Allied Telesis AT-8500 Series 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 chassis or any of its components.

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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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 Management Software Updates Contacting Allied TelesisOverview ChapterModel Configurations Model ConfigurationModel Descriptions Port LEDs System LEDsShows the front and back panels of the AT-8524M switch Shows the front and back panels of the AT-8524POE switch Shows the front and back panels of the AT-8550GB switch AT-8550SP Switch Front and Back Panels Port Descriptions 10/100Base-TX Twisted Pair PortsMaximum Distance 10/100/ 1000Base-T Twisted Pair Ports 100Base-FX Fiber Optic Ports Type of Cable Power Over Ethernet Minimum Power Maximum Power Class Gbic and SFP Slots Gbic ModuleModule Expansion Slots Twisted Pair Port LEDs LED Mode Select Button LEDsState Description Mode FDX OFF Indicates that the port is operating at 10 or Fiber Optic Port LEDs Gbic and SFP Expansion Slot LEDs Maste RS-232 Terminal Port Power Options and Connectors AC Power Connector DC Power Connector Few Basics about Ethernet Switching MAC Address Table Duplex ModeStore Forward Back Pressure and Flow ControlOverview Power Workgroup Topology Network TopologiesCollapsed Backbone Topology Mixed Topology Mixed Topology Overview Installation Reviewing Safety Precautions Page Installation Selecting a Site for the Switch Planning the Installation MaximumModel Speed Cable Type Maximum Unpacking the Switch Installing the Switch in a Rack Installation Page Installing an Optional Expansion or Stacking Module Removing the Expansion Slot FaceplateAT-A46 Installing an Optional Gbic Ferrules of the optical connector Bore Installing an Optional SFP Transceiver Page Cabling the Switch Cabling Twisted Pair PortsCabling Fiber Optic Ports SC Port Transmitter Fiber Connector Cabling Expansion Modules Powering on an AC Powered Switch Page Wiring and Powering on an DC Powered Unit Positive, Ground, and Negative Terminals8mm ±1mm 31in. ±0.039in Installation Starting a Local Management Session Installation Warranty Registration Installation PWR LED is Off Twisted Pair Port Link LED is OffFiber Optic Port Link LED is Off PoE Device is Not Receiving Power Fault LED is On ContinuouslyCannot Establish a Local Management Session Physical Specifications Environmental SpecificationsAppendix a Power Specifications Safety and Electromagnetic Emissions CertificationsPin MDI Signal SignalPin MDI Signal MDI-X Signal RJ-45 Twisted Pair Port PinoutsMDI Configuration MDI-X Configuration Pinout Pair Unused RX- and Vport-2 TX- and Vport-2AT-8516F/SC Fiber Optic Port Specifications Pin Signal RS-232 Terminal Port PinoutsRPS Connector Port Pinouts Pin Definition3V RS Pin13 3.3V RS+ Dual SC Type Connector