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Lightning Protection Guide

Business Products

V1.0

Audience

Conventions

To improve internal design, operational function, and/or reliability, Tenda

reserves the right to make changes to the products without obligation to notify

any person or organization of such revisions or changes. Tenda does not

assume any liability that may occur due to the use or application of the product

described herein. Every effort has been made in the preparation of this docu-

ment to ensure accuracy of the contents, but all statements, information and

recommendations in this document do not constitute a warranty of any kind,

express or implied.

This guide is intended for network engineers and network administrators that

have general electrical knowledge.

This guide introduces lightning protection of Tenda's business products.

The symbols that may be found in this document are defined as follows.

Revision History

Tenda is constantly searching for ways to improve its products and documen-

tation. The following table indicates any changes that might have been made

since the guide was first published.

Symbol

Version

V1.0 2022-03-15 Original publication.

Date Description

This format is used to highlight information of impor-

tance or special interest. Ignoring this type of note may

result in ineffective configurations, loss of data or

damage to device.

This format is used to highlight a procedure that will

save time or resources.

Meaning

TIP

NOTE

CONTENTS

1 Terminology and basic knowledge for lightning protection 1

1.1 Terminology 1

1.2 Basic knowledge of lightning strokes 3

1.2.1 Damage of lightning strokes 3

1.2.2 Classification of lightning strokes 3

1.2.3 Lightning strokes on network devices 3

1.2.4 Lightning protection 4

2 Lightning protection guide of devices 5

2.1 Grounding 5

2.1.1 General grounding requirements 5

2.1.2 Grounding methods 6

2.2 Cable routing 8

2.2.1 General cable routing requirements 8

2.2.2 Cable installation methods 9

2.3 Equipotential bonding 10

2.3.1 General equipotential bonding requirements 10

2.3.2 Equipotential bonding method 11

3 Installing lightning arresters 12

3.1 Using a power lightning arrester 12

3.2 Using a signal lightning arrester 12

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Produktspecifikationer

Varumärke:	Tenda
Kategori:	Växla
Modell:	TEF1126P-24-250W
Bredd:	294 mm
Djup:	215 mm
Höjd:	44 mm
LED-indikatorer:	Activity, Link, PoE
Rackmontering:	Nej
Medeltid mellan fel (MTBF):	100000 h
Produktens färg:	Grå
Strömförsörjning via Ethernet (PoE) stöd:	Ja
Total Power over Ethernet (PoE)-budget:	225 W
Temperatur vid drift:	0 - 40 ° C
Temperaturintervall (förvaring):	-40 - 70 ° C
Intervall för relativ operativ luftfuktighet:	10 - 90 %
Fuktighet (förvaring):	5 - 90 %
AC-inspänning:	100 - 240 V
Växelström Frekvens:	50 - 60 hz
Kommunikationsstandarder:	IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at, IEEE 802.3u, IEEE 802.3x
Stöd för garanterad tjänstekvalitet (QoS):	Ja
Harmonized System (HS)-kod:	85176990
Adresstabellstorlek:	4000 poster
Switch kapacitet:	8.8 Gbit/s
Hastighet vid vidarebefordran:	6.55 Mpps
10G stöd:	Nej
Antal grundläggande RJ-45 Ethernet-portar:	24
Typ av grundläggande RJ-45 Ethernet-portar:	Fast Ethernet (10/100)
Antal Power over Ethernet plus (PoE +)-portar:	24
Switch typ:	Ohanterad
Lagra-och-vidarebefordra:	Ja
Antal Gigabit Ethernet (koppar)-portar:	1