3Com NETBuilder II manual Before Contacting Your Network Supplier, Returning Products for Repair

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Technical Support

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Additional Technical Support Services

contact your nearest 3Com sales office. To find the 3Com sales office nearest you, call 1-800-NET3Com (638-3266).

Before Contacting Your Network Supplier

Before you talk to your network supplier, make sure that you have detailed information about the problem, including:

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A complete description that includes:

–The sequence of events or actions that led to the problem

–The nature, symptoms, and duration of the problem

–The system components involved

–Whether or not you can reproduce the problem

A list of all the 3Com products you have, including:

–Hardware models and serial numbers

–Software part numbers and revision levels

A list of all other products involved in the problem, including:

–Hardware products (types and model numbers) such as personal computers, monitors, fixed disks, and modems

–Software products, including operating systems and applications

A list of all recent system configuration changes, including:

–Hardware

–Operating system and application software

–Network and system administration procedures

Your network supplier will determine what action needs to be taken to resolve the problem.

Returning Products for Repair

If you need to have a product repaired, local 3Com authorized service partners are good sources for quality repairs and spare parts. However, a situation may arise in which you need to return a product directly to 3Com for service. Before doing this, you must obtain a Return Materials Authorization (RMA) number.

Obtaining an RMA Number. To obtain an RMA number, contact 3Com Customer Repair Services at 800-876-3Com. If you have a touch-tone phone, select hardware repair, option #2. If you do not have a touch-tone phone, remain on the line for assistance. You also can fax your repair request to 3Com at 408-764-7120. In order to obtain an RMA number, you must provide the following information:

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Name and phone number of technical contact at your company Company name

Company shipping address Product name

Model and serial numbers of the main unit

Failed subassembly name and serial number, if applicable

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Contents Member of the NETBuilder family NETBuilder II Hssi Module Installation Guide3Com Corporation Bayfront Plaza Santa Clara California If you are looking for Turn to How to Use This GuideBefore You Begin ConventionsSpecial Messages Inspect the Hssi module for shipping damage Chapter InstallationBefore Installing the Hssi Module Observe appropriate ESD precautionsVerify that you have received all the contents Select an I/O slot in which to install the Hssi module Installing the Hssi ModuleHand tighten the captive screws. Do not use a screwdriver Lock the board in the slotCabling the Hssi Module for Network Connection Hotswap Internal Loopback testMaintaining the Hssi Module Chapter Troubleshooting and MaintenanceTroubleshooting Startup Problems Preventive MaintenanceReplacing the Hssi Module LEDs Appendix a Hssi Module ComponentsLED Normal Color Indicates Behavior Attribute Description ConnectorsLocation Connector Number of pins Purpose SpecificationsAppendix B Displaying the MAC Address Type 3 to access the MAC address of the Hssi moduleType Y Displaying the MAC Address Appendix C Technical Support Automated Fax ServiceOn-line Technical Services 3Com Product Information ServiceAdapter-Specific Bulletin Board System BBS Warranty InformationAdditional Technical Support Services 3Com Documentation on CD-ROMReturning Products for Repair Before Contacting Your Network SupplierAdditional 3Com Support Services Europe and Africa Equipment Warranties and Repair ServicesPreparing Your Equipment for Shipment Technical Support

NETBuilder II specifications

The 3Com NETBuilder II is a robust networking solution designed to meet the requirements of enterprise-level organizations. Launched in the late 1990s, this platform was celebrated for its advanced features and high-performance capabilities. As a modular, multi-layer switch, it provides flexible configurations that allow businesses to scale their networks according to changing demands.

One of the standout features of the NETBuilder II is its support for both Layer 2 and Layer 3 switching. This dual functionality enables efficient data handling at various layers of the OSI model, allowing for improved network efficiency and reduced latency. With support for both Ethernet and Fast Ethernet, the device delivers high-speed connectivity to enhance data transmission rates across the network.

The NETBuilder II is equipped with a modular architecture, offering interchangeable line cards that facilitate customization according to specific network needs. This design allows organizations to start with basic configurations and expand their systems by adding additional modules as required. This modularity is particularly beneficial for organizations anticipating growth or changes in their networking requirements.

Another essential technology integrated into the NETBuilder II is Virtual LAN (VLAN) support. VLANs provide the ability to segment network traffic effectively, which enhances security and optimizes performance. By segregating traffic, organizations can minimize broadcast domains and improve overall network efficiency while maintaining strict control over data access.

Furthermore, the device is designed with advanced routing capabilities, supporting protocols like RIP, OSPF, and PIM. These routing features are crucial for organizations that need to manage complex data flows and ensure efficient path selection for data packets, ultimately contributing to a more reliable network infrastructure.

In terms of management, the NETBuilder II offers support for SNMP, simplifying the monitoring and management of network devices. This feature enables IT administrators to track performance, troubleshoot issues in real-time, and maintain optimal operational conditions.

The 3Com NETBuilder II also boasts a solid reputation for reliability and durability, making it suitable for mission-critical applications in various industries. Its robust nature ensures continuous uptime and service reliability, which is paramount in today's increasingly connected business landscape.

Overall, the 3Com NETBuilder II is an influential piece of networking technology. Its combination of modularity, advanced routing features, VLAN support, and high-performance capabilities make it a key asset for enterprises looking to build a scalable, efficient, and reliable network infrastructure.
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