HP J9720A Manuel utilisateur

SAFETY

The HP J9719A and J9720A and all associated equipment should be

installed in accordance with applicable local and national electrical code

guidelines to ensure safe operation.

Before connecting an outdoor antenna to an HP Wireless Access

Point, be sure that the access point radio power levels are set in

accordance with local regulatory requirements. For information

on setting radio power levels, see Transmit power control in the

MSM3xx/4xx Access Points Management and Configuration Guide.

For mandatory antenna power settings by country/region,

look for Antenna Power-Level Setting Guide (for MSM products)

at www.hp.com/support/manuals (search by antenna part number).

Please read all instructions carefully before attempting to install

and use this product.

Grounding: System grounding and lightning protection are essential,

especially for exterior-mounted antennas exposed to the elements.

Never install an antenna where it may fall and contact electrical lines.

wArrAnTY And SupporT inFormATion

See the warranty and support information included with this product. For

the latest information go to www.hp.com/networking/support.

The information contained herein is subject to change without notice.

Printed in Malaysia,

October 2011

Part Number: 5998-2272

dESCripTion

The HP J9719A and J9720A are single-band omnidirectional antennas

for use in 802.11n MIMO applications. Enclosed in a weatherproof,

rugged radome, these antennas include a mast mount for outdoor

deployment. Each of the three MIMO antenna elements are connected

to the access point via low loss, outdoor rated coaxial pigtails. The

radiation patterns are uniform and symmetrical, providing excellent

signal level into defined coverage areas.

These antennas will enhance the performance of 802.11n systems.

SpECiFiCATionS

2.4 GHz and 5 GHz Outdoor 3-Port MIMO Omnidirectional Antennas (J9719A and J9720A) Guide

Image of J9719A and J9720A

Item J9719A J9720A

Frequency 2400 MHz - 2500 MHz 5150 MHz - 5875 MHz

Gain 6 dBi 8 dBi

Polarization Linear, Vertical

3dB Beamwidth 26° 15.5°

VSWR 2:1, Max

Impedance 50 Ω

Power 5W x 3

Port-to-port Isolation 22 dB

Downtilt 0°

Cable Length 91 cm (36”) x 3

RF Connector Type N, Male (x 3)

Cable Type RG58, Low Temp. Plenum rated

Radome Material Polycarbonate, White

Size 248 mm height x 210 mm diameter,

(9.76” x 8.27”), not including brackets

Weight 1.51 kg (3.32 lbs) 1.53 kg (3.37 lbs)

Mounting Mast Mount 31.8 mm - 57.2 mm diam.

(1.25” - 2.25” diam.)

Wind Surface Area

(Curvature) 0.03 m2(0.328 sq. ft)

Wind Survival 200 km/h (125 mph)

Wind Gust Survival 266 km/h (165 mph)

Operational Temperature -40°C to +70°C

(Cable Install Low Temp -20°C)

Storage Temperature -40°C to +85°C

Ingression Protection IP67

2.4 GHz and 5 GHz Outdoor 3-port MIMO Omnidirectional Antennas (J9719A and J9720A) Guide2

AnTEnnA loCATion

This is an outdoor antenna, but it may also be used indoors. For best

results, mount the J9719A or J9720A in the center of the coverage area.

A line-of-sight path between the antenna and active area works best.

Avoid mounting next to a column or vertical support that could create a

shadow zone and reduce coverage.

ASSEmblY And mounTing

The kit allows mounting on a mast (1¼ - 2¼ inches). Assemble and

mount the antenna as follows.

Key Description Qty

1 Antenna Assembly 1

2 Nut, Hex, [M8x1.25], Ss, Pa 2

3 Bolt, Hex, M8x1.25 x 80 mm, Ss, Pa 2

4 Washer, Slock, [M8], Ss, Pa 2

5 Washer, Flat, [M8], Ss, Pa 4

6 Bracket, Rear Clamp 1

1. Locate unit on mast, so that antenna is just above

metal pole structure.

2. Locate rear clamp bracket just behind antenna bracket

and align holes.

3. Insert (2) M8 bolts using flat washers on the front side,

as image shows.

4. Place (2) M8 flat washers, (2) lock washers and (2) nuts on

the back of the (2) bolts, securing the antenna in place.

5. Torque nuts to 15-17N-m (11.0-12.5 ft-lbf)

ligHTning ArrESTEr

WARNING: PROFESSIONAL INSTALLATION REQUIRED: Prior

to installing or using this device, consult with a professional installer

trained in RF installation and knowledgeable in local regulations

including building and wiring codes, safety, channel, power, indoor/

outdoor restrictions, and license requirements for the intended country.

It is the responsibility of the end user to ensure that installation and use

comply with local safety and radio regulations.

Warning: Surge protection and grounding: When connecting an

outdoor antenna, make sure that proper lightning surge protection and

grounding precautions are taken in accordance with local electrical

codes. Failure to do so may result in personal injury, fire, equipment

damage, or a voided warranty. The HP hardware warranty does not

cover damage caused by static discharge or lightning strike.

For outdoor applications, it is strongly recommended that you install

a lightning arrester (HP J8996A or equivalent) for each port of the

antenna. Lightning arresters must be purchased separately.

For best results, install the lightning arrester in close proximity to a low-

resistance ground at a point where the coaxial cable enters the building

or attaches to an AP. For exterior installations, use weatherproof coaxial

connectors with a suitable plastic or rubberized tape to prevent water

incursion. See Photo 2.

To connect the lightning arrester to the ground, use a very short and

direct run of # 10 solid copper wire, or equivalent. Ensure that the other

end of the grounding wire connects to a true earth ground according to

the NFPA 70 National Electrical Code and/or all pertinent local codes.

Photo 2.

2.4 GHz and 5 GHz Outdoor 3-port MIMO Omnidirectional Antennas (J9719A and J9720A) Guide3

Be sure to install the lightning arrester in an accessible location that

permits periodic inspection and replacement (as needed).

Provide drip loops in cables to prevent water from entering the building.

See Photo 3.

AnTEnnA pATTErn ploTS

The plots on the following pages are oriented as follows:

Photo 3.

Plot Orientation Diagram

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P3 5.725

P3 5.47

P3 2.4-2.5 GHz.NSI

2.45 GHz (Port 1 Vertical Polarization)

2.45 GHz (Port 2 Vertical Polarization)

2.45 GHz (Port 3 Vertical Polarization)

H-Plane 90°

E0-Plane 90°

H-Plane 0°

E90-Plane 270°

E0-Plane 180°

E90-Plane 180°

E0-Plane 0°

E90-Plane 0°

H-Plane 180°

E90-Plane 90°

H-Plane 270°

E0-Plane 270°

2.4 GHz and 5 GHz Outdoor 3-port MIMO Omnidirectional Antennas (J9719A and J9720A) Guide4

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E90 PlaneE0 PlaneH Plane

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P3 5.725

P3 5.47

P3 2.4-2.5 GHz.NSI

E90 PlaneE0 PlaneH Plane

E90 Plane

E0 PlaneH Plane

E90 PlaneE0 PlaneH Plane

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P3 5.725

P3 5.47

P3 2.4-2.5 GHz.NSI

5.725 GHz (Port 1 Vertical Polarization)5.47 GHz (Port 1 Vertical Polarization)

5.725 GHz (Port 2 Vertical Polarization)5.47 GHz (Port 2 Vertical Polarization)

5.725 GHz (Port 3 Vertical Polarization)5.47 GHz (Port 3 Vertical Polarization)

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