Juniper Networks 632 802.11abgn outdoor AP User Manual Trapeze Manual s and reference

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Trapeze Networks, Inc.

5753 W. Las Positas Blvd.

Pleasanton, CA 94588

Tel: +1 925-474-2200

Fax: +1 925-251-0642

Toll-Free: 877-FLY-TRPZ (877-359-8779) Part Number: 730-9502-0293 Rev. B

For the most current version of all documentation, go to

www.trapezenetworks.com

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

This guide provides basic hardware installation instructions for MP access point models MP-620,

MP-622, and MP-632. The MP-620, MP-622, and MP-632 are suitable for installation outdoors.

Warning! Installation must be performed by qualified service personnel only. Read and

follow all warning notices and instructions marked on the product or included in the

documentation. Before installing the product, read the rest of this document.

Waarschuwing! De installatie mag alleen worden uitgevoerd door bevoegd

onderhoudspersoneel. Het is essentieel dat u kennis neemt van alle waarschuwingen en

instructies aangebracht op het product zelf en/of opgenomen in de documentatie.

Voordat u het product installeert, dient u dit document in zijn geheel te hebben gelezen.

Warnung! Die Installation darf nur von qualifiziertem Servicepersonal vorgenommen

werden. Lesen und befolgen Sie alle Warnhinweise und -anleitungen auf dem Produkt

bzw. in der Dokumentation. Lesen Sie vor Installation des Produkts den restlichen Teil

dieses Dokuments.

Avertissement! L’installation ne peut être effectuée que par un personnel qualifié.

Lisez et suivez tous les messages d’avertissement et les instructions inscrits sur le

produit ou inclus dans la documentation. Avant d’installer le produit, lisez le reste de ce

document.

Attenzione! L’installazione deve essere effettuata unicamente da personale

qualificato. Leggere e rispettare tutte le segnalazioni di attenzione e le istruzioni

indicate sul prodotto o incluse nella documentazione. Prima d’installare il prodotto,

leggere tutto il documento.

¡Advertencia! La instalación debe realizarse exclusivamente por parte de personal de

servicio cualificado. Lea y siga todas las notas de advertencia e instrucciones en el

producto o la documentación. Antes de instalar el producto deberá leer la parte restante

del presente documento.

Outdoor Mobility Point Quick Start Guide v.7.1 3

Trapeze Networks

¡Advertencia! A instalação dever ser realizada exclusivamente por pessoal de serviço

qualificado. Leia e siga todas as notas de advertência e instrucões no produto ou na

documentação. Antes de instalar o produto deverá ler a parte restante do presente

documento.

Varning! Installation får endast utföras av kvalificerad servicepersonal. Läs och följ

alla varningsmeddelanden och instruktioner markerade på produkten eller inkluderade

i dokumenteringen. Innan produkten installeras skall resten av dessa dokument läsas.

Advarsel! Installation må kun gennemføres af faglært servicepersonale. Læs, og følg

alle de advarselsmeddelelser og anvisninger, der er anført på produktet eller i

dokumentationen. Læs resten af dette dokument før installation af produktet.

Advarsel! Installasjon skal kun utføres av kvalifisert service personell. Les og følg alle

varsels meldinger og instrukssjons merkinger på produktet og i veiledningen. Les

resten av denne veiledningen før produktet installeres.

Varoitus! Installatie dient uitsluitend plaats te vinden door bevoegde monteurs. Lees

alle waarschuwingen en instructies die op het product zijn aangegeven of in de

documentatie zijn opgenomen, en volg deze op. Lees voordat u het product installeert

eerst de rest van dit document.

Viðvörun! Aðeins hæfir þjónustufulltrúar mega sinna uppsetningu tækjanna. Lesið og

fylgið öllum viðvörunum og leiðbeiningum í þessum gögnum. Lesið restina af þessum

gögnum fyrir uppsetningu.

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

Outdoor Mobility Point Quick Start Guide v.7.1 5

Trapeze Networks

For more information about MP installation as well as safety and installation requirements, see the

following:

❑Outdoor Mobility Point Installation Guide v.7.1

❑For detailed compliance information see the Trapeze Regulatory Guide located at:

http://www.trapezenetworks.com/support/contact_support/. The guide can be downloaded

in PDF format.

MP-620

The MP-620 provides wireless access point services for clients in the local LAN area, and can provide

point-to-point or point-to-multipoint wireless bridge links between remote Ethernet LANs. The MP is

housed in a weatherproof enclosure for mounting outdoors and includes brackets for attaching to a

wall, pole, radio mast, or tower structure. The unit is powered through an Ethernet cable connection

from a power injector module installed indoors. The MP-620 provides a 54 Mbps half-duplex

connection for each active channel.

A wireless bridge system offers a solution for connectivity between remote Ethernet wired LANs, or to

provide Internet access to an isolated site where a wired link may be difficult or expensive to deploy.

The wireless bridge connection provides data rates of up to 108 Mbps.

Radio Characteristics – The IEEE 802.11a and 802.11g standards use a radio modulation

technique known as Orthogonal Frequency Division Multiplexing (OFDM), and a shared collision

domain (CSMA/CA). The 802.11a standard operates in the 5 GHz Unlicensed National Information

Infrastructure (UNII) band, and the 802.11g standard in the 2.4 GHz band.

IEEE 802.11g includes backward compatibility with the IEEE 802.11b standard. IEEE 802.11b also

operates at 2.4 GHz, but uses Direct Sequence Spread Spectrum (DSSS) and Complementary Code

Keying (CCK) modulation technology to achieve a communication rate of up to 11 Mbps.

MP-622

The MP-622 provides only external antenna options and is designed to operate as the “root bridge” in

point-to-multipoint configurations, supporting wireless bridge connections to as many as six units.

The MP is housed in a weatherproof enclosure for mounting outdoors and includes brackets for

attaching to a wall, pole, radio mast, or tower structure. The unit is powered through an Ethernet

cable connection from a power injector module installed indoors. The wireless bridge connection

provides data rates of up to 54 Mbps.

MP-632

The MP-632 is a 802.11a/b/g/n outdoor AP that is designed for pole-mounting and wall mounting. The

MP-632 supports 6 antenna ports, three for the 11a/n radio and three for the 11b/g/n radio. An MX

cannot be used to power the outdoor AP. An XPS-6201-OUT or XPS-6202-OUT outdoor power supply

that uses the IP67 multi-pin DIN connector is required. The MP-632 supports a new set of external

antennas that are commercially available. The MP-632 does not support internal antennas or PoE

The MP-632 must only be used with a Trapeze-approved XPS-6201-OUT or

XPS-6202-OUT outdoor power supply in order to prevent possible damage to the unit.

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

Package Checklist

The MP-620 package includes:

❑One MP-620 Mobility Point (MP)

❑One Category 5 network cable, length 164 ft (50 m)

❑One power injector module and power cord

❑Outdoor pole-mounting bracket kit

❑Installation manual

❑Optional: Two N-type RF coaxial cables

❑Optional: Outdoor wall-mounting bracket kit

❑Optional: Lightning protector for outdoor antenna

The MP-622 package includes:

❑One MP-622 Mobility Point (MP)

❑XPS-6201-OUT or XPS-6202-OUT (packaged in a separate box)

❑Installation manual

❑Optional: Lightning protector for outdoor antenna

The MP-632 package includes:

❑One MP-632 Mobility Point (MP)

❑Mounting brackets and mounting hardware

❑Weather sealing caps for all 6 external antenna connectors

❑Installation manual

❑Separate package for XPS-6201-OUT or XPS-6202-OUT outdoor power supply (orderable option).

❑Circular DIN to RJ45 dongle cable and waterproof caps for RJ45 dongle

❑Two-hole tabular lug for AWG #8 ground cable

❑Antenna connector terminator. Any unused antenna connector on an active radio must be

terminated.

Contact Trapeze Networks 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.

Outdoor Mobility Point Quick Start Guide v.7.1 7

Trapeze Networks

Installing and Connecting an Outdoor MP

Installation Requirements and Recommendations

For best results, follow these requirements and recommendations before installing an MP-620,

MP-622, or MP-632.

RingMaster Network Plan and Work Orders

If you are using RingMaster to plan your Trapeze Networks Mobility System installation, you might

want to create and verify a network plan for the entire Trapeze network installation and generate an

MP work order, before installing MP access points. A network plan and the MP work orders

generated from it provide the following information about MP access point installation and

configuration:

❑Number of MP access points required for adequate WLAN capacity in each coverage area

❑Detailed installation location for each MP access point

❑Settings for all MP access points in the WLAN

MX Appliance Recommendation

Trapeze Networks recommends that you install and configure the MX before installing an MP. If the

MX is already installed and configured for the MPs, you can immediately verify the cable

connection(s) when you plug the cable(s) into the MP.

Weather Conditions

When planning an MP-620, MP-622, or MP-632 installation, you must take into account any extreme

weather conditions that are known to affect your location. Consider the following factors:

Temperature

Operating an MP in temperatures outside of the supported range may cause the unit to fail.

❑The MP-620 is tested for normal operation in temperatures from -33°C to 55°C.

❑The MP-622 is tested for normal operation in temperatures from -30° to 55 °C (-22° to

131°F).

❑The MP-632 is tested for an ambient operating temperature range of -40°C to +55°C.

Before installing an MP access point, you might need to generate a network plan and

an MP work order with RingMaster. (See RingMaster Network Plan and Work

Orders below.)

MP models MP-620,MP-622 and MP-632 are designed to receive power only from a

Trapeze-provided power injector.

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

Wind Velocity

You must consider the known maximum wind velocity and direction at the site and be sure that

any supporting structure, such as a pole, mast, or tower, is built to withstand this force.

❑The MP-620, MP-622, and MP-632 can operate in winds up to 90 MPH and survive higher

wind speeds up to 125 MPH.

Lightning

The MP-620, MP-622, and MP-632 both include built-in lightning protection. However, you should

make sure that the unit, any supporting structure, and cables are all properly grounded. Additional

protection using lightning rods, lightning arrestors, or surge suppressors may also be employed.

Rain

❑The MP-620 and MP-622 units are weatherproofed against rain. Also, prolonged heavy rain

has no significant effect on the radio signal. However, it is recommended to apply

weatherproof sealing tape around the Ethernet port and antenna connectors for extra

protection. If moisture enters a connector, it may cause a degradation in performance.

❑The MP-632 weatherproof enclosure is designed to protect against dust, rain, and water jets.

Snow and Ice

❑Falling snow, like rain, has no significant effect on the radio signal. However, a build up of

snow or ice on antennas may cause a degradation in performance. In this case, the snow or ice

has to be cleared from the antennas to restore proper operation of the unit.

Ethernet Cabling

When you have determined a suitable location for the MP-620, MP-622, or MP-632, you must plan a

cable route from the MP outdoors to the power injector module indoors. Consider these points:

❑The Ethernet cable length should never be longer than 328 ft (100 m) over CAT5, CAT5e, or CAT6

cable.

❑Determine a building entry point for the cable.

❑Determine if conduits, bracing, or other structures are required for safety or protection of the cable.

❑For lightning protection at the power injector end of the cable, consider using a lightning arrestor

immediately before the cable enters the building.

Grounding

MP-620, MP-622, and MP-632

❑It is important that the MP-620, MP-622 and MP-632 units, cables, lightning arrestors, and any

supporting structures are properly grounded. The MP-620 and MP-622 units include a grounding

screw for attaching a ground wire. Be sure that grounding is available and that it meets local and

national electrical codes. The MP-632 includes two grounding screws and a tubular lug for

attaching a crimped ground wire.

See the Outdoor Power Supply Installation Guide for details on installing the power

supply for the MP-620.

Outdoor Mobility Point Quick Start Guide v.7.1 9

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MP Radio Safety Advisories

When you enable the MP radio(s) as part of MX configuration, the radios are able to receive and

transmit radio frequency energy as soon as you connect the MP to the MX, either directly or through

the network.

Radio Frequency Exposure

Federal Communications Commission (FCC) Docket 96-8 for Spread Spectrum Transmitters specifies

a safety standard for human exposure to radio frequency electromagnetic energy emitted by

FCC-certified equipment. When used with the proper antennas (shipped in the product), Trapeze

Networks MP access point products meet the uncontrolled environmental limits found in OET-65 and

ANSI C95.1-1991. Proper installation of the MP access point according to the instructions in this

manual will result in user exposure that is below the FCC recommended limits.

Additional Radio Safety Advisories

For additional radio safety warnings, the Regulatory Guide document.

Installing an MP-620

The MP-620 includes a bracket kit for mounting the unit to a 1.5 to 2 inch diameter steel pole or tube.

The pole-mounting bracket allows the unit to be mounted to part of a radio mast or tower structure.

The unit also has a wall-mounting bracket kit that enables it to be installed on a building wall or roof

when using external antennas.

Hardware installation of the MP-620 involves these steps:

1. Mount the unit on a wall, pole, mast, or tower using the mounting bracket.

2. Mount external antennas on the same supporting structure as the MP-620 and connect them to

the unit.

3. Connect the Ethernet cable and a grounding wire to the unit.

4. Connect the power injector to the Ethernet cable, a local LAN switch, and an AC power source.

5. For wireless bridge or Mesh Services installations, align antennas at the bridge or mesh link

endpoints.

Mounting the Unit

You can mount the MP-620 using either the pole-mounting bracket or the wall-mounting bracket. Use

one of the following procedures.

Using the Pole-Mounting Bracket

Perform the following steps to mount the unit to a 1.5 to 2 inch diameter steel pole or tube using the

mounting bracket:

1. Always attach the bracket to a pole with the open end of the mounting grooves facing up.

If you are installing the MP-620 as a Mesh AP in a WLAN Mesh or wireless bridge

configuration, and the MP will not have a wired link to an MX , you must configure

the MP connection using a wired link to an MX switch before deploying the MP-620

in a final location.

See the Mobility System Software Configuration Guide for information about

configuring WLAN Mesh Services and wireless bridging.

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

2. Place the U-shaped part of the bracket around the pole and tighten the securing nut just enough

to hold the bracket to the pole. (The bracket may need to be rotated around the pole during the

alignment process.)

Figure 1–1. Attaching the Bracket to the Pole

3. Use the included nuts to tightly secure the MP-620 to the bracket.

Mounting on Larger Diameter Poles

In addition, there is a method for attaching the pole-mounting bracket to a pole that is 2 to 5 inches in

diameter using an adjustable steel band strap (not included in the kit). A steel band strap up to 0.5

inch (1.27 cm) wide can be threaded through the main part of the bracket to secure it to a larger

diameter pole without using the U-shaped part of the bracket. This method is illustrated in the

following figure.

Figure 1–2. Attaching the Bracket Using a Steel Band Strap

Using the Wall-Mounting Bracket

Perform the following steps to mount the unit to a wall using the wall-mounting bracket:

1. Always attach the bracket to a wall with the open end of the mounting grooves facing up (see

following figure).

ttach bracket to

pole with mounting

grooves facing up

Steel Band Clamp

Outdoor Mobility Point Quick Start Guide v.7.1 11

Trapeze Networks

Figure 1–3. Wall-Mounting Bracket

2. Position the bracket in the intended location and mark the position of the three mounting screw

holes.

3. Drill three holes in the wall that match the screws and wall plugs included in the bracket kit, then

secure the bracket to the wall.

4. Use the included nuts to tightly secure the MP-620 to the bracket.

Connecting External Antennas

When deploying an MP-620, you must mount external antennas and connect them to the unit.

Typically, access point operation requires a 2.4 GHz antenna, and bridge link operation requires a

5 GHz antenna.

Perform these steps:

1. Mount the external antenna to the same supporting structure as the MP-620, within 10 ft (3 m)

distance, using the bracket supplied in the antenna package.

2. If you are installing the optional lightning arrestor for an outdoor antenna, perform the following

steps. Otherwise, skip to step 3.

a. Solder the ground wire to the ground-wire terminal lug supplied with the lightning arrestor.

Trapeze Networks recommends that you use 6-gauge cable for the ground wire. The ground

wire must be properly earthed in order to provide adequate protection.

b. Attach the ground-wire terminal lug, lock washer, and hex nut to the lightning arrestor, in the

order shown in Figure 1–4 below.

To meet regulatory requirements, you must ensure that the external antenna specified

with the set ap radio antennatype command exactly matches the external antenna

attached to the MP-620 external antenna port.

Mounting Grooves

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

Figure 1–4. Attaching the Ground-Wire Terminal Lug, Lock Washer, and Hex Nut to the Lightning Arrestor

c. Connect one end of the short RF coaxial cable to the MP-620 N-type connector, and connect the

other end to the lightning arrestor.

d. Connect one end of the 3m RF coaxial cable to the lightning arrestor, and connect the other end

to the outdoor antenna. Continue with step 4.

3. Connect the antenna to the MP-620 N-type connector using the RF coaxial cable provided in the

antenna package.

4. Apply weatherproofing tape to the antenna connectors to help prevent water entering the

connectors.

Outdoor Mobility Point Quick Start Guide v.7.1 13

Trapeze Networks

Figure 1–5. Connecting External Antennas to the MP-620

Connecting Cables to the Unit

1. Attach the Ethernet cable to the Ethernet port on the MP-620.

2. For extra protection against rain or moisture, apply weatherproofing tape (not included) around

the Ethernet connector.

3. Be sure to ground the unit with an appropriate grounding wire (not included) by attaching it to

the grounding screw on the unit.

The Ethernet cable included with the package is 30 m (100 ft) long. To wire a longer

cable (maximum 100 m, 325 ft), use the connector pinout information in Appendix B.

Be sure that grounding is available and that it meets local and national electrical

codes. For additional lightning protection, use lightning rods, lightning arrestors, or

surge suppressors.

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

Figure 1–6. Attaching an Ethernet Cable to the MP-620

Connecting the Outdoor Power Supply

For instructions on connecting the outdoor power supply to the MP-620, refer to the Outdoor Power

Supply Installation Guide. Be sure to contact a fully qualified electrician to perform the installation.

Connecting an MP to an MX

You can connect an MP directly to an MX or indirectly to the MX through an intermediate Layer 2 or

Layer 3 network. If you are connecting the MP directly to an MX, use the following procedure to

insert the cable into the MX and verify the link.

You can use the CLI or RingMaster to configure an MP connection. If you are installing the MP-620

as a Mesh AP in a WLAN Mesh or wireless bridge configuration, you must configure the MP

connection before deploying the MP-620 in its final location. (See the Mobility System Software

Configuration Guide.)

Figure 1–7 shows how to insert a Cat 5 cable into 10/100 Ethernet port on an MX. Refer to this figure

as you perform the procedure.

Figure 1–7. 10/100 Cat 5 Cable Installation

Outdoor Mobility Point Quick Start Guide v.7.1 15

Trapeze Networks

1. Insert a Cat 5 cable with a standard RJ-45 connector as shown in Figure 1–7. For connection to an

MP, use a straight-through cable.

2. When the link is activated, observe the MP LED for the port on the MX:

Aligning Antennas for Bridge or Mesh Links

If you are installing MP-620 units for wireless bridge or Mesh Services operation, after the units have

been mounted, connected, and the radios are operating, the antennas must be accurately aligned to

ensure optimum performance on the bridge or mesh links.

This alignment process is particularly important for long-range point-to-point links. In a

point-to-multipoint configuration, the Mesh Portal AP uses an omnidirectional or sector antenna,

which does not require alignment, but Mesh APs still need to be correctly aligned with the Mesh

Portal antennna.

❑Point-to-Point Configurations – In a point-to-point configuration, the alignment process

requires two people at each end of the link. The use of cell phones or two-way radio communication

may help with coordination. To start, you can just point the antennas at each other, using

binoculars or a compass to set the general direction. For accurate alignment, you must connect a

DC voltmeter or RSSI meter to the BNC connector on the MP-620 and monitor the voltage as the

antenna moves horizontally and vertically.

❑Point-to-Multipoint Configurations – In a point-to-multipoint configuration all Mesh APs must

be aligned with the Mesh Portal antenna. The alignment process is the same as for point-to-point

links, but only the Mesh AP end of the link requires the alignment.

The MP-620 BNC connector provides an output voltage between 0 and 3.28 VDC that is proportional

to the received radio signal strength. The higher the voltage reading, the stronger the signal. The

radio signal from the remote antenna can be seen to have a strong central main lobe and smaller side

lobes. The object of the alignment process is to set the antenna so that it is receiving the strongest

signal from the central main lobe.

MX Port LEDs for MP

Connections Meaning

Solid green For an MP access point active link, all the following are true:

❑MP has booted.

❑MP has received a valid configuration from the MX switch.

❑Management link with an MP is operational.

❑At least one radio is enabled or is in sentry mode.

For an MP secondary link, the link is present.

Alternating green and

amber

MP is booting with an image received from the MX switch. After the access

point boots and receives its configuration, this LED appearance persists

until a radio is enabled or is placed in sentry mode.

Solid amber PoE is on.

Blinking amber MP is unresponsive or there is a PoE problem.

Unlit PoE is off.

An MX switch 10/100 Ethernet ports are configured as wired network ports by

default. You must change the port type for an MX port directly connected to an MP to

activate the link. (See the Mobility Exchange Installation and Basic Configuration

Guide.)

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

Figure 1–8. Aligning the MP-620 Antenna According to Signal Strength

To align the antennas in the link using the output voltage, start with one antenna fixed and then

perform the following procedure to align the other antenna:

1. Optionally configure the MP with the fixed antenna to send link calibration packets.

A link calibration packet is an unencrypted 802.11 management packet of type Action. When

enabled on an MP radio, link calibration packets are sent at a rate of 5 per second. When the

MP-620 receives a link calibration packet, it emits a voltage to the RSSI meter proportional to the

received signal strength of the packet. This can aid in positioning the MP-620 where it has a

strong signal to the MP sending out the packets.

To configure an MP radio to send out link calibration packets, use the following command on the

MX:

set ap num radio num link-calibration mode {enable | disable}

Only one radio on an MP can be configured to send link calibration packets. Link calibration

packets are intended to be used only during installation of MPs and not on a continual basis.

2. On the MP-620, remove the BNC connector cover and connect a DC voltmeter or RSSI meter using

a cable with a male BNC connector (not included).

Main Lobe

Maximum

Horizontal Scan

Vertical Scan

RSSI

Voltage Side Lobe

Maximum

RSSI Voltage

Remote

Antenna

Maximum Signal Strength Position

for Horizontal Alignment

Maximum Signal

Strength Position for

Vertical Alignment

Outdoor Mobility Point Quick Start Guide v.7.1 17

Trapeze Networks

Figure 1–9. Connecting a Voltmeter to the MP-620

3. Pan the antenna horizontally back and forth while checking the RSSI voltage. If using the

pole-mounting bracket with the MP-620, you must rotate the mounting bracket around the pole.

Other external antenna brackets may require a different horizontal adjustment.

4. Find the point where the signal is strongest (highest voltage) and secure the horizontal

adjustment in that position.

5. Loosen the vertical adjustment on the mounting bracket and tilt the antenna slowly up and down

while checking the RSSI voltage.

6. Find the point where the signal is strongest and secure the vertical adjustment in that position.

7. Remove the voltmeter cable and replace the connector cover.

Sometimes there may not be a central lobe peak in the voltage because vertical

alignment is too far off and only two similar peaks for the side lobes are detected. In

this case, fix the antenna so that it is halfway between the two peaks.

Voltmeter

RSSI BNC

Connection

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

Installing an MP-622

The MP-622 includes a bracket kit for mounting the unit to a 1.5 to 2 inch diameter steel pole or tube.

The pole-mounting bracket allows the unit to be mounted to part of a radio mast or tower structure.

The unit also has a wall-mounting bracket kit that enables it to be installed on a building wall or roof

when using external antennas.

Hardware installation of the MP-622 involves these steps:

1. Mount the unit on a wall, pole, mast, or tower using the mounting bracket.

2. Mount external antennas on the same supporting structure as the MP-622 and connect them to

the unit.

3. Connect the Ethernet cable and a grounding wire to the unit.

4. Connect the power injector to the Ethernet cable, a local LAN switch, and an AC power source.

5. For wireless bridge or Mesh Services installations, align antennas at the bridge or mesh link

endpoints.

Mounting the Unit

You can mount the MP-622 using either the pole-mounting bracket or the wall-mounting bracket. Use

one of the following procedures.

Using the Pole-Mounting Bracket

Perform the following steps to mount the unit to a 1.5 to 2 inch diameter steel pole or tube using the

mounting bracket:

If you are installing the MP-622 as a Mesh AP in a WLAN Mesh or wireless bridge

configuration, the MP does not have a wired link to an MX. You must configure the

MP connection using a wired link to an MX before deploying the MP-622 in a final

location.

See the Mobility System Software Configuration Guide for information about

configuring WLAN Mesh Services and wireless bridging.

Always attach the bracket to a pole with the open end of the mounting grooves facing

up.

Outdoor Mobility Point Quick Start Guide v.7.1 19

Trapeze Networks

1. Place the V-shaped part of the bracket around the pole and tighten the securing nuts just enough

to hold the bracket to the pole. (The bracket may need to be rotated around the pole during the

alignment process.)

Figure 1–10. Attaching the Bracket to the Pole

2. Fit the edges of the V-shaped part into the slots in the rectangular plate, and use the included

nuts to tightly secure the MP-622 to the bracket.

Outdoor Mobility Point Quick Start Guide v.7.1

Trapeze Networks

3. Attach the adjustable rectangular plate to the bridge with supplied screws.

4. Attach the bridge with bracket to the plate already fixed to the pole.

5. Use the included nuts to secure the wireless bridge to the pole bracket. Note that the wireless

bridge tilt angle may need to be adjusted during the antenna alignment process. Be sure to take

account of the antenna polarization direction. All antennas in a link must be mounted with the

same polarization.

Outdoor Mobility Point Quick Start Guide v.7.1 21

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Mounting on Larger Diameter Poles

There is also a method for attaching the pole-mounting bracket to a pole that is 2 to 5 inches in

diameter using an adjustable steel band strap (not included in the kit). A steel band strap up to 0.5

inch (1.27 cm) wide can be threaded through the main part of the bracket to secure it to a larger

diameter pole without using the U-shaped part of the bracket. This method is illustrated in the

following figure.

Figure 1–11. Attaching the Bracket Using a Steel Band Strap

Using the Wall-Mounting Bracket

Perform the following steps to mount the unit to a wall using the wall-mounting bracket.

1. Always attach the bracket to a wall with the flat side flush against the wall (see following figure).

Figure 1–12. Wall-Mounting Bracket

The wall-mounting bracket does not allow the integrated antenna of the wireless

bridge to be aligned. It is intended for use with the unit using an external antenna.

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2. Position the bracket in the intended location and mark the position of the four mounting screw

holes.

3. Drill four holes in the wall that match the screws and wall plugs included in the bracket kit, then

secure the bracket to the wall.

4. Use the included nuts to tightly secure the MP-622 to the bracket.

Connecting External Antennas

For some applications, when deploying an MP-622, you must mount external antennas and connect

them to the unit. Typically, access point operation requires a 2.4 GHz antenna, and bridge link

operation requires a 5.0 GHz antenna.

The primary port for 802.11bg (2.4Ghz) is port 1 and the primary port for 802.11a is Port 3. The

MP-622 supports one or two antennas connected to each band. If you install one antenna it must be

installed in the primary port. If you install two antennas they must be the same antenna model.

There are no additional configuration requirements for adding the second antenna. If antenna

diversity between the two antennas is a desired option it must be configured.

The default for the 802.11bg radio is ANT-1360-OUT.

set ap apnum radio num antennatype {ANT-1120-OUT | ANT-1360-OUT | ANT-5360-OUT

| ANT-5120-OUT | ANT-5PNL-OUT}

The antenna-location must be either indoors or outdoors. Placing and configuring one antenna

indoors and the other outdoors is not allowed.

set ap apnum antenna-location {indoors | outdoors}

To connect external antennas follow these steps:

1. Mount the external antenna to the same supporting structure as the MP-622, within 10 ft (3 m)

distance, using the bracket supplied in the antenna package.

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2. If you are installing the optional lightning arrestor for an outdoor antenna, perform the following

steps. Otherwise, skip to step 3.

a. Solder the ground wire to the ground-wire terminal lug supplied with the lightning arrestor.

Trapeze Networks recommends that you use 6-gauge cable for the ground wire. The ground

wire must be properly earthed in order to provide adequate protection.

b. Attach the ground-wire terminal lug, lock washer, and hex nut to the lightning arrestor, in the

order shown in Figure 1–4 below.

Figure 1–13. Attaching the Ground-Wire Terminal Lug, Lock Washer, and Hex Nut to the Lightning Arrestor

c. Connect one end of the short RF coaxial cable to the MP-622 N-type connector, and connect the

other end to the lightning arrestor.

d. Connect one end of the 3m RF coaxial cable to the lightning arrestor, and connect the other end

to the outdoor antenna. Continue with step 4.

3. Connect the antenna to the MP-622 N-type connector using the RF coaxial cable provided in the

antenna package.

4. Apply weatherproofing tape to the antenna connectors to help prevent water entering the

connectors.

To meet regulatory requirements, you must ensure that the external antenna

specified with the set ap radio antennatype command exactly matches the external

antenna attached to the MP-622 external antenna port.

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Figure 1–14. Connecting External Antennas to the MP-622

Connecting Cables to the Unit

1. Attach the Ethernet cable to the Ethernet port on the MP-622.

2. For extra protection against rain or moisture, apply weatherproofing tape (not included) around

the Ethernet connector.

3. Be sure to ground the unit with an appropriate grounding wire (not included) by attaching it to

the grounding screw on the unit.

4. Be sure to install a lightning arrestor on the Ethernet cable between the bridge and power

injector. The lightning arrestor should be placed outdoors, immediately before the Ethernet cable

enters the building.

Be sure that grounding is available and that it meets local and national electrical codes.

For additional lightning protection, use lightning rods, lightning arrestors, or surge

suppressors.

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Figure 1–15. Attaching an Ethernet Cable to the MP-622

Connecting the Outdoor Power Supply

For instructions on connecting the outdoor power supply to the MP-622, refer to Installing an Outdoor

Power Supply (Model XPS-620x-OUT). Be sure to contact a fully qualified electrician to perform the

installation.

Connecting the Power Injector

To connect the wireless bridge to a power source:

The Ethernet port on the wireless bridge does not support Power over Ethernet

(PoE) based on the IEEE 802.3af standard. Do not try to power the unit by

connecting it directly to a network switch that provides IEEE 802.3af PoE. Always

connect the unit to the included power injector module.

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1. Connect the Ethernet cable from the wireless bridge to the RJ-45 port labeled “Output” on the

power injector.

2. Connect a straight-through unshielded twisted-pair (UTP) cable from a local LAN switch to the

RJ-45 port labeled “Input” on the power injector. Use Category 5e or better UTP cable for 10/

100BASE-TX connections.

3. Insert the power cable plug directly into the standard AC receptacle on the power injector.

4. Plug the other end of the power cable into a grounded, 3-pin socket, AC power source.

Always align the UTP cable with the pins in the RJ-45 “Input” port. You can bend the

power injector pins and cause other damage to the unit by forcing the the cable into

the port.

The RJ-45 port on the power injector is an MDI port. If connecting directly to a

computer for testing the link, use a crossover cable.

For International use, you may need to change the AC line cord. You must use a line

cord set that has been approved for the receptacle type in your country.

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Checking the LED Indicators

The 11a and 11b/g LEDs on the MP-622 operate in two display modes, which are configurable through

the software. The default AP mode indicates data traffic rates. The RSSI mode indicates the received

signal power and is used when aligning antennas in a bridge link.

When the bridge is connectedd to power, the LEDs indicate as follows:

Connecting an MP to an MX

You can connect an MP directly to an MX or indirectly to the MX through an intermediate Layer 2 or

Layer 3 network. If you are connecting the MP directly to an MX, use the following procedure to

insert the cable into the MX and verify the link.

LED Color Indicates

Power Green The bridge is powered up and operating normally.

Off The bridge is not receiving power or there is a fault with the power

supply.

Amber The system is under cold reset status.

Link Green The bridge has a 10/100 Mbps Fast Ethernet connection, but there is no

activity.

Flashing Indicates that the bridge is transmitting or receiving data on a 10/100

Mbps Ethernet LAN. Flashing rate is proportional to network activity.

Off No link is present or the Ethernet LAN port is disabled.

11a

(Three

LEDs)

Green and

Flashing

The 802.11a 5.3 GHz radio is enabled.

RSSI Mode:

❑One fully lit LED indicates a low RSSI output level, two LEDs.a

medium level, and three LEDs the maximum level.

❑A flashing LED indicates an intermediate RSSI output level AP

Mode:

❑One fully lit LED indicates a low traffic rate, two LEDs.a medium

rate, and three LEDs the maximum rate.

❑A flashing LED indicates an intermediate traffic rate level

Off No link is present or the 802.11a radio is disabled.

11g

(Three

LEDs)

Amber and

Flashing

The 802.11g 2.4 GHz radio is enabled.

RSSI Mode:

❑One fully lit LED indicates a low RSSI output level, two LEDs.a

medium level, and three LEDs the maximum level.

❑A flashing LED indicates an intermediate RSSI output level AP

Mode:

❑One fully lit LED indicates a low traffic rate, two LEDs.a medium

rate, and three LEDs the maximum rate.

❑A flashing LED indicates an intermediate traffic rate level

Off No link is present or the 802.11g radio is disabled.

For lightning protection at the power injector end of the cable, consider using a

lightning arrestor immediately before the cable enters the building.

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You can use the CLI or RingMaster to configure an MP connection. If you are installing the MP-622

as a Mesh AP in a WLAN Mesh or wireless bridge configuration, you must configure the MP

connection before deploying the MP-622 in its final location. (See the Mobility System Software

Configuration Guide.)

Figure 1–7 shows how to insert a Cat 5 cable into 10/100 Ethernet port on an MX. Refer to this figure

as you perform the procedure.

Figure 1–16. 10/100 Cat 5 Cable Installation

1. Insert a Cat 5 cable with a standard RJ-45 connector as shown in Figure 1–7. For connection to an

MP, use a straight-through cable.

2. When the link is activated, observe the MP LED for the port on the MX:

MX Port LEDs for MP

Connections Meaning

Solid green For an MP access point active link, all the following are true:

❑MP has booted.

❑MP has received a valid configuration from the MX switch.

❑Management link with an MP is operational.

❑At least one radio is enabled or is in sentry mode.

For an MP secondary link, the link is present.

Alternating green and

amber

MP is booting with an image received from the MX switch. After the access

point boots and receives its configuration, this LED appearance persists

until a radio is enabled or is placed in sentry mode.

Solid amber PoE is on.

Blinking amber MP is unresponsive or there is a PoE problem.

Unlit PoE is off.

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Aligning Antennas for Bridge or Mesh Links

If you are installing MP-622 units for wireless bridge or Mesh Services operation, after the units have

been mounted, connected, and the radios are operating, the antennas must be accurately aligned to

ensure optimum performance on the bridge or mesh links.

This alignment process is particularly important for long-range point-to-point links. In a

point-to-multipoint configuration, the Mesh Portal AP uses an omnidirectional or sector antenna,

which does not require alignment, but Mesh APs still need to be correctly aligned with the Mesh

Portal antenna.

❑Point-to-Point Configurations – In a point-to-point configuration, the alignment process

requires two people at each end of the link. The use of cell phones or two-way radio communication

may help with coordination. To start, you can just point the antennas at each other, using

binoculars or a compass to set the general direction. For accurate alignment, monitor the RSSI’s

LED indicator as you move the antenna horizontally and vertically.

❑Point-to-Multipoint Configurations – In a point-to-multipoint configuration all Mesh APs must

be aligned with the Mesh Portal antenna. The alignment process is the same as for point-to-point

links, but only the Mesh AP end of the link requires the alignment.

The LEDs are viewed right to left as you look at the back of the MP. The range from 1 to 12 will cover

the signal range to accurately align the antenna. The signal strength LEDs indicate the received

radio signal strength for a particular bridge link. The more LEDs that turn on, the stronger the

signal. (RSSI level 1 should equate to the lowest useful signal). Alternatively, you can monitor the

Receive Signal Strength Indicator (RSSI) value directly from the management interface. The higher

the RSSI value, the stronger the signal.

When you move the antenna during alignment, the radio signal from the remote antenna can be seen

to have a strong central main lobe and smaller side lobes. The object of the alignment process is to set

the antenna so that it is receiving the strongest signal from the central main lobe.

The MX 10/100 Ethernet ports are configured as wired network ports by default. You

must change the port type for an MX port directly connected to an MP to activate the

link. (See the Mobility Exchange Installation and Basic Configuration Guide.)

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Figure 1–17. Aligning the MP-622 Antenna According to Signal Strength

When aligning the antennas the MP with the antenna that is being aligned to must be set to send

link-calibration packets. Use the following command to setup the MP that the MP-622 is being

aligned with.

set ap num radio num link-calibration mode {enable | disable}

Link-calibration should be disabled under normal operation of the MP.

If the MP-622 is installed with two directional antennas, connect the first antenna to the primary

antenna port with antenna diversity off and align it. Then disconnect the first antenna and connect

the second antenna to the primary antenna port. If the second antenna is being aligned with a

different MP, disable link-calibration on the original MP and enable it on the new MP. Once both

antennas are properly aligned, connect them to their desired ports.

Main Lobe

Maximum

Horizontal Scan

Vertical Scan

RSSI

Value Side Lobe

Maximum

RSSI Value

Remote

Antenna

Maximum Signal Strength Position

for Horizontal Alignment

Maximum Signal

Strength Position for

Vertical Alignment

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To align the antennas in the link using the output LEDs, start with one antenna fixed and then

perform the following procedure to align the other antenna:

1. Pan the antenna horizontally back and forth while checking the RSSI LEDs. If using the

pole-mounting bracket with the MP-622, you must rotate the mounting bracket around the pole.

Other external antenna brackets may require a different horizontal adjustment.

2. Find the point where the signal is strongest (all LEDs on) and secure the horizontal adjustment in

that position.

3. Loosen the vertical adjustment on the mounting bracket and tilt the antenna slowly up and down

while checking the LEDs.

Find the point where the signal is strongest and secure the vertical adjustment in that position.

Sometimes there may not be a central lobe peak in the RSSI LED

indicators because vertical alignment is too far off and only two

similar peaks for the side lobes are detected. In this case, fix the

antenna so that it is halfway between the two peaks.

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Installing an MP-632

The MP-632 includes a bracket kit for mounting the unit to a 1.5 to 2-inch diameter steel pole or tube.

The unit also has a wall-mounting bracket kit that can be used to install the unit on a building wall.

You also have the option to mount the MP on a larger pole (up to 12-inch diameter) using the bracket

kit and two metal band straps (straps not provided by Trapeze). Hardware installation of the MP-632

involves these steps:

1. Mount the unit on a wall, pole, mast, or tower using the mounting bracket.

2. Mount external antennas on the same supporting structure as the MP-632 and connect them to

the unit.

3. Connect the Ethernet cable and a grounding wire to the unit.

4. Connect the other end of the circular DIN power cable to the XPS outdoor power supply.

5. Connect the circular DIN Ethernet cable and prepare the RJ45 cable with the waterproof cover

that is provided.

Mounting the Unit

You can mount the MP-632 using either the wall-mounting bracket or the wall-mounting bracket

combined with the pole-mounting bracket (brackets are provided for both a 1.5 to 2-inch diameter

steel pole or tube or a larger size pole or tube). Use one of the following procedures.

Using the Pole-Mounting Bracket

Perform the following steps to mount the unit to a 1.5 to 2 inch diameter steel pole or tube using the

mounting bracket:

The MP-632 must only be used with a Trapeze-approved XPS-6201-OUT or

XPS-6202-OUT outdoor power supply in order to prevent possible damage to the unit.

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1. Insert the four large screws (included in kit) through the four circular holes in the bracket as

shown below.

2. Position the flat bracket behind the pole as shown below and align the screws on the front bracket

with the holes in the flat bracket.

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3. Insert the four screws into the holes on the flat bracket and secure the brackets to the pole using

the provided nuts.

4. Position the MP-632 unit so that the mounting holes overlap with the same-sized holes on the

pole-mounting bracket.

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5. Use the 2 small bolts and washers (included in kit) to tightly secure the MP-632 to the

pole-mounting bracket.

Mounting on Larger Diameter Poles

There is also a method for attaching the pole-mounting bracket to a larger diameter pole using two

adjustable steel band straps (not included in the kit). The two steel band straps can be threaded

through the rectangular holes in the bracket to secure it to a larger diameter pole. This method is

shown in the following figure.

This pole mounting procedure can also be used to attached the MP-632 unit to a

horizontal pole.

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Figure 1–18. Attaching the Bracket Using Steel Band Straps

Using the Wall-Mounting Bracket

Perform the following steps to mount the unit to a wall using the wall-mounting bracket.

Figure 1–19. Wall-Mounting Bracket

1. Position the bracket on the intended wall location and drill four large screws (not included in kit)

in through the circular holes on the bracket until it is firmly secured to the wall.

Always attach the bracket to a wall with the flat side flush against the wall (see

following figure)

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2. Position the MP-632 unit so that the mounting holes overlap with the same-sized holes on the

wall-mounted bracket..

3. Use the 2 small bolts and washers (included in kit) to tightly secure the MP-632 to the

wall-mounted bracket.

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Connecting External Antennas

The supported antennas models are:

❑802.11bgn Radio

❍ANT-7360A-OUT (stick, N-type jack)

If this antenna is used the unused center antenna port must be terminated.

❍ANT-77555-OUT (3 RP-SMA jack)

❍ANT-74520-OUT (3 RP-SMA)

❑802.11an Radio

❍ANT-7360A-OUT (stick)

❍ANT-74520-OUT (3 RP-SMA)

❍ANT-77555-OUT (3 RP-SMA)

❍ANT-5007-OUT (2 N-type)

The port usage depends on the antennas in use. If the OMNI antennas are used there must be 3

antennas installed for the radio. If an antenna is used then the two edge ports must be connected to

the antenna (ports 4 and 6). The middle port will be turned off by the software and should be

terminated. If either the ANT-77555 or 74520 are used all three connectors must be connected to the

MP for the correct radio.

set ap apnum radio num antennatype {ANT-7360A-OUT | ANT-77555-OUT | ANT-74520-OUT |

ANT-5O07-OUT} …

The antenna-location must be either indoors or outdoors. Although this is an outdoor AP it may be

used indoors. The following command is per radio.

set ap apnum antenna-location {indoors | outdoors}

Multiple External Antenna Support

The MP-632 supports the use of multiple antenna ports per radio. Since there are always multiple

antennas connected, antenna diversity is always on. The command to set the number of external

antennas does not apply to the MP-632. The number of antenna ports in use is determined by the

antenna type.

set ap num radio num external-antennas num

If the external-antenna command is used for the MP-632 it will be ignored at the CLI.

If the ANT-5007-OUT antenna is in use on the 11a/n radio then the radio configuration will revert to

2 x 3 mode rather than 3 x 3 mode and the middle port for the radio must not be used.

Splitting the antennas between indoors and outdoors is not allowed.

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Ethernet

The MP-632 supports a single IEEE 802.3-compliant auto-sensing 10/100/1000 BaseT Ethernet

interface on the Ethernet input connector. The MP is configured as auto MDI/MDIX and is powered

from the XPS-6201-OUT or XPS-6202-OUT power supplies.

The MP-632 receives separate primary 48VDC power input and Ethernet signal from separate

48VDC and Ethernet input connectors.

The MP-632 48VDC / Ethernet inputs provides primary and secondary lightning protection on all

conductors. (The 48VDC / Ethernet inputs to the MP-632 need lightning protection because the power

supply can be up to 100m away.)

The Ethernet interface supports a cable length of at least 100m over CAT5, CAT5e, or CAT6 cable.

The MP-632 must only be used with a Trapeze-approved XPS-6201-OUT or

XPS-6202-OUT outdoor power supply in order to prevent possible damage to the unit.

Always add the waterproof cap to the RJ45 cable when installing the DIN-RJ45 dongle.

Water can cause damage to the unit and the cables.

If you convert the 8 pin female circular DIN data port on the MP-632 bulkhead to a

standard RJ45 waterproof connection for the 10/100/1000 data port, PoE on the

10/100/1000 port must be disabled to prevent service interruption.The MP-632 does not

support PoE on the 10/100/1000 Ethernet data port.

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Figure 1–20. Attaching the Ground-Wire Terminal Lug, Lock Washer, and Hex Nut to the Lightning Arrestor

e. Connect one end of the short RF coaxial cable to the MP-632 N-type connector, and connect the

other end to the lightning arrestor.

f. Connect one end of the 3m RF coaxial cable to the lightning arrestor, and connect the other end

to the outdoor antenna. Continue with step 4.

4. Connect the antenna to the MP-632 N-type connector using the RF coaxial cable provided in the

antenna package.

5. Apply weatherproofing tape to the antenna connectors to help prevent water entering the

connectors.

Connecting Cables to the Unit

1. Attach the Ethernet cable to the Ethernet port on the MP-632.

2. For extra protection against rain or moisture, apply weatherproofing tape (not included) around

the Ethernet connector.

3. Be sure to ground the unit with an appropriate grounding wire (not included) by attaching it to

the grounding screw on the unit.

4. Be sure to install a lightning arrestor on the Ethernet cable between the bridge and power

injector. The lightning arrestor should be placed outdoors, immediately before the Ethernet cable

enters the building.

Be sure that grounding is available and that it meets local and national electrical

codes. For additional lightning protection, use lightning rods, lightning arrestors, or

surge suppressors.

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Connecting the Power Injector

To connect the wireless bridge to a power source:

1. Connect the Ethernet cable from the wireless bridge to the PoE Output port labeled “POE Output”

on the power injector.

The Ethernet port on the wireless bridge does not support Power over Ethernet (PoE)

based on the IEEE 802.3af standard. Do not try to power the unit by connecting it

directly to a network switch that provides IEEE 802.3af PoE. Always connect the unit to

the included power injector module.

The MP-632 must only be used with a Trapeze-approved XPS-6201-OUT or

XPS-6202-OUT outdoor power supply in order to prevent possible damage to the unit.

Always align the DIN cable with the pins in the PoE Output port . You can bend the

power injector pins and cause other damage to the unit by forcing the the cable into the

port.

The DATA IN port on the power injector is not used.

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2. Insert the power cable plug directly into the standard AC receptacle on the power injector.

3. Plug the other end of the power cable into a grounded, 3-pin socket, AC power source.

Checking the LED Indicators

The MP-632 has LEDs that provide status information for the device. The table below lists the

function of the LEDs.

The LEDs are also used to indicate RSSI signal level during mesh link calibration. RSSI meter

functionality is discussed in Chapter 4, “Outdoor MP Technical Specifications” of this guide.

For International use, you may need to change the AC line cord. You must use a line cord

set that has been approved for the receptacle type in your country.

LED Appearance Meaning

Health

Solid green All the following are true:

❑Management link with an MX is operational.

❑MP has booted.

❑MP has received a valid configuration from an MX.

❑At least one radio is enabled or is in sentry mode.

Solid amber MP is waiting to receive boot instructions and a configuration file

from an MX.

Alternating green and amber MP is booting and receiving a configuration file from an MX.

After the MP boots and receives a configuration, this LED

appearance persists until a radio is enabled or is placed in sentry

mode.

Radio 1

Radio 2

Solid green A client is associated with the radio.

Blinking green Associated client is sending or receiving traffic.

Blinking amber Non-associated client is sending or receiving traffic.

Alternating green and amber Radio is unable to transmit. This state can occur due to any of the

following:

❑Excessive radio interference in the environment is preventing

the radio from sending beacons.

❑DFS has detected radar and is restricting traffic.

❑The radio has failed.

Unlit Means one of the following:

❑Radio is disabled and active scan is enabled. (The radio is in

sentry mode.)

❑Radio is enabled, but no clients are associated with it.

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Connecting an MP to an MX

You can connect an MP directly to an MX or indirectly to the MX through an intermediate Layer 2 or

Layer 3 network. If you are connecting the MP directly to an MX, use the following procedure to

insert the cable into the MX and verify the link.

You can use the CLI or RingMaster to configure an MP connection. If you are installing the MP-632

as a Mesh AP in a WLAN Mesh or wireless bridge configuration, you must configure the MP

connection before deploying the MP-632 in its final location. (See the Mobility System Software

Configuration Guide.)

Figure 1–7 shows how to insert a Cat 5 cable into a 10/100/1000 Non-PoE port on an MX. Refer to this

figure as you perform the procedure.

Figure 1–21. 10/100 Cat 5 Cable Installation

1. Insert a Cat 5 cable with a standard RJ-45 connector as shown in Figure 1–7. For connection to an

MP, use a straight-through cable.

2. When the link is activated, observe the MP LED for the port on the MX:

For lightning protection at the power injector end of the cable, consider using a

lightning arrestor immediately before the cable enters the building.

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Aligning Antennas for Bridge or Mesh Links

If you are installing MP-632 units for wireless bridge or Mesh Services operation, after the units have