Meru Networks AP832 Manual de usuario

Meru AP832

Installation Guide

Other names and brands may be claimed as the property of others.

April 2013

Document Number: 882-70013 Rev A Ver 2 AP832 Installation Guide

Safety Precautions

Chapter 2

Installing AP832e

This chapter describes how to install and configure an AP832e. It contains the following sections:

Safety Precautions

Unpack the AP832e

Installation Requirements

Install the AP832e

Check AP832e LED Activity

Where to Go From Here

Safety Precautions

IMPORTANT—Read and follow the regulatory instructions in Appendix B before installing and operating

this product.

If an optional power supply is used, it must be one supplied by Meru Networks.

The AP832e is intended only for installation in Environment A as defined in IEEE 802.3af. All intercon-

nected equipment must be contained within the same building, including the interconnected equip-

ment's associated LAN connection.

Unpack the AP832e

Confirm that the AP832e shipping package contains these items:

Warning!

This product is intended to be supplied by a UL Listed power supply

marked Class 2 or LPS and rated minimum 12Vdc, 2A. For Power over

Ethernet, an 802.3af or 802.3at connection must be used.

Installation Requirements

AP832e

Wall mount bracket

Two ceiling mount brackets (for varying sized ceiling structures)

Six antennas

Screws for the mounting bracket

Installation Requirements

An array of holes on the mounting bracket allows the AP832e to be mounted on the wall and over junc-

tion boxes or molly bolts. There are holes for passing the PoE Ethernet or external power supply cable

through the bracket if the bracket is mounted on a junction box.

The AP832e has a security cable slot so you can lock the AP832e with a standard security cable, such

as those used to secure laptop computers.

The AP832e ships with included ceiling and wall mounting brackets to be used for varying types of

lcations, such as on T-bars or over junction boxes. For mounting above ceiling tiles, purchase optional

mounting kits:

Above Suspended Ceiling Mounting Kit (T-Bar Hanger): MNT-ASCMKIT

Above hanging ceiling tiles. Suitable for use in environmental air space in accordance with the

Section 832e-22(c) of the National Electric Code and Sections 2- 128.12 - 010 (3) and 12 - 100 of the

Canadian Electrical Code. Part 1. C22. 1. Note that in order to comply with these standards, the

plastic cover on the AP must be removed.

Additional Equipment

A power source is needed to power the AP832e. The AP832e requires an 802.3af or 802.3at power

source when operating with PoE. If this is not available, 12V DC power (2A rated) must be supplied.

Antenna Mappings

See Table 1 to determine which radio is associated with each antenna.

Install the AP832e

Table 1: Antenna Mappings

Install the AP832e

Select a Location

Attach the Provided Antennas

Install the Access Point

Select a Location

All AP832e interconnected equipment, including the associated LAN connection, must be contained

within the same building. In addition, the AP832e location should meet the following conditions:

Relatively unobstructed access to the stations the AP serves. Select a location with minimal physical

obstructions between the AP and the wireless stations. In an office with cubicles, mounting the APs

below a hanging ceiling (plenum is supported) or the wall near the ceiling provides the least

obstructed communications path. On a wall, orient the AP832e horizontally so that you can read

the Meru logo without tilting your head at 90 degrees - this orientation provides optimum MIMO

performance.

Access to wall outlet or a to a Power over Ethernet (PoE) connection to the network switch servicing

the controller.

We recommend planning for about 256 clients per radio (or per interference region) if you plan to

use Virtual Port and plan to have phones as clients. Refer to the Meru Deployment Guides on the

support site for more information.

AP832e is designed to provide 360 degree omni-directional coverage as illustrated below. Plan place-

ment with this pattern in mind.

Antenna Radio/Channel

1Radio1

2Radio1

3Radio1

4Radio2

5Radio2

6Radio2

Install the AP832e

Figure 1: Coverage Pattern for AP832e When Ceiling Mounted

Most installations receive the best coverage using the following guidelines:

Install APs toward the center of the building.

Place APs about 80 feet apart.

Do not install APs near metal objects, such as heating ducts, metal doors, or electric service panels.

Attach the Provided Antennas

All AP832es have six external antenna ports, labeled 1 - 6. These units operate with six antennas

attached, even though some configurations don’t use all six. Instead of attaching an antenna, you can

cap unused antenna connectors with 50 ohm Reverse Polarity SMA terminators. (For a list of approved

terminators, see http://www.merunetworks.com/merusupport.) To achieve the best performance

from your AP832e, position antennas at a 90 degree angle relative to each other. The antennas do not

have to be oriented exactly as shown in the figure, but it is important to maintain the relative angles.

If for some reason you are unable to maintain those angles, the network still operates, but you may

experience up to 20% drop in throughput depending on the antenna orientation.

Do not leave any antenna connectors unterminated. All connectors on the AP must be terminated with

antennas or with 50 ohm Reverse Polarity SMA terminators. (For a list of approved terminators, see

http://www.merunetworks.com/merusupport.

The attached antennas must be the same model; if you replace one antenna, replace them all.

Install the Access Point

AP832e ships several different mounting bracket components to allow for a variety of mounting

options. You can mount an AP832e in the following ways:

Mount AP832e Horizontally on a Shelf

Mount AP832e Vertically on a Wall

Mount AP832e Below a Suspended Ceiling

Mount AP832e on a Dropped Ceiling Bevel Tile

Mount AP832e on an Interlude T-Bar

Note:

When planning to operating multiple radios on the same band (i.e., 2 radios

on the 2.4GHz band), it is important that the user reducethe transmit power for each

radio by 3dBm from its default setting.

ceiling

floor

Install the AP832e

Mount AP832e Above a Suspended Ceiling

Mount AP832e Horizontally on a Shelf

When mounting an AP832e horizontally, simply place it on the desired surface and connect power and

network cables.

Mount AP832e Vertically on a Wall

The AP832 ships with a metal bracket that can be used to mount it on a wall. This bracket is used in

conjunction with the plastic 650-00232 15/16" T-Bar Adapter/Wall Mount bracket to easily lock the

AP into place.

To mount an AP832e on a wall:

1. Place the metal bracket against the wall. It should be oriented such that the indicator text for wall-

mounting is pointing upwards (see Figure 2).

Figure 2: AP832 Wall Bracket

2. Attach the bracket to the wall using screws at the appropriate screw locations as indicated in

Figure 2. Recommend #6, #8 (M3, M3.5).

3. Locate the 650-00232 15/16" T-Bar Adapter/Wall Mount component and attach it to the raised

screw locations on the Wall Mount plate. See Figure 3.

Wall-mount screws

Install the AP832e

Figure 3: Attaching the AP Mount to the Wall Mount

4. Screw the plastic component into place on the metal bracket.

5. Run the Ethernet and power cable (if using one) through the rectangular opening at the bottom of

the Wall Mount bracket and connect them to their corresponding ports on the underside of the AP.

6. Press the Receiving Slots on the underside of the AP (indicated below) to the corresponding tabs

("Mounting Pins") on the plastic bracket. See Figure 4.

Install the AP832e

Figure 4: Attaching the AP to the Wall Mount

7. Slide the AP horizontally to lock the tabs into place.

8. If not already connected, you may now connect the Ethernet cable and DC power (if used) and

verify that the AP comes online.

Mount AP832e Below a Suspended Ceiling

The provided ceiling mounting brackets allow the AP832e to attach to suspended ceiling T-rails. The

AP ships with two different ceiling mounting bracket options to accomodate varying sizes of ceiling T-

rails. Be sure to attach the correctly-sized bracket to your AP prior to attempting to deploy it. Note

that each plastic bracket contains descriptive text to indicate the ceiling T-rail size for which it is

designed.

To mount an AP832e below a suspended ceiling:

1. Determine the location on the ceiling rail where the AP will be mounted and remove the ceiling

tiles.

2. Attach the AP to the mounting bracket by pressing the bracket’s Mounting Pins (shown in Figure 4)

to the AP’s Receiving Slots and sliding the bracket until it locks in place.

3. Press the AP and bracket against the rail and twist to lock it into place.

Note:

Figure 4 shows an AP832i model being attached to the bracket, but the

process is identical for either AP.

Install the AP832e

4. Connect one end of the CAT5 (or greater) Ethernet cable with PoE to the 100/1000 Ethernet

connector on the underside of the AP.

5. Verify that the AP comes online and then replace the ceiling tiles removed in Step 1.

Mount AP832e on a Dropped Ceiling Bevel Tile

The mounting procedure for a ceiling that has recessed supports and lowered tiles is similar to that of

mounting on a suspended ceiling. However, this procedure requires a specialized mounting bracket

(MNT-SCRMKIT-03), as shown in Figure 5.

Figure 5: Dropped Bevel Tile Mounting Bracket

1. Remove the ceiling tile alongside which the AP will be mounted.

2. Locate the 650-00232 15/16" T-Bar Adapter/Wall Mount and attach the AP to the mounting

bracket by pressing the bracket’s Mounting Pins (shown in Figure 4) to the AP’s Receiving Slots and

sliding the bracket until it locks in place.

3. Push down on the thumbscrews provided on the mounting bracket and clip it to the ceiling bar that

will support the AP.

4. Tighten the screws to ensure that the mechanism stays locked in place.

5. Gently press the underside of the AP (with bracket attached) against the Dropped Bevel Tile

Mounting bracket indicated above and twist to lock them together.

6. Connect one end of the CAT5 (or greater) Ethernet cable with PoE to the 100/1000 Ethernet

connector on the underside of the AP.

7. Verify that the AP comes online and then replace the ceiling tiles removed in Step 1.

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