mm

clearance from surface

0.08"

0.15"

clearance from surface

1.3 mm clearnace from surface

0.05"

clearance from surface

If attaching the device to drywall, we recommend using appropriate wall anchors (not included) as shown in Figure 2-4.

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Align the Aruba 52 mounting slots to capture the surface screws.

.A .B

LAN

READY

FIGURE 2-4 Hanging the Aruba 52 on Screws

Secure the Aruba 52, if desired.

To prevent the unauthorized removal of the Aruba 52 from its installed location, use a Kensington MicroSaver Security Cable (not included). Wrap the security cable around an immovable object, insert the cable’s lock into the Kensington Security Slot on the back of the Aruba 52, and turn the key.

Orient the antennas.

For best performance, swivel the antennas so that they are oriented vertically (see Figure 2-2 on

page 18). Once mounting is complete, connect the required cables (see instructions on page 25).

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Using the Optional Mounting Kit

Use the optional mounting kit to attach the Aruba 52 to a wall, shelf, or ceiling.

OTE—Do not attach the rubber foot-pads to the Aruba 52 when using the mounting kit.

Wall, Shelf, or Solid Ceiling Mount

Attach the mounting cradle to the mounting surface.

Place the flat side of the cradle against the mounting surface. If attaching the cradle to a wall, orient it so that the cable tie anchors are positioned at the top. If attaching the cradle to a table, shelf, or solid ceiling, orient the cable tie anchors toward the cable route.

CAUTION—Do not use screws to attach the mounting cradle to a suspended ceil-

ing or other structurally weak surface. For suspended ceilings, use the T-rail clips as described on page 23 instead.

Use the four #6 screws (or equivalent) to secure the cradle to the solid surface. If attaching the cradle to drywall, we recommend using appropriate wall anchors (not included) as show below:

FIGURE 2-5 Attaching the Mounting Cradle

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READY LAN .A .B

Place the Aruba 52 into the mounting cradle as shown in Figure 2-6.

Align with

A B C

etched line

Press chassis against clips

Slide into position

FIGURE 2-6 Placing the Aruba 52 into the Cradle

Align the front edge of the chassis with the etched line on the mounting cradle. This will fit the Aruba 52 mounting slots over the matching cradle posts.

Press and hold the Aruba 52 chassis against the retaining clips on the cradle.

Slide the Aruba 52 into place. When properly positioned, the retaining clips will spring up to hold the chassis firmly in place.

OTE—To remove the Aruba 52 from the cradle, press down on both retaining clips and

slide the chassis free of the mounting posts.

Secure the Aruba 52, if desired.

Orient the antennas.

For best performance, swivel the antennas so that they are oriented vertically (see Figure 2-2 on

page 18). Once mounting is complete, connect the required cables (see instructions on page 25).

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Suspended Ceiling Mount

Place the Aruba 52 into the mounting cradle as shown in Figure 2-6 on page 22.

Use the T-rail clips, nylon washers, and nuts included in the optional mounting kit to attach the Aruba 52 to the underside of a suspended ceiling.

Side View

T-Rail

Clip

Cradle

Washers

Nut

FIGURE 2-7 Mounting on a Suspended Ceiling

The T-rail clips twist onto the rails used with standard suspended-ceiling systems. Place the T-rail clips approximately 15 cm (6 inches) apart at the location where the Aruba 52 will be installed. Use the mounting cradle to gauge the appropriate distance between the clips.

Use the nylon washers to insolate the cradle from electrical contact with the T-rail. Make sure to insert the raised ridge of the lower washers fully into the cradle mounting holes as shown above.

Orient the antennas.

For best performance, swivel the antennas so that they are oriented vertically (see Figure 2-2 on

page 18). Once mounting is complete, connect the required cables (see instructions on page 25).

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Connect Required Cables

The cables required for operating the Aruba 52 depend on your intended network topology (see Figure 2-1 on page 8) and on the physical location.

Direct SPOE to the Aruba WLAN Switch

OTE—If connecting the Aruba 52 through the LAN or to a non-SPOE network port on

the Aruba WLAN Switch, see the instructions on page 26.

Connect the SPOE adapter to the Aruba 52.

Connect the adapter’s 9-pin serial connector to the Console port on the back of the Aruba 52.

Connect the adapter’s male RJ-45 plug to the FE port on the back of the Aruba 52.

Connect the Aruba 52 to the Aruba WLAN Switch.

The connection between the Aruba 52 and the Aruba WLAN Switch requires an 8-conductor, Category 5 UTP, straight-through FE cable with RJ-45 connectors (see Appendix A for port specifications).

Any FE cable installed in an air-handling space, as described in NEC (2002) Article 300.22(C), should be suitable under NEC Article 800.50 and marked accordingly for use in plenums and air-handling spaces with regard to smoke propagation, such as CL2-P, CL3-P, MPP or CMP. Install cables in accordance with all applicable local regulations and practices.

Connect one end of the FE cable directly to the RJ-45 socket on the SPOE adapter that was attached to the Aruba 52 in the previous step.

Connect the other end of the FE cable directly to an available SPOE network port on the Aruba WLAN Switch.

OTE—The Aruba 52 must be connected to the Aruba WLAN Switch without any inter-

vening hubs, routers, or other networking equipment.

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CAUTION—To prevent personal injury or damage to equipment, be sure to com-

LAN or POE Connection

Use this procedure when connecting the Aruba 52 through the LAN or to a non-SPOE network port on theAruba WLAN Switch.

OTE—If connecting the Aruba 52 directly to a SPOE network port on the Aruba WLAN

Switch, see the instructions on page 25.

Connect the Aruba 52 to the network.

Connect one end of an FE cable to a network hub, router, or switch that has a routable path to the Aruba WLAN Switch.

z If the connecting device supports POE (see “Power Over Ethernet” on page 2), use an

8- or 4-conductor, Category 5 UTP, straight-through FE cable.

z If the connecting device does not support POE, use a 4- or 8-conductor, Category 5

UTP, straight-through or crossover FE cable.

Any FE cable installed in an air-handling space, as described in NEC (2002) Article

300.22(C), should be suitable under NEC Article 800.50 and marked for use in plenums and air-handling spaces with regard to smoke propagation, such as CL2-P, CL3-P, MPP or CMP. Install cables in accordance with all applicable local regulations and practices.

For port and cable details, see Appendix A.

Connect the other end of the FE cable to the FE port on the back of the Aruba 52.

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Connect power.

CAUTION—Be sure to comply with electrical grounding standards during all

The Aruba 52 can receive electrical power using the following options:

z POE–If connecting the Aruba 52 to a device that supplies IEEE 802.3af compliant POE

(see “Power Over Ethernet” on page 2), no additional power connection is necessary.

z Power Outlet

OTE—When the Aruba 52 is installed in an air-handling space, as described in NEC

(2002) Article 300.22(C), POE must be used instead of a power outlet.

If local regulations and practices permit, connect the included AC power adapter cable to the DC power socket on the rear panel of the Aruba 52 and plug it into an appropriate power outlet.

CAUTION—Use only the AC power adapter supplied with this device. Other-

wise, the product may be damaged.

Reviewers:

Is shared secret config implemented?

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APPENDIX A

Port Specifications

Console Port

The console port is located on the back of the Aruba 52 and has a DB-9 female connector. Port pin-outs are shown in Figure A-1:

Aruba 52

Console

Figure A-1 Aruba 52 Console Port

DB-9 Female DCE Pin-Out

9 8 7 6

Direction

5 4 3 2 1

Input

Output

TxD RxD

Communication settings for the console port are specified in Ta b l e A - 1 :

Tab l e A - 1 Console Terminal Settings

Baud Rate Data Bits Parity Stop Bits Flow Control

9600 8 None 1 None

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FE Port

The 10/100 Mbps Ethernet (FE) port is located on the back of the Aruba 52 and has an RJ-45 female connector. Port pin-outs are shown in Figure A-2:

10/100 Mbps Ethernet

Aruba 50

Figure A-2 Aruba 52 FE Port

RJ-45 Female Pin-Out

1 2 3 4 5 6 7 8

Direction

Input

Output

Rx+ (POE negative*) Rx– (POE negative*) Tx+ (POE positive*)

Tx– (POE positive*)

*POE optional

The port accepts a 4- or 8-conductor Category 5 UTP FE cable with an RJ-45 male connector.

The FE port detects MDI/MDX and automatically adjusts for straight-through or crossover cables. However, if Power Over Ethernet (POE) is used, a straight-through cable is required.

The maximum length for FE cables is 100 meters (325 feet).

When the Aruba 52 is installed in an air-handling space, as described in NEC (2002) Article

300.22(C), POE is required. Also, any FE cable installed in such spaces should be suitable under NEC Article 800.50 and marked accordingly for use in plenums and air-handling spaces with regard to smoke propagation, such as CL2-P, CL3-P, MPP or CMP.

Install cables in accordance with all applicable local regulations and practices.

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SPOE Adapter

The Serial & Power Over Ethernet (SPOE) adapter pin-outs are shown in Figure A-3:

SPOE Adapter

Figure A-3 Aruba SPOE Adapter

RJ-45 Female Pin-Out

ETH Rx+ (POE negative)

ETH Rx– (POE negative)

ETH Tx+ (POE positive) Serial TxD

Serial TGND

5 6

ETH Tx– (POE positive) Serial RxD

Serial RGND

Direction

Input

Output

RJ-45 Male to Aruba 50 10/100 Mbps Ethernet Port

DB-9 Male to Aruba 50

Console Port

The adapter requires an 8-conductor Category 5 UTP, straight-through FE cable with RJ-45 male connectors. The cable must connect the SPOE adapter to an FE+SPOE port on the Aruba WLAN Switch, with no intervening hubs, routers, or other network equipment.

The maximum length for FE cables is 100 meters (325 feet).

The Aruba 52 and SPOE adapter are plenum rated. When is installed in an air-handling space, as described in NEC (2002) Article 300.22(C), the connecting FE cable should be suitable under NEC Article 800.50 and marked accordingly for use in plenums and air-handling spaces with regard to smoke propagation, such as CL2-P, CL3-P, MPP or CMP.

Install cables in accordance with all applicable local regulations and practices.

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APPENDIX B

Product Specifications

The following specifications apply to the Aruba 52 Wireless Access Point (model WAP-50).

Physical

TABLE B-1 Physical Specifications

Item Measurement

Size 20.5 x 13.6 x 4 cm

(8.07 x 5.35 x 1.58 in)

Weight 280 gram (9.9 oz.)

Environment

TABLE B-2 Environmental Specifications

Item Measurement

Temperature Operating: 0 to 50 ºC (32 to 122 ºF)

Storage: 0 to 70 ºC (32 to 158 ºF)

Humidity 5% to 95% (non-condensing)

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Operation

General

TABLE B-3 Operational Specifications

Item Measurement

Maximum Channels 802.11a—US & Canada: 13, Japan: 5

802.11b/g—US & Canada: 1-11, Europe: 1-13, France: 10-13,

Japan: 1-14, Spain: 10-11 Maximum Clients 64 Data Rate 802.11a—6, 9, 12, 18, 24, 36, 48, 54 Mbps per channel

802.11b—1, 2, 5.5, 11 Mbps per channel

802.11g—6, 9, 12, 18, 24, 36, 48, 54 Mbps per channel

Operating Frequency 802.11a—

5.15 ~ 5.25 GHz (lower band) US/Canada, Japan

5.25 ~ 5.35 GHz (middle band) US/Canada

5.725 ~ 5.825 GHz (upper band) US/Canada

802.11b/g—

2.412 ~ 2.452 GHz US/Canada, Japan

2.457 ~ 2.462 GHz US/Canada, Europe, France, Japan, Spain

2.467 ~ 2.472 GHz Europe, France, Japan

2.484 GHz Japan

Output Power 100 mW maximum (or lower as configured on the Aruba WLAN

Switch to comply with local regulatory requirements) Power Adapter Input—

100-240 AC, 50-60 Hz

Access Point Input—

3.3 VDC, 3 A (AC adapter), or 48 VDC, 150 mA (POE)

LED Indicators Ready (Power), LAN (Ethernet Link/Activity), .A and .B/.G

(Access Point/Air Monitor Mode) Standards IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX,

IEEE 802.11a/b/g, IEEE 802.3af

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Certifications

TABLE B-4 Certifications

Item Measurement

Electromagnetic Compatibility

FCC Part 15 Class B, FCC Part 15 Class C 15.207/15.247, FCC Part 15 Class E 15.407

ICES-003, RSS 210 (CAN)

IEC 61000-4-2/3/4/6/11

EN 55022, EN55024 (89/336/EEC), ETS 300 328 (89/336/EEC), ETS 301 489 (89/336/EEC), ETS 301 893

AS/NZS 3548, RFS 29 (NZ)

Safety CSA/NTRL (CSA 22.2 No. 950 & UL 1950)

EN60950 (TÜV/GS), IEC60950 (CB), UL 2043

Product Specifications 35

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