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HP ProCurve Networking

3

MOUNTING HARDwARe

HP ProCurve 4.4dBi Indoor/Outdoor Omnidirectional Antenna (J8441A) Guide

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 ProCurve 

hardware warranty does not cover damage caused by static discharge 

or lightning strike. 
For external 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 connection near where the coaxial cable 

 

enters the building or attaches to an AP. For exterior installations, 

 

use weatherproof coax connectors with a suitable mastic or 

 

rubberized tape to prevent water incursion. See Photo 1. 
To connect the lightning arrester to the ground, use a very short and 

direct run of #8 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. 
Lightning arresters require periodic inspection and replacement. 

 

Provide drip loops in cables to prevent water from entering the 

 

building or AP. See Photo 2.

Photo 2

Photo 1

Key

Image

Desc

Size

Qty

78

Grid Bracket

1

16

Int Tooth Lock Washer

1/4” (00.0)

1

77

Bracket Plate

1

89

Int Tooth Lock Washer

#6

2

90

SS Machine Phillips 

Screw

6-3/32 x 1/4”

2

80

I-beam Clamp

2

04

Flat Washer

1/4”

1

84

Split Lock Washer

1/4”

1

55

Hex Head Bolt

1/4 x 20 x 1/2”

1

18

SS Hex Nut

#8-18 x 3/4”

6

19

SS Lock Washer

5/16” x (00.0)

4

05

U-bolt

1

26

V-bracket

1

48

Base Bracket

2

02

Flat Washer

5/16”

2

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