WILLTEK 4921 RF Shield Bedienungsanleitung
4921 RF Shield
User’s Guide
boosting wireless efficiency
User’s guide
Version 1.00
4921 RF Shield 1.00 i
Notice Every effort was made to ensure that the information in this document was
accurate at the time of printing. However, information is subject to change
without notice, and Willtek reserves the right to provide an addendum to this
document with information not available at the time this document was created.
Copyright © Copyright 2006 Willtek Communications GmbH. All rights reserved. Willtek and
its logo are trademarks of Willtek Communications. All other trademarks and
registered trademarks are the property of their respective owners. No part of this
guide may be reproduced or transmitted electronically or otherwise without
written permission of the publisher.
Trademarks Willtek is a trademark of Willtek Communications GmbH in Germany and other
countries.
Ordering information This guide is issued as part of the 4921 RF Shield. The ordering number for a
published guide is M 292 016. The ordering numbers for the product and the RF
Shield Package are as follows:
Table 1 Product ordering information
Ordering number Description
M 248 346 4921 RF Shield (N) (including RF cable N - N)
M 248 348 RF Shield Package
(4921 RF Shield, 4916 Antenna Coupler)
ii 4921 RF Shield 1.00
4921 RF Shield 1.00 iii
Table of Contents
About This Guide v
Purpose and scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Related information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Technical assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii
Safety Notes ix
Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .x
Handling instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .x
Chapter 1 Overview 1
About the 4921 RF Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Features and capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Chapter 2 Operation 5
Connecting the Willtek 4921 RF Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Installing the 4916 Antenna Coupler in the Willtek 4921 RF Shield . . . . . . . . . . .6
Chapter 3 Maintenance 9
The Shielding Service Kit Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Appendix A Warranty and Repair 11
Warranty information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Equipment return instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
About This Guide
Purpose and scope
vi 4921 RF Shield 1.00
Purpose and scope
The purpose of this guide is to help you successfully use the 4921 RF Shield
features and capabilities. This guide includes task-based instructions that
describe how to handle and use the 4921 RF Shield. Additionally, this guide
provides a description of Willtek’s warranty, services, and repair information,
including terms and conditions of the licensing agreement.
Assumptions
This guide is intended for novice, intermediate, and experienced users who want
to use the 4921 RF Shield effectively and efficiently. We are assuming that you
have basic computer and mouse/track ball experience and are familiar with basic
telecommunication concepts and terminology.
Related information
Use this guide in conjunction with the following information:
4916 Antenna Coupler: user’s guide, M 292 015.
Technical assistance
If you need assistance or have questions related to the use of this product, call
one of Willtek’s technical assistance centers. You can also contact Willtek by
Table 1 Technical assistance centers
Region Phone number Fax number
Europe, Middle East,
Asia, Africa
+49 (0) 89 996 41 386 +49 (0) 89 996 41 440
Americas +1 973 386 9696 +1 973 386 9191
China +86 21 5836 6669 +86 21 5835 5238
About This Guide
Conventions
4921 RF Shield 1.00 vii
Conventions
This guide uses naming conventions and symbols, as described in the following
tables.
Table 2 Typographical conventions
Description Example
User interface actions appear in this
typeface.
On the Status bar, click Start.
Buttons or switches that you press
on a unit appear in this TYPEFACE.
Press the ONswitch.
Code and output messages appear
in this typeface.
All results okay
Text you must type exactly as
shown appears in this typeface.
Type: a:\set.exe in the dialog
box.
Variables appear in this <typeface>. Type the new <hostname>.
Book references appear in this type-
face.
Refer to Newton’s Telecom Dictio-
nary
A vertical bar | means “or”: only one
option can appear in a single com-
mand.
platform [a|b|e]
Square brackets [ ] indicate an
optional argument.
login [platform name]
Slanted brackets < > group required
arguments.
<password>
Table 3 Keyboard and menu conventions
Description Example
A plus sign + indicates simultaneous
keystrokes.
Press Ctrl+s
A comma indicates consecutive key-
strokes.
Press Alt+f,s
A slanted bracket indicates choos-
ing a submenu from menu.
On the menu bar, click
Start > Program Files.
About This Guide
Conventions
viii 4921 RF Shield 1.00
Table 4 Symbol conventions
This symbol represents a general hazard.
This symbol represents a risk of electrical shock.
NOTE
This symbol represents a note indicating related information or tip.
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