Allied Telesis AT-GS950/48 manual Reviewing Safety Precautions

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Chapter 2: Installation

Reviewing Safety Precautions

Please review the following safety precautions before you begin to install the switch.

Note

The  indicates that a translation of the safety statement is available on the Allied Telesis website.

Go to http://www.alliedtelesis.com/support/software. Select “Switches” under Product Category and this product under Product Name. You can view this document online or download it onto a local workstation or server.

Warning: Class 1 Laser product.  L1

Warning: Do not stare into the laser beam.  L2

Warning: To prevent electric shock, do not remove the cover. No user-serviceable parts inside. This unit contains hazardous voltages and should only be opened by a trained and qualified technician. To avoid the possibility of electric shock, disconnect electric power to the product before connecting or disconnecting the LAN cables.  E1

Warning: Do not work on equipment or cables during periods of lightning activity.  E2

Warning: Power cord is used as a disconnection device. To de- energize equipment, disconnect the power cord.  E3

Warning: Class I Equipment. This equipment must be earthed. The power plug must be connected to a properly wired earth ground socket outlet. An improperly wired socket outlet could place hazardous voltages on accessible metal parts.  E4

Pluggable Equipment. The socket outlet shall be installed near the equipment and shall be easily accessible.  E5

Caution: Air vents must not be blocked and must have free access to the room ambient air for cooling.  E6

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Image 30 Contents
Installation Guide Page Electrical Safety and Emissions Standards Translated Safety Statements Contents Page Figures Figures Tables Tables Preface Safety Symbols Used in this Document Symbol Meaning DescriptionWhere to Find Web-based Guides Contacting Allied Telesis Management Software Updates Preface Overview ChapterFeatures Front and Back Panels AT-GS950/48 Front and Back PanelsPorts Uplink Combo PortsEco-friendly Switch Action ResultsLEDs State DescriptionLED Power Supply Ethernet Switching Basics MAC Address Table Duplex Mode Store Forward Page Overview Installation Reviewing Safety Precautions Page Selecting a Site for the Switch Cable Specifications Speed Type of Cable Operating DistanceUnpacking the Switch Installing the Switch on a Desktop Installing the Switch on a Wall Positioning and Drilling Holes for Wall Installation Positioning the Switch onto the Wall with Mounting Screws Installing the Switch in a Rack 1748 1749 Installing an SFP Transceiver 1752 Cabling and Powering On the Switch Connecting Twisted Pair CablesConnecting Fiber Optic Cables Powering On the Switch Starting a Management Session Installation Troubleshooting Troubleshooting Environmental Specifications Technical SpecificationsPhysical Specifications Power SpecificationsSafety and Electromagnetic Emissions Certifications Network Protocol and Standards CompatibilityConnectors and Port Pinouts Pin SignalPin Pair Signal Cleaning Fiber Optic Connectors Appendix BUsing a Cartridge-Type Cleaner Rubbing the Ferrule Tip on the Cleaning SurfacePage Using a Swab Cleaning a Recessed Ferrule If desired, repeat stepPage Appendix B Cleaning Fiber Optic Connectors
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