Allied Telesis 8000/8POE manual Twisted Pair Ports

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Chapter 1: Overview

Ports

Twisted Pair Ports

The AT-8000/8POE Fast Ethernet Switch features eight twisted pair ports, one 10/100/1000Base-T port, and one combo SFP port.

The twisted pair ports feature 8-pin RJ-45 connectors. (For the port pinouts, refer to “Connectors and Port Pinouts” on page 55.)

The ports on the AT-8000/8POE Fast Ethernet Switch are 10Base-T and 100Base-TX compliant and are capable of 10 megabits per second (Mbps) and 100 Mbps speeds.

The ports are IEEE 802.3u Auto-Negotiation compliant. With Auto- Negotiation, the switch automatically matches the highest possible common speed between each switch port and each end node. For example, if an end node is capable of only 10 Mbps, the switch sets the port connected to the end node to 10 Mbps.

Each twisted pair port on the switches can operate in either half- or full- duplex mode. The twisted pair ports are IEEE 802.3u-compliant and Auto- Negotiate the duplex mode setting.

Note

In order for the switch to set the duplex mode for each port correctly, the end nodes that you connect to the switch ports should also use Auto-Negotiation. Otherwise, a duplex mode mismatch can occur, affecting network performance. For further information, refer to “Duplex Mode” on page 27.

Each twisted pair port has a maximum operating distance of 100 m (328 feet).

For 10 Mbps operation, Category 3 or better 100 ohm shielded or unshielded twisted pair cabling is required. For 100 or 1000 Mbps operation, Category 5 and Enhanced Category 5 (5E) 100 ohm shielded or unshielded twisted pair cabling is required.

The twisted pair ports are auto-MDI/MDIX. They automatically configure themselves as either MDI or MDI-X. This feature allows you to use either straight-through or crossover twisted pair cables to connect devices to the ports.

The ports can operate as either standard 10/100Base-T ports or as PoE ports.

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Contents Installation Guide Page This product meets the following 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 ChapterFeatures Front and Back Panels AT-8000/8POEPorts Twisted Pair Ports10/100/1000 RJ-45 Uplink Port SFP Port RS-232 Console PortPower 2 4 6 LEDsLED Power Supply Power over Ethernet Minimum Power Maximum Power Class AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Guide Ethernet Switching Basics MAC Address TableDuplex Mode Store Forward Back Pressure and Flow Control Power Workgroup Topology Network TopologiesCollapsed Backbone Installation Reviewing Safety Precautions AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Guide Selecting a Site for the Switch Cabling Speed Type of Cable Operating DistanceUnpacking the Switch Installing the Switch on a Desktop Installing the Switch in a Rack 832 Installation Installing an Optional SFP Transceiver 825 Cabling and Powering On the Switch Connecting Twisted Pair CablesConnecting Fiber Optic Cables 240 Starting a Management Session Establishing a Local Connection To use the Menus InterfaceLogin Menu is shown in Figure AT-S81 Login Dialog Box AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Guide Warranty Registration Troubleshooting Troubleshooting Environmental Specifications Technical SpecificationsPhysical Specifications Power SpecificationsSafety and Electromagnetic Emissions Certifications EMI/RFIConnectors and Port Pinouts Pin SignalPin Pair Signal