Chapter 5: Troubleshooting

Test (TST) LED is AMBER (blinking)

The device is in test mode.

The CSX200 is running its Power-up Diagnostic Tests.

Loopback Testing is underway on a WAN circuit.

Investigating Software Configuration Problems

Software problems usually occur when your software configuration contains incomplete or incorrect information.

Connection to Device Fails During Software Configuration

For a LAN connection, verify that the IP address matches the IP address previously stored into the configuration of the router. You must have previously (through QuickSET) set the Ethernet LAN IP address and Subnet Mask, enabled IP routing, saved the Ethernet configuration changes and rebooted the router for the new IP address to take effect.

Check that your LAN cable is wired correctly and each end securely plugged in.

Make sure that an IP route exists between your local PC and the CSX200. The PC and CSX200 must be on the same IP subnetwork or the CSX200 must be reachable through a router on your LAN.

Check Network TCP/IP properties under Windows 95 or Windows NT, as described in the Read Me First! document.

User Cannot Communicate with Remote Network Station

If Bridging,

Check that the Bridging Default Destination is set.

Check that bridging to/from the remote router is set on.

Be sure to reboot if you have made any bridging destination or control changes.

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CSX200 Installation Guide

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Cabletron Systems CSX200 manual Investigating Software Configuration Problems, Test TST LED is Amber blinking

CSX200 specifications

Cabletron Systems was a leading developer of networking solutions, and its CSX400 and CSX200 series of high-performance switches represent some of the key innovations in the field of enterprise networking during their time. Both models were geared towards enhancing network reliability, efficiency, and speed, particularly in environments where heavy data traffic and complex networking demands were prevalent.

The CSX400, designed for larger enterprises, boasts a robust architecture capable of handling significant throughput. One of its standout features is its stackable design, allowing multiple switches to be interconnected and managed seamlessly as a single unit. This scalability provides organizations with the flexibility to expand their networks without significant infrastructure overhauls. The CSX400 supports various Ethernet standards, including 10/100 Ethernet and Gigabit Ethernet, positioning it to effectively manage both legacy and modern networking requirements.

In addition to its scalability, the CSX400 is distinguished by its advanced Layer 2 and Layer 3 routing capabilities. This dual-layer functionality enables efficient data handling and is instrumental in managing traffic between different network segments. Moreover, the switch incorporates features like VLAN (Virtual Local Area Network) support and Quality of Service (QoS) prioritization, allowing for enhanced performance of critical applications and streamlined bandwidth allocation.

On the other hand, the CSX200 series is tailored for smaller enterprises or branch offices needing a reliable yet efficient networking solution. Despite its compact design, the CSX200 is equipped with essential features that promote effective network management and security. It offers a simplified management interface, making it user-friendly for network administrators. The switch also provides essential access control measures, employing technologies like IEEE 802.1X for network access security.

Both the CSX400 and CSX200 prioritize performance through the incorporation of advanced switching technologies. They support features such as Spanning Tree Protocol (STP), enabling loop-free topologies and enhanced network resilience. These attributes are particularly crucial in dynamic networking environments where downtime can have significant repercussions on business operations.

Overall, Cabletron Systems' CSX400 and CSX200 series represent a blend of scalability, advanced routing capabilities, and user-friendly management, making them vital assets for organizations looking to optimize their network infrastructure during a period of rapid technological evolution. With their rich feature sets and unwavering performance, these switches helped pave the way for modern networking solutions that cater to diverse enterprise needs.