Cisco SD2008T-NA User manual

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Cisco Wireless LAN Controller
Configuration Guide
Software Release 4.0
January 2007
Text Part Number: OL-9141-03

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Cisco Wireless LAN Controller Configuration Guide
Copyright © 2007 Cisco Systems, Inc.
All rights reserved.

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CONTENTS
Preface 17
Audience 18
Purpose 18
Organization 18
Conventions 19
Related Publications 21
Obtaining Documentation 22
Cisco.com 22
Product Documentation DVD 22
Ordering Documentation 22
Documentation Feedback 22
Cisco Product Security Overview 23
Reporting Security Problems in Cisco Products 23
Obtaining Technical Assistance 24
Cisco Technical Support & Documentation Website 25
Submitting a Service Request 25
Definitions of Service Request Severity 26
Obtaining Additional Publications and Information 26
CHAPTER 1Overview 1
Cisco Unified Wireless Network Solution Overview 2
Single-Controller Deployments 3
Multiple-Controller Deployments 4
Operating System Software 5
Operating System Security 6
Cisco WLAN Solution Wired Security 6
Layer 2 and Layer 3 LWAPP Operation 7
Operational Requirements 7
Configuration Requirements 7
Cisco Wireless LAN Controllers 7
Primary, Secondary, and Tertiary Controllers 8
Client Location 8
Controller Platforms 9

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Cisco 2000 and 2100 Series Controllers 9
Features Not Supported 9
Cisco 4400 Series Controllers 10
Catalyst 6500 Series Wireless Services Module 10
Cisco 28/37/38xx Series Integrated Services Router 11
Catalyst 3750G Integrated Wireless LAN Controller Switch 11
Cisco UWN Solution Wired Connections 11
Cisco UWN Solution WLANs 12
Identity Networking 12
Enhanced Integration with Cisco Secure ACS 13
File Transfers 14
Power over Ethernet 14
Pico Cell Functionality 14
Startup Wizard 15
Cisco Wireless LAN Controller Memory 16
Cisco Wireless LAN Controller Failover Protection 16
Network Connections to Cisco Wireless LAN Controllers 17
Cisco 2000 and 2100 Series Wireless LAN Controllers 17
Cisco 4400 Series Wireless LAN Controllers 18
Rogue Access Points 19
Rogue Access Point Location, Tagging, and Containment 19
CHAPTER 2Using the Web-Browser and CLI Interfaces 1
Using the Web-Browser Interface 2
Guidelines for Using the GUI 2
Opening the GUI 2
Enabling Web and Secure Web Modes 3
Configuring the GUI for HTTPS 3
Loading an Externally Generated HTTPS Certificate 4
Disabling the GUI 5
Using Online Help 5
Using the CLI 5
Logging into the CLI 7
Using a Local Serial Connection 7
Using a Remote Ethernet Connection 7
Logging Out of the CLI 8
Navigating the CLI 8

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Enabling Wireless Connections to the Web-Browser and
CLI Interfaces 9
CHAPTER 3Configuring Ports and Interfaces 1
Overview of Ports and Interfaces 2
Ports 2
Distribution System Ports 3
Service Port 5
Interfaces 5
Management Interface 6
AP-Manager Interface 6
Virtual Interface 7
Service-Port Interface 8
Dynamic Interface 8
WLANs 8
Configuring the Management, AP-Manager, Virtual, and Service-Port Interfaces 10
Using the GUI to Configure the Management, AP-Manager, Virtual, and Service-Port Interfaces 10
Using the CLI to Configure the Management, AP-Manager, Virtual, and Service-Port Interfaces 12
Using the CLI to Configure the Management Interface 12
Using the CLI to Configure the AP-Manager Interface 13
Using the CLI to Configure the Virtual Interface 14
Using the CLI to Configure the Service-Port Interface 15
Configuring Dynamic Interfaces 15
Using the GUI to Configure Dynamic Interfaces 15
Using the CLI to Configure Dynamic Interfaces 17
Configuring Ports 19
Configuring Port Mirroring 22
Configuring Spanning Tree Protocol 23
Using the GUI to Configure Spanning Tree Protocol 24
Using the CLI to Configure Spanning Tree Protocol 28
Enabling Link Aggregation 29
Link Aggregation Guidelines 33
Using the GUI to Enable Link Aggregation 34
Using the CLI to Enable Link Aggregation 35
Verifying LAG Settings Using the CLI 35
Configuring Neighbor Devices to Support LAG 35
Configuring a 4400 Series Controller to Support More Than 48 Access Points 36
Using Link Aggregation 36
Using Multiple AP-Manager Interfaces 36

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Connecting Additional Ports 41
CHAPTER 4Configuring Controller SettingsWireless Device Access 1
Using the Configuration Wizard 2
Before You Start 2
Resetting the Device to Default Settings 3
Resetting to Default Settings Using the CLI 3
Resetting to Default Settings Using the GUI 3
Running the Configuration Wizard on the CLI 4
Managing the System Time and Date 5
Configuring the Time and Date Manually 5
Configuring an NTP Server 5
Configuring a Country Code 6
Enabling and Disabling 802.11 Bands 7
Configuring Administrator Usernames and Passwords 7
Configuring RADIUS Settings 8
Configuring SNMP 8
Changing the Default Values of SNMP Community Strings 9
Using the GUI to Change the SNMP Community String Default Values 9
Using the CLI to Change the SNMP Community String Default Values 11
Changing the Default Values for SNMP v3 Users 11
Using the GUI to Change the SNMP v3 User Default Values 12
Using the CLI to Change the SNMP v3 User Default Values 13
Enabling 802.3x Flow Control 13
Enabling System Logging 13
Using the GUI to Enable System Logging 13
Using the CLI to Enable System Logging 15
Enabling Dynamic Transmit Power Control 16
Configuring Multicast Mode 16
Understanding Multicast Mode 16
Guidelines for Using Multicast Mode 16
Enabling Multicast Mode 17
Configuring Client Roaming 17
Intra-Controller Roaming 18
Inter-Controller Roaming 18
Inter-Subnet Roaming 18
Voice-over-IP Telephone Roaming 18
CCX Layer 2 Client Roaming 19

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Using the GUI to Configure CCX Client Roaming Parameters 20
Using the CLI to Configure CCX Client Roaming Parameters 21
Configuring Voice and Video Parameters 22
Call Admission Control 22
U-APSD 23
Traffic Stream Metrics 23
Using the GUI to Configure Voice Parameters 23
Using the GUI to Configure Video Parameters 25
Using the GUI to View Voice and Video Settings 26
Using the CLI to Configure Voice Parameters 30
Using the CLI to Configure Video Parameters 31
Using the CLI to View Voice and Video Settings 32
Configuring the Supervisor 720 to Support the WiSM 34
General WiSM Guidelines 34
Configuring the Supervisor 35
Using the Wireless LAN Controller Network Module 35
CHAPTER 5Configuring Security Solutions 1
Cisco UWN Solution Security 2
Security Overview 2
Layer 1 Solutions 2
Layer 2 Solutions 2
Layer 3 Solutions 3
Rogue Access Point Solutions 3
Rogue Access Point Challenges 3
Tagging and Containing Rogue Access Points 3
Integrated Security Solutions 4
Configuring the System for SpectraLink NetLink Telephones 4
Using the GUI to Enable Long Preambles 4
Using the CLI to Enable Long Preambles 5
Using the CLI to Configure Enhanced Distributed Channel Access 6
Using Management over Wireless 6
Using the GUI to Enable Management over Wireless 6
Using the CLI to Enable Management over Wireless 7
Configuring DHCP Option 82 7
Configuring Access Control Lists 8
Using the GUI to Configure Access Control Lists 9
Using the CLI to Configure Access Control Lists 12
Configuring Management Frame Protection 13

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Using the GUI to Configure MFP 14
Using the GUI to View MFP Settings 15
Using the CLI to Configure MFP 17
Using the CLI to View MFP Settings 18
Configuring Identity Networking 20
Identity Networking Overview 21
RADIUS Attributes Used in Identity Networking 22
QoS-Level 22
ACL-Name 22
Interface-Name 23
VLAN-Tag 23
Tunnel Attributes 24
Configuring AAA Override 25
Using the GUI to Configure AAA Override 25
Using the CLI to Configure AAA Override 26
Configuring IDS 26
Configuring IDS Sensors 26
Using the GUI to Configure IDS Sensors 26
Using the CLI to Configure IDS Sensors 28
Viewing Shunned Clients 29
Configuring IDS Signatures 30
Using the GUI to Configure IDS Signatures 31
Using the CLI to Configure IDS Signatures 37
Using the CLI to View IDS Signature Events 38
Configuring AES Key Wrap 39
Using the GUI to Configure AES Key Wrap 39
Using the CLI to Configure AES Key Wrap 40
Configuring Maximum Local Database Entries 41
Using the GUI to Specify the Maximum Number of Local Database Entries 41
Using the CLI to Specify the Maximum Number of Local Database Entries 41
CHAPTER 6Configuring WLANsWireless Device Access 1
WLAN Overview 2
Configuring WLANs 2
Displaying, Creating, Disabling, and Deleting WLANs 2
Activating WLANs 3
Configuring DHCP 3
Internal DHCP Server 3
External DHCP Servers 4

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Using the GUI to Configure DHCP 5
Using the CLI to Configure DHCP 5
Configuring MAC Filtering for WLANs 6
Enabling MAC Filtering 6
Creating a Local MAC Filter 6
Configuring a Timeout for Disabled Clients 6
Assigning WLANs to VLANs 6
Configuring Layer 2 Security 7
Static WEP Keys 7
Dynamic 802.1X Keys and Authorization 7
Configuring a WLAN for Both Static and Dynamic WEP 8
WPA1 and WPA2 8
CKIP 12
Configuring Layer 3 Security 14
VPN Passthrough 15
Web-Based Authentication 16
Local Netuser 16
Configuring 802.3 Bridging 17
Configuring Quality of Service 17
Configuring QoS Enhanced BSS (QBSS) 18
Configuring Quality of Service Profiles 19
Configuring Cisco Client Extensions 22
Using the GUI to Configure CCX Aironet IEs 22
Using the GUI to View a Client’s CCX Version 24
Using the CLI to Configure CCX Aironet IEs 24
Using the CLI to View a Client’s CCX Version 25
Enabling WLAN Override 25
Using the GUI to Enable WLAN Override 25
Using the CLI to Enable WLAN Override 25
Configuring Access Point Groups 26
Creating Access Point Groups 27
Assigning Access Points to Access Point Groups 29
Configuring Multiple WLANs with the Same SSID 30
Additions to the Controller GUI 30
Addition to the Controller CLI 31
Configuring Conditional Web Redirect with 802.1X Authentication 32
Configuring the RADIUS Server 32
Using the GUI to Configure Conditional Web Redirect 34
Using the CLI to Configure Conditional Web Redirect 34
Disabling Accounting Servers per WLAN 35

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CHAPTER 7Controlling Lightweight Access Points 1
The Controller Discovery Process 2
Verifying that Access Points Join the Controller 3
Verifying that Access Points Join the Controller Using the GUI 3
Verifying that Access Points Join the Controller Using the CLI 3
Cisco 1000 Series Lightweight Access Points 4
Cisco 1030 Remote Edge Lightweight Access Points 5
Cisco 1000 Series Lightweight Access Point Models 6
Cisco 1000 Series Lightweight Access Point External and Internal Antennas 6
External Antenna Connectors 6
Antenna Sectorization 7
Cisco 1000 Series Lightweight Access Point LEDs 7
Cisco 1000 Series Lightweight Access Point Connectors 7
Cisco 1000 Series Lightweight Access Point Power Requirements 8
Cisco 1000 Series Lightweight Access Point External Power Supply 8
Cisco 1000 Series Lightweight Access Point Mounting Options 8
Cisco 1000 Series Lightweight Access Point Physical Security 9
Cisco 1000 Series Lightweight Access Point Monitor Mode 9
Cisco Aironet 1510 Series Lightweight Outdoor Mesh Access Points 9
Wireless Mesh 10
Configuring and Deploying the AP1510 11
Adding the MAC Address of the Access Point to the Controller Filter List 12
Configuring Mesh Parameters 14
Configuring the Mesh Security Timer 16
Configuring Bridging Parameters 16
Autonomous Access Points Converted to Lightweight Mode 19
Guidelines for Using Access Points Converted to Lightweight Mode 20
Reverting from Lightweight Mode to Autonomous Mode 20
Using a Controller to Return to a Previous Release 20
Using the MODE Button and a TFTP Server to Return to a Previous Release 21
Access Point Authorization 21
Controllers Accept SSCs from Access Points Converted to Lightweight Mode 21
Using DHCP Option 43 22
Using a Controller to Send Debug Commands to Access Points Converted to Lightweight Mode 22
Converted Access Points Send Crash Information to Controller 22
Converted Access Points Send Radio Core Dumps to Controller 23
Enabling Memory Core Dumps from Converted Access Points 23
Display of MAC Addresses for Converted Access Points 23
Disabling the Reset Button on Access Points Converted to Lightweight Mode 24

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Configuring a Static IP Address on an Access Point Converted to Lightweight Mode 24
Dynamic Frequency Selection 24
Retrieving the Unique Device Identifier on Controllers and Access Points 25
Using the GUI to Retrieve the Unique Device Identifier on Controllers and Access Points 26
Using the CLI to Retrieve the Unique Device Identifier on Controllers and Access Points 27
Performing a Link Test 27
Using the GUI to Perform a Link Test 29
Using the CLI to Perform a Link Test 30
Configuring Cisco Discovery Protocol 31
Configuring Power over Ethernet 33
Using the GUI to Configure Power over Ethernet 33
Using the CLI to Configure Power over Ethernet 35
Configuring Flashing LEDs 36
Authorizing Access Points Using MICs 36
CHAPTER 8Managing Controller Software and Configurations 1
Transferring Files to and from a Controller 2
Upgrading Controller Software 2
Updating Controller Software 3
Saving Configurations 4
Clearing the Controller Configuration 5
Erasing the Controller Configuration 5
Resetting the Controller 5
CHAPTER 9Managing User Accounts 1
Creating Guest User Accounts 2
Creating a Lobby Ambassador Account 2
Using the GUI to Create a Lobby Ambassador Account 2
Using the CLI to Create a Lobby Ambassador Account 4
Creating Guest User Accounts as a Lobby Ambassador 4
Viewing Guest User Accounts 6
Using the GUI to View Guest Accounts 6
Using the CLI to View Guest Accounts 7
Web Authentication Process 7
Choosing the Web Authentication Login Window 9
Choosing the Default Web Authentication Login Window 9
Using the GUI to Choose the Default Web Authentication Login Window 9
Using the CLI to Choose the Default Web Authentication Login Window 10

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Modified Default Web Authentication Login Window Example 12
Using a Customized Web Authentication Login Window from an External Web Server 13
Using the GUI to Choose a Customized Web Authentication Login Window from an External Web
Server 13
Using the CLI to Choose a Customized Web Authentication Login Window from an External Web
Server 14
Downloading a Customized Web Authentication Login Window 14
Using the GUI to Download a Customized Web Authentication Login Window 15
Using the CLI to Download a Customized Web Authentication Login Window 16
Customized Web Authentication Login Window Example 17
Using the CLI to Verify the Web Authentication Login Window Settings 17
CHAPTER 10 Configuring Radio Resource ManagementWireless Device Access 1
Overview of Radio Resource Management 2
Radio Resource Monitoring 2
Dynamic Channel Assignment 3
Dynamic Transmit Power Control 4
Coverage Hole Detection and Correction 4
Client and Network Load Balancing 4
RRM Benefits 5
Overview of RF Groups 5
RF Group Leader 5
RF Group Name 6
Configuring an RF Group 6
Using the GUI to Configure an RF Group 7
Using the CLI to Configure RF Groups 8
Viewing RF Group Status 8
Using the GUI to View RF Group Status 8
Using the CLI to View RF Group Status 11
Enabling Rogue Access Point Detection 12
Using the GUI to Enable Rogue Access Point Detection 12
Using the CLI to Enable Rogue Access Point Detection 14
Configuring Dynamic RRM 15
Using the GUI to Configure Dynamic RRM 15
Using the CLI to Configure Dynamic RRM 22
Overriding Dynamic RRM 23
Statically Assigning Channel and Transmit Power Settings to Access Point Radios 24
Using the GUI to Statically Assign Channel and Transmit Power Settings 24
Using the CLI to Statically Assign Channel and Transmit Power Settings 26

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Disabling Dynamic Channel and Power Assignment Globally for a Controller 27
Using the GUI to Disable Dynamic Channel and Power Assignment 27
Using the CLI to Disable Dynamic Channel and Power Assignment 27
Viewing Additional RRM Settings Using the CLI 28
Configuring CCX Radio Management Features 29
Broadcast Location Measurement Requests 29
Location Calibration 29
Using the GUI to Configure CCX Radio Management 30
Using the CLI to Configure CCX Radio Management 31
Using the CLI to Obtain CCX Radio Management Information 32
CHAPTER 11 Configuring Mobility GroupsWireless Device Access 1
Overview of Mobility 2
Overview of Mobility Groups 5
Determining When to Include Controllers in a Mobility Group 7
Configuring Mobility Groups 7
Prerequisites 7
Using the GUI to Configure Mobility Groups 8
Using the CLI to Configure Mobility Groups 11
Configuring Auto-Anchor Mobility 11
Guidelines for Using Auto-Anchor Mobility 12
Using the GUI to Configure Auto-Anchor Mobility 13
Using the CLI to Configure Auto-Anchor Mobility 14
Running Mobility Ping Tests 15
CHAPTER 12 Configuring Hybrid REAPWireless Device Access 1
Overview of Hybrid REAP 2
Hybrid-REAP Authentication Process 2
Hybrid REAP Guidelines 4
Configuring Hybrid REAP 5
Configuring the Switch at the Remote Site 5
Configuring the Controller for Hybrid REAP 6
Using the GUI to Configure the Controller for Hybrid REAP 6
Using the CLI to Configure the Controller for Hybrid REAP 12
Configuring an Access Point for Hybrid REAP 12
Using the GUI to Configure an Access Point for Hybrid REAP 12
Using the CLI to Configure an Access Point for Hybrid REAP 15
Connecting Client Devices to the WLANs 16

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APPENDIX ASafety Considerations and
Translated Safety Warnings 1
Safety Considerations 2
Warning Definition 2
Class 1 Laser Product Warning 5
Ground Conductor Warning 7
Chassis Warning for Rack-Mounting and Servicing 9
Battery Handling Warning for 4400 Series Controllers 18
Equipment Installation Warning 20
More Than One Power Supply Warning for 4400 Series Controllers 23
APPENDIX BDeclarations of Conformity and Regulatory Information 1
Regulatory Information for 1000 Series Access Points 2
Manufacturers Federal Communication Commission Declaration of Conformity Statement 2
Department of Communications—Canada 3
Canadian Compliance Statement 3
European Community, Switzerland, Norway, Iceland, and Liechtenstein 4
Declaration of Conformity with Regard to the R&TTE Directive 1999/5/EC 4
Declaration of Conformity for RF Exposure 5
Guidelines for Operating Cisco Aironet Access Points in Japan 6
Administrative Rules for Cisco Aironet Access Points in Taiwan 7
Access Points with IEEE 802.11a Radios 7
All Access Points 7
Declaration of Conformity Statements 8
FCC Statement for Cisco 2000 Series Wireless LAN Controllers 8
FCC Statement for Cisco 4400 Series Wireless LAN Controllers 9
APPENDIX CEnd User License and Warranty 1
End User License Agreement 2
Limited Warranty 4
Disclaimer of Warranty 6
General Terms Applicable to the Limited Warranty Statement and End User License Agreement 6
Additional Open Source Terms 7
APPENDIX DSystem Messages and LED Patterns 1
System Messages 2
Interpreting LEDs 5

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Interpreting Controller LEDs 5
Interpreting Lightweight Access Point LEDs 5
APPENDIX ELogical Connectivity Diagrams 1
Cisco WiSM 3
Cisco 28/37/38xx Integrated Services Router 5
Catalyst 3750G Integrated Wireless LAN Controller Switch 6
I NDEX

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Preface
This preface provides an overview of the Cisco Wireless LAN Controller Configuration Guide, Release
4.0, references related publications, and explains how to obtain other documentation and technical
assistance, if necessary. It contains these sections:
•Audience, page 18
•Purpose, page 18
•Organization, page 18
•Conventions, page 19
•Related Publications, page 21
•Obtaining Documentation and Submitting a Service Request, page 22

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Preface
Audience
Audience
This guide describes Cisco Wireless LAN Controllers and Cisco Lightweight Access Points. This guide
is for the networking professional who installs and manages these devices. To use this guide, you should
be familiar with the concepts and terminology of wireless LANs.
Purpose
This guide provides the information you need to set up and configure wireless LAN controllers.
Note This version of the Cisco Wireless LAN Controller Configuration Guide pertains specifically to
controller software release 4.0. If you are using an earlier version of software, you will notice differences
in features, functionality, and GUI pages.
Organization
This guide is organized into these chapters:
Chapter 1, “Overview,” provides an overview of the network roles and features of wireless LAN
controllers.
Chapter 2, “Using the Web-Browser and CLI Interfaces,” describes how to use the controller GUI and
CLI.
Chapter 3, “Configuring Ports and Interfaces,” describes the controller’s physical ports and interfaces
and provides instructions for configuring them.
Chapter 4, “Configuring Controller SettingsWireless Device Access,” describes how to configure
settings on the controllers.
Chapter 5, “Configuring Security Solutions,” describes application-specific solutions for wireless
LANs.
Chapter 6, “Configuring WLANsWireless Device Access,” describes how to configure wireless LANs
and SSIDs on your system.
Chapter 7, “Controlling Lightweight Access Points,” explains how to connect access points to the
controller and manage access point settings.
Chapter 8, “Managing Controller Software and Configurations,” describes how to upgrade and manage
controller software and configurations.
Chapter 9, “Managing User Accounts,” explains how to create and manage guest user accounts,
describes the web authentication process, and provides instructions for customizing the web
authentication login window.
Chapter 10, “Configuring Radio Resource ManagementWireless Device Access,” describes radio
resource management (RRM) and explains how to configure it on the controllers.
Chapter 11, “Configuring Mobility GroupsWireless Device Access,” describes mobility groups and
explains how to configure them on the controllers.
Chapter 12, “Configuring Hybrid REAPWireless Device Access,” describes hybrid REAP and explains
how to configure this feature on controllers and access points.

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Preface
Conventions
Appendix A, “Safety Considerations and Translated Safety Warnings,” lists safety considerations and
translations of the safety warnings that apply to the Cisco Unified Wireless Network Solution products.
Appendix B, “Declarations of Conformity and Regulatory Information,” provides declarations of
conformity and regulatory information for the products in the Cisco Unified Wireless Network Solution.
Appendix C, “End User License and Warranty,” describes the end user license and warranty that apply
to the Cisco Unified Wireless Network Solution products.
Appendix D, “System Messages and LED Patterns,” lists system messages that can appear on the Cisco
Unified Wireless Network Solution interfaces and describes the LED patterns on controllers and
lightweight access points.
Appendix E, “Logical Connectivity Diagrams,”provides logical connectivity diagrams and related
software commands for controllers that are integrated into other Cisco products.
Conventions
This publication uses these conventions to convey instructions and information:
Command descriptions use these conventions:
•Commands and keywords are in boldface text.
•Arguments for which you supply values are in italic.
•Square brackets ([ ]) mean optional elements.
•Braces ({ }) group required choices, and vertical bars ( | ) separate the alternative elements.
•Braces and vertical bars within square brackets ([{ | }]) mean a required choice within an optional
element.
Interactive examples use these conventions:
•Terminal sessions and system displays are in screen font.
•Information you enter is in boldface screen font.
•Nonprinting characters, such as passwords or tabs, are in angle brackets (< >).
Notes, cautions, and timesavers use these conventions and symbols:
Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in
this manual.
Caution Means reader be careful. In this situation, you might do something that could result equipment damage
or loss of data.

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Preface
Conventions
Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. (To see translations of the warnings that appear
in this publication, refer to the appendix “Translated Safety Warnings.”)
Waarschuwing
Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan
veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij
elektrische schakelingen betrokken risico’s en dient u op de hoogte te zijn van standaard
maatregelen om ongelukken te voorkomen. (Voor vertalingen van de waarschuwingen die in deze
publicatie verschijnen, kunt u het aanhangsel “Translated Safety Warnings” (Vertalingen van
veiligheidsvoorschriften) raadplegen.)
Varoitus
Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen
kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja
tavanomaisista onnettomuuksien ehkäisykeinoista. (Tässä julkaisussa esiintyvien varoitusten
käännökset löydät liitteestä "Translated Safety Warnings" (käännetyt turvallisuutta koskevat
varoitukset).)
Attention
Ce symbole d’avertissement indique un danger. Vous vous trouvez dans une situation pouvant
entraîner des blessures. Avant d’accéder à cet équipement, soyez conscient des dangers posés par
les circuits électriques et familiarisez-vous avec les procédures courantes de prévention des
accidents. Pour obtenir les traductions des mises en garde figurant dans cette publication, veuillez
consulter l’annexe intitulée « Translated Safety Warnings » (Traduction des avis de sécurité).
Warnung
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer
Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie
sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur
Vermeidung von Unfällen bewußt. (Übersetzungen der in dieser Veröffentlichung enthaltenen
Warnhinweise finden Sie im Anhang mit dem Titel “Translated Safety Warnings” (Übersetzung der
Warnhinweise).)
Avvertenza
Questo simbolo di avvertenza indica un pericolo. Si è in una situazione che può causare infortuni.
Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti
elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione
delle avvertenze riportate in questa pubblicazione si trova nell’appendice, “Translated Safety
Warnings” (Traduzione delle avvertenze di sicurezza).
Advarsel
Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du
utfører arbeid på utstyr, må du være oppmerksom på de faremomentene som elektriske kretser
innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker. (Hvis du vil se
oversettelser av de advarslene som finnes i denne publikasjonen, kan du se i vedlegget "Translated
Safety Warnings" [Oversatte sikkerhetsadvarsler].)
Aviso
Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos
fisicos. Antes de começar a trabalhar com qualquer equipamento, familiarize-se com os perigos
relacionados com circuitos eléctricos, e com quaisquer práticas comuns que possam prevenir
possíveis acidentes. (Para ver as traduções dos avisos que constam desta publicação, consulte o
apêndice “Translated Safety Warnings” - “Traduções dos Avisos de Segurança”).