Chapter Troubleshooting, Cabling Problems

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Chapter 3 Troubleshooting

Network troubleshooting requires patience and logic. Generally speaking, the cabling and workstation configurations are the likely first suspects; network hardware is usually last on the list. The nature of the hub design dictates that it is more likely for an entire hub to fail instead of just a single port.

Cabling Problems

Improper Cabling is the primary cause of most non-workstation problems on Ethernet network, particularly for 100 Base-FX networks. It must be emphasized that genuine twisted-pair cable and fiber optic cable be used to avoid many types of cabling problems

•Wiring is definitely the problem if the Link LED does not light when the fiber plug from a workstation is inserted into the port jack. Either correct the break in the wire or replace the wire before proceeding

•Multi or single-mode fiber cable should match the switch's fiber transceiver.

•If a workstation (workstation A) does not work and other 100Base-X ports on the hub are functioning, remove a fiber plug from a functioning port with a functioning workstation (workstation B) and insert it into the suspect port. If workstation B still works, the problem is in workstation A or in the wiring. However, if workstation B does not work, then the hub may have a defective port. Even if you suspect a defective port on the hub, continue testing. Improperly wired workstations may appear to be functional, especially if they are located near the hub. Sometimes, a port connected to an improperly wired workstation can function marginally while another port may not work at all

•Once you have established that the hub is working properly, check all wiring between the hub and the malfunctioning workstation. Ensure that the transmit and receive wires have not been crossed; the two transmit wires should be paired together as should the two receive wires

•Use a continuity checker to ensure that wires do not have breaks. By shorting together the two wires of a pair at one end, you can use the continuity checker at the other end. Also, check that there are no shorts between wires

FSW-0800FXT, FSW-1600FXC, FSW-1600FXT, FSW-0800FXC specifications

The LevelOne FSW-0800FXC, FSW-1600FXT, FSW-1600FXC, and FSW-0800FXT are advanced industrial-grade Ethernet switches designed to meet the demanding needs of modern network infrastructures. Each model in the series emphasizes reliability, flexibility, and high performance, making them ideal for various applications in industrial automation, security surveillance, and networked communications.

The FSW-0800FXC is a compact 8-port switch featuring Fast Ethernet capabilities, which ensures seamless connectivity for devices in industrial environments. It supports both fiber and copper connections, offering a versatile networking solution that enables long-distance data transmission while minimizing electromagnetic interference. This model is particularly effective in environments where secure and robust communication is critical.

On the other hand, the FSW-1600FXT and FSW-1600FXC are 16-port switches that deliver even more connectivity options. They are optimized for larger networks, supporting higher bandwidth requirements while maintaining low latency. These switches can be configured for fiber-to-fiber or copper-to-fiber connections, making them adaptable to various cabling infrastructures. The FSW-1600FXT is specifically designed for applications that necessitate redundancy and high availability.

The FSW-0800FXT complements the series by providing another 8-port version that focuses on enhanced performance and redundancy features. With support for Power over Ethernet (PoE), it simplifies the networking of devices requiring external power, such as IP cameras and access points. This feature eliminates the need for additional power supplies, streamlining installations and reducing costs.

All models prioritize robust build quality suited for harsh environments, ensuring they can withstand extreme temperatures, vibrations, and dust. Additionally, these switches feature advanced network management options, facilitating remote monitoring and control. Their support for VLANs, QoS, and IGMP snooping optimizes network traffic and enhances overall efficiency.

With a combination of reliability, scalability, and ease of use, the LevelOne FSW series is an excellent choice for businesses looking to upgrade their network infrastructure. These switches are not only cost-effective but also future-proof, accommodating the growing demands of industrial connectivity and allowing for seamless integration with existing systems. As organizations continue to evolve and expand, the LevelOne FSW series stands out as a trusted solution for maintaining high-performance networks.