Allied Telesis AT-8500 Series manual Indicates that the port is operating at 10 or

Page 33

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide

Table 5. LEDs for Ports 49R and 50R on the AT-8550GB and AT-8550SP

Switches (Continued)

LED

State

Description

 

 

 

 

 

 

Mode - SPD

OFF

Indicates that the port is operating at 10 or

 

 

100 Mbps.

 

 

 

 

Green

Indicates that the port is operating at 1000

 

 

Mbps.

 

 

 

Mode - FDX

OFF

Indicates that the port is operating in half-

 

 

duplex mode.

 

 

 

 

Green

Indicates that the port is operating in full-

 

 

duplex mode.

 

 

 

Mode - ACT

OFF

Indicates that there is no activity on the port.

 

 

 

 

Flashing

Indicates that the port is transmitting and/or

 

Green

receiving data packets.

 

 

 

Table 6 describes the LEDs for the 10/100Base-TX twisted pair ports on the AT-8524POE switch.

Table 6. LEDs for the 10/100Base-TX Twisted Pair Ports on the

AT-8524POE Switch

LED

State

Description

 

 

 

 

 

 

L/A

OFF

Indicates that the port has not established a

 

 

link with its end node.

 

 

 

 

Steady

Indicates the port has established a valid

 

Green

100 Mbps link with its end node.

 

 

 

 

Flashing

Indicates the port is receiving or transmitting

 

Green

packets at 100 Mbps.

 

 

 

 

Steady

Indicates the port has established a valid 10

 

Amber

Mbps link with its end node.

 

 

 

 

Flashing

Indicates the port is receiving or transmitting

 

Amber

packets at 10 Mbps.

 

 

 

33

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Contents Installation Guide Page Electrical Safety and Emissions Standards Translated Safety Statements Contents Page Figures Figures Tables Tables Preface Symbol Meaning Description Safety Symbols Used in this DocumentWhere to Find Web-based Guides Contacting Allied Telesis Management Software UpdatesChapter OverviewModel Configuration Model ConfigurationsPort LEDs System LEDs Model DescriptionsShows 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 10/100Base-TX Twisted Pair Ports Port DescriptionsMaximum 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 Module Gbic and SFP SlotsModule 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 MAC Address Table Duplex Mode Few Basics about Ethernet SwitchingBack Pressure and Flow Control Store ForwardOverview 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 Removing the Expansion Slot Faceplate Installing an Optional Expansion or Stacking ModuleAT-A46 Installing an Optional Gbic Ferrules of the optical connector Bore Installing an Optional SFP Transceiver Page Cabling Twisted Pair Ports Cabling the SwitchCabling Fiber Optic Ports SC Port Transmitter Fiber Connector Cabling Expansion Modules Powering on an AC Powered Switch Page Positive, Ground, and Negative Terminals Wiring and Powering on an DC Powered Unit8mm ±1mm 31in. ±0.039in Installation Starting a Local Management Session Installation Warranty Registration Installation Twisted Pair Port Link LED is Off PWR LED is OffFiber Optic Port Link LED is Off Fault LED is On Continuously PoE Device is Not Receiving PowerCannot Establish a Local Management Session Physical Specifications Environmental SpecificationsAppendix a Safety and Electromagnetic Emissions Certifications Power SpecificationsSignal Pin MDI SignalPin MDI Signal MDI-X Signal RJ-45 Twisted Pair Port PinoutsUnused RX- and Vport-2 TX- and Vport-2 MDI Configuration MDI-X Configuration Pinout PairAT-8516F/SC Fiber Optic Port Specifications RS-232 Terminal Port Pinouts Pin SignalPin Definition RPS Connector Port PinoutsPin 3V RS13 3.3V RS+ Dual SC Type Connector