Siemens IEEE802.11 Especificações descarregar pdf (Página 139)

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Siemens IK PI · 2015

Industrial Wireless Communication

IWLAN – Accessories

IWLAN cabling technology

■

Overview

A comprehensive, coordinated range of coaxial accessories is

offered for flexible combination and installation of the individual

IWLAN components indoors and outdoors.

This range encompasses connecting cables as well as diverse

connectors, lightning protection elements, a power splitter and

an attenuator.

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Benefits

• Flexible use thanks to extensive, coordinated range

• Operation also outdoors with extended temperature range

and protection against water and dust thanks to degree of

protection IP65

• Components are suitable for use with SCALANCE W700

including national approvals

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Application

RCoax/antenna connecting cables

• The flexible IWLAN RCoax/antenna connecting cables are

required for connecting RCoax segments or antennas with

active devices.

• The cables offer low attenuation so that the quality of the radio

signal is only reduced to a minimal extent.

• All antenna cables are flame-resistant, chemical-resistant and

silicone-free.

Terminating resistors

• Terminating resistors are required for wireless termination of

unused antenna connections at the access points and clients.

• RCoax segments must be terminated at the end with a termi-

nating resistor.

Lightning protection elements

• When separate antennas are used outdoors, there is a risk of

lightning strikes.

• A lightning protector can be used to prevent damage.

Cabinet feedthroughs

Together with the antenna connecting cables, the cabinet

feedthroughs enable simple connection of remote antennas to

the active components located in the control cabinet/box.

Attenuator

The 10 dB attenuator is always used when the transmitted power

has to be reduced both in the send and receive directions. Typ-

ical application areas include short RCoax segments or direc-

tional wireless links, which are to be limited in extent.

Power splitter

• With the help of the power splitter, the transmission power of

an access point is divided between two RCoax or antenna

segments.

• This enables wireless coverage in two areas using just one

access point.

Product versions

RCoax/antenna connecting cables

• Pre-assembled cable lengths (0.3 m to 10 m)

• Different connector types and combinations (N-Connect,

R-SMA, SMA, QMA)

Terminating resistors

• TI795-1R: Terminating resistor 50 ohms for R-SMA antenna

sockets

• TI795-1N: Terminating resistor 50 ohms for N-Connect

antenna sockets or RCoax segments

Lightning protection elements

• LP798-2N: Maintenance-free lightning protection element for

N-Connect connections

- Quarter-wave system (lambda-quarter) for the frequency

range 2 to 6 GHz

- Represents a short-circuit for DC voltages so that all types of

overvoltage can be reliably diverted

- Not suitable for DC infeed via the antenna cable

• LP798-1N: Lightning protection element for N-Connect

connections

- With gas discharge arrester for the frequency range 0 to

6 GHz for N-Connect connections

- Suitable for DC infeed via the antenna cable

Cabinet feedthroughs

• N-Connect female/SMA female with fastening flange for panel

thicknesses up to 5.5 mm

• N-Connect female/N-Connect female without flange for panel

thicknesses up to 4.5 mm

- Can also be used to connect two antenna connecting cables

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