Chapter 6: Troubleshooting

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 1 on page 24 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 or 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 or SFP+ module and to the port on the remote network device.

Check that the transceiver is fully inserted in the slot.

If you are using SFP+ slots 27 or 28 on the 28-port switches or slots 51 and 52 on the 52-port switches, check that VCStack is disabled on the switch. The VCStack feature has to be disabled before you can use these slots for regular SFP or SFP+ transceivers. For instructions, refer to “Configuring the Switch for Stand-alone Operations” on page 74

Verify that the operating specifications of the fiber optic ports on the transceiver and 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.

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Allied Telesis AT-X510-52GPX, AT-X510-52GTX, AT-X510-28GTX, AT-X510-28GSX, AT-X510-28GPX manual Troubleshooting
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AT-X510-28GPX, AT-X510-28GSX, AT-X510-52GPX, AT-X510-28GTX, AT-X510-52GTX specifications

Allied Telesis has made significant strides in network infrastructure solutions with its AT-X510 series of managed Ethernet switches. The series includes models such as the AT-X510-28GTX, AT-X510-28GPX, AT-X510-52GTX, AT-X510-28GSX, and AT-X510-52GPX. These switches combine performance, flexibility, and ease of management to meet the demands of various networking environments.

One of the standout features of the AT-X510 series is its robust performance capabilities. These switches are equipped with advanced Layer 2 switching functionalities that support a range of protocols and enhance overall network efficiency. With high forwarding capacities, they ensure that data is transmitted quickly, making them ideal for bandwidth-intensive applications such as video conferencing and cloud services.

Another significant advantage of the AT-X510 series is Power over Ethernet (PoE) support, particularly in the GPX and GSX models. This feature allows the switches to deliver power to connected devices like IP cameras, Wi-Fi access points, and VoIP phones without requiring separate power supplies. This consolidates cabling, simplifies installation, and enhances flexibility in device placement.

The AT-X510 switches also incorporate advanced security functionalities like IEEE 802.1X port-based access control, which ensures that only authorized devices can connect to the network. This is particularly critical in environments where data security is a top priority. Additionally, the switches support VLANs (Virtual Local Area Networks), which help isolate network traffic, enhance performance, and provide an additional layer of security.

Management and configuration of the AT-X510 series are streamlined through an intuitive web-based interface and support for SNMP (Simple Network Management Protocol). This simplifies monitoring and troubleshooting, allowing administrators to manage the network efficiently without extensive training.

The hardware design of the AT-X510 series is also worth noting. Built with reliability in mind, these switches come with redundant power supply options, ensuring continued operation during power failures. The fanless design in some models also contributes to quieter operation, making them suitable for office environments.

Overall, the Allied Telesis AT-X510 series, including the AT-X510-28GTX, AT-X510-28GPX, AT-X510-52GTX, AT-X510-28GSX, and AT-X510-52GPX, offers a compelling combination of performance, flexibility, and security. These switches cater to the needs of modern networks, allowing businesses to build efficient, secure, and well-managed network infrastructures.
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