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Allied Telesis AT-FS750/24POE manual Reviewing Safety Precautions

Models: AT-FS750/24POE

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Reviewing Safety Precautions

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 in a PDF document titled “Translated Safety Statements” (613-000405) on the Allied Telesis website at www.alliedtelesis.com.

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

Warning: Operating Temperature. This product is designed for a maximum ambient temperature of 40° degrees C. E7

All Countries: Install product in accordance with local and

National Electrical Codes. E8

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Allied Telesis AT-FS750/24POE manual Reviewing Safety Precautions

Contents

Fast Ethernet Smart Switch Installation GuideAT-FS750/24POE Copyright 2008 Allied Telesis, Inc U.S. Federal Communications Commission Electrical Safety and Emissions StandardsFCC Class A, EN55022 Class A, CISPR Class A, C-TICK, CE Radiated EnergyTranslated Safety Statements Contents Environmental Specifications ContentsPhysical Specifications Power SpecificationsFigures Figure 1. RJ-45 Connector and Port Pin LayoutTables IEEE 802.3af Class vs. Power Levels TablesTable 1. Safety Symbols MDI Pin Signals 10Base-T or 100Base-TXTables ˆ “Where to Find Web-based Guides” on page Prefaceˆ “Safety Symbols Used in this Document” on page ˆ “Contacting Allied Telesis” on pageMeaning Safety Symbols Used in this DocumentSymbol DescriptionWhere to Find Web-based Guides AT-FS750/24POE Fast Ethernet Smart Switch Installation GuideOnline Support Email and Telephone Support Returning Products WarrantyContacting Allied Telesis For Sales or Corporate InformationOverview ChapterFeatures Uplink Combo Ports Front and Back PanelsSystem LEDs 10/100Base Twisted Pair Ports Port LEDsUplink Combo Ports PortsTwisted Pair Ports AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide connected, the SFP port takes precedent over the twisted pair portState LEDs10/100Base-T POE Port LEDs DescriptionState 10/100Base-T Non-POE Port LEDsDescription State Uplink Combo Port LEDsDescription State DescriptionPower Supply For the power requirements, refer to “Power Specifications” on pagePower over Ethernet Class Minimum PowerMaximum Power UsageEthernet Switching Basics MAC Address Table Duplex ModeStore and Forward Back Pressure and Flow Controldata again, the switch stops forcing collisions. This is referred to as back pressure Power Workgroup Topology Network TopologiesCollapsed Backbone Chapter 1 Overview Installation ChapterReviewing Safety Precautions Circuit Overloading Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing this concern. E21 Selecting a Site for the Switch Speed CablingMaximum Type of CableUnpacking the Switch Installing the Switch on a Desktop Installing a Switch in a Rack AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide Chapter 2 Installation Installing an Optional SFP Transceiver Figure 12. Inserting the SFP Connecting the Twisted Pair Cables Cabling and Powering On the SwitchConnecting the Fiber Optic Cables Powering On the Switch Figure 16. Plugging in the AC Power Cord Starting a Management Session Troubleshooting ChapterChapter 3 Troubleshooting Environmental Specifications Technical SpecificationsPhysical Specifications Power SpecificationsConnectors and Port Pinouts Safety and Electromagnetic Emissions CertificationsSignal Signal Table 9. MDI-X Pin Signals 10Base-T or 100Base-TX1 RX+ 2 RX 3 TX+ 6 TX Appendix A Technical Specifications