Allied Telesis AT-8100S/48POE, AT-8100L/8POE-E manual 104

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Chapter 6: Troubleshooting

Verify that the network device connected to the twisted pair port is powered on and is operating properly.

Try connecting another network device to the twisted pair port with a different cable. If the twisted pair port is able to establish a link, then the problem is with the cable or the other network device.

Verify that the twisted pair cable does not exceed 100 meters (328 feet).

Verify that you are using the appropriate category of twisted pair cable. The cable types are listed in Table 7 on page 36 for the 10/ 100Base-TX ports and Table 8 on page 38 for the 10/100/ 1000Base-T ports.

Note

A 1000Base connection may require five to ten seconds to establish a link.

Problem 4: The LINK/ACT LED for an SFP transceiver is off.

Solutions: The fiber optic port on the transceiver is unable to establish a link to a network device. Try the following:

Verify that the remote network device connected to the fiber optic port is operating properly.

Verify that the fiber optic cable is securely connected to the port on the SFP module and to the port on the remote network device.

Check that the SFP module is fully inserted in the slot.

Verify that the operating specifications of the fiber optic ports on the SFP transceiver and the remote network device are compatible.

Verify that the correct type of fiber optic cabling is being used.

Verify that the port is connected to the correct fiber optic cable. This is to eliminate the possibility that the port is connected to the wrong remote network device.

Try connecting another network device to the fiber optic port using a different cable. If the port is able to establish a link, then the problem is with the cable or with the other network device.

Use the switch’s management software to verify that the port is enabled.

If the remote network device is a managed device, use its management firmware to determine whether its port is enabled.

Test the attenuation of both directions on the fiber optic cable with a fiber optic tester to determine whether the optical signal is too weak (sensitivity) or too strong (maximum input power).

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Contents Stand-alone Switch Installation Guide Page Electrical Safety and Emissions Standards Translated Safety Statements Contents Snmp 110 Contents Figures Figures Tables Tables Preface Document Conventions Contacting Allied Telesis Preface Overview Chapter8100L and 8100S Models Features10/100 Mbps Twisted Pair Ports Power over Ethernet 10/100/1000 Mbps Twisted Pair Ports SFP SlotsOverview Page Feature 8100L Series SwitchesHardware Features Front Panels of the 8100L Series Switches Front Panel Components8100S Twisted Pair Series Switches Feature 24CFront Panels of the 8100S Twisted Pair Series Switches Networking Ports and SFP Slots on the 8100S Series Switches 8100S Fiber Optic Series Switches Feature 16F8-SC 16F8-LC 24F-LCFront Panels of the 8100S Fiber Optic Series Switches AT-8100S/24-LC 100Base-FX Fiber AT-8100L/8POESwitch Back PanelsShows the back panels of the dual power supply switches Management Panels Series Management PanelModel Naming Conventions Convention DefinitionThis is the number of 100Base-FX fiber optic ports Speed Duplex Mode Wiring Configuration 10/100Base-TX Twisted Pair Ports10Mbps 100Mbps Cable Type Non PoE PoE+ DistanceRequirements 10/100/1000Base-T Twisted Pair Ports Cable Requirements Port Pinouts Cable Type 10Mbps 100Mbps 1000MbpsSFP Slots Model 10/100/1000 SFP Slot Base-T PortOverview Power Over Ethernet Maximum Power Class Output from a Switch PD Power Range Power BudgetPowered Device Classes Port Prioritization Wiring Implementation Stacking Ports Eco-friendly Button State Description LEDs10/100Base-TX Twisted Pair Port LEDs 10/100/1000Base-T Twisted Pair Port LEDs 100Base-FX Port LEDs Base-FX Port LED 100Base-FX port LED is described in TableSFP Slot LEDs SFP slot LED is described in Table Stacking Port LEDs LINK/ACTStack ID Console Port Power Supplies Power Connectors Overview Beginning the Installation Installation Procedures Reviewing Safety Precautions Beginning the Installation Page Beginning the Installation Choosing a Site for the Switch Unpacking the Switch 8100L Series SwitchesComponents of the 8100L Series Switches 8100S Series Switches Components of the 8100S Series SwitchesAT-8100S/24C Switch Components of the AT-8100S/24C SwitchBeginning the Installation Installing the Switch on a Table or in an Equipment Rack Installing the Switch on a Table or Desktop Installing the Switch in an Equipment Rack Removing the Rubber FeetInstalling the Switch on a Table or in an Equipment Rack Page Installing the Switch on a Table or in an Equipment Rack Page Installing the Switch on a Table or in an Equipment Rack Cabling the Networking Ports Cabling the Twisted Pair and Fiber Optic Ports Twisted Pair PortsFiber Optic Ports General Guidelines Installing Optional SFP Transceivers Page Positioning the SFP Handle in the Upright Position Page Cabling the Networking Ports Powering On the Switch Powering On an AC Switch Plugging in the AC Power CordMonitoring Initialization Processes Phase Seconds Initialize Management LoadSoftware LEDsSwitch Initialization Messages Initializing Monitor Powering On a DC Switch DC Terminal Block Page Powering On the Switch Setting the Stack ID Number Starting a Local Management SessionStarting a Telnet Management Session Changing the Stack ID Number Stack oldid renumber newidThis confirmation prompt in is displayed Starting a Management Session Local Management Telnet ManagementSecure Shell Management Web Browser Management Snmp 102 Troubleshooting 104 105 Troubleshooting 106 Appendix a Technical SpecificationsPhysical Specifications Environmental Specifications Power Specifications Maximum Power ConsumptionsCertifications Quality and ReliabilityPin MDI Signal MDI-X Signal RJ-45 Twisted Pair Port PinoutsFiber Optic Port Specifications Pinout PairGeneral TransmitterReceiver Pin Signal RJ-45 Style Serial Console Port PinoutsStacking Port Pinouts Pin S1 Port S2 Port115 Appendix a Technical Specifications 116

AT-8100S/48POE, AT-8100S/48, AT-8100L/8, AT-8100L/8POE-E, AT-8100L/8POE specifications

Allied Telesis is renowned for its range of high-performance networking solutions, and the AT-8100 series exemplifies their commitment to innovation in the network switch market. Designed for small to medium-sized businesses, the AT-8100L and AT-8100S series includes several versatile models: AT-8100L/8POE, AT-8100L/8POE-E, AT-8100L/8, AT-8100S/48, and AT-8100S/48POE. These products combine advanced features with user-friendly management tools, making them ideal for various applications.

One of the standout features of the AT-8100 series is its Power over Ethernet (PoE) capabilities, particularly in models like the AT-8100L/8POE and AT-8100S/48POE. These switches can deliver power to connected devices, such as IP cameras, wireless access points, and VoIP phones, over the same cabling that carries data. This simplifies installations and can reduce infrastructure costs, as there’s no need for additional power sources for each device.

The AT-8100L/8POE and AT-8100L/8POE-E are equipped with 8 Ethernet ports, with the PoE models supporting up to 15.4W per port on the standard. The AT-8100S/48 boasts an impressive 48 ports, making it suitable for high-density environments. All units in the series are designed to handle Layer 2 networking protocols, ensuring reliable and swift data transfer within local area networks.

Management features are robust and user-friendly. The switches support both web-based and command-line interface management, allowing network administrators to tailor their control methods according to preference and familiarity. The AT-8100 series includes features such as VLAN support, quality of service (QoS) settings for traffic prioritization, and link aggregation for increased bandwidth and redundancy.

Security is a critical aspect of modern networking, and Allied Telesis addresses this with features like port security and DHCP snooping. These functionalities help prevent unauthorized access and protect the network from various types of attacks.

In summary, the Allied Telesis AT-8100 series switches, including the AT-8100L/8POE, AT-8100L/8POE-E, AT-8100L/8, AT-8100S/48, and AT-8100S/48POE, provide a blend of PoE capabilities, robust management features, and solid performance. Their reliability and ease of use make them an excellent choice for businesses looking to enhance their network infrastructure. As organizations increasingly rely on connected devices, the AT-8100 series equips them with the necessary tools to build efficient and secure networks.
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