Allied Telesis AT-8500 Series manual Installation

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Chapter 2: Installation

2.Using a flat-head screwdriver, remove the snap-on plastic feet from the bottom of the switch, as shown in Figure 13.

Figure 13. Removing the Feet

3.Turn the switch over.

4.Attach a rackmounting bracket to one side of the switch using four of the screws that came with the switch. You can install the brackets in one of four ways, as shown in Figure 12.

5.Install the second rackmounting bracket on the other side of the switch using the four remaining screws.

6.Mount the switch in the 19-inch rack using standard screws (not provided).

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

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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 State Description Twisted Pair Port LEDs LED Mode Select ButtonLEDs 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 Collapsed Backbone Topology Power Workgroup TopologyNetwork Topologies Mixed Topology Mixed Topology Overview Installation Reviewing Safety Precautions Page Installation Selecting a Site for the Switch Model Speed Cable Type Planning the InstallationMaximum 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 Appendix a Physical SpecificationsEnvironmental Specifications 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