Allied Telesis AT-8500 Series manual

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Contents
Selecting a Site for the Switch	51
Planning the Installation	52
Unpacking the Switch	54
Installing the Switch in a Rack	55
Installing an Optional Expansion or Stacking Module	58
Installing an Optional GBIC	60
Installing an Optional SFP Transceiver	62
Cabling the Switch	64
Cabling Twisted Pair Ports	64
Cabling Fiber Optic Ports	65
Cabling Expansion Modules	67
Powering on an AC Powered Switch	68
Wiring and Powering on an DC Powered Unit	70
Starting a Local Management Session	73
Warranty Registration	75
Chapter 3: Troubleshooting	77
PWR LED is Off	77
Twisted Pair Port Link LED is Off	77
Fiber Optic Port Link LED is Off	78
PoE Device is Not Receiving Power	79
Fault LED is On Continuously	79
Cannot Establish a Local Management Session	80
Appendix A: Technical Specifications	81
Physical Specifications	81
Environmental Specifications	81
Power Specifications	82
Safety and Electromagnetic Emissions Certifications	82
RJ-45 Twisted Pair Port Pinouts	83
AT-8516F/SC Fiber Optic Port Specifications	85
RS-232 Terminal Port Pinouts	86
RPS Connector Port Pinouts	87
Dual SC Type Connector	90

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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 MDI-X Signal Pin MDI SignalSignal 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