3Com NETBuilder II manual Special Messages

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Keys	When specific keys are referred to in the text, they are
	called out by their labels, such as “the Return key” or “the
	Escape key,” or they may be shown as [Return] or [Esc].
	If two or more keys are to be pressed simultaneously, the
	keys are linked with a plus sign (+), for example:
	Press [Ctrl]+[Alt]+[Del].
Italics	Italics are used to denote new terms or emphasis.

Special Messages

A special format indicates notes, cautions, and warnings. These messages are deﬁned as follows.

NOTE: Notes call attention to important features or instructions.

CAUTION: Cautions contain directions that you must follow to avoid immediate system damage or loss of data.

WARNING: Warnings contain directions that you must follow for your personal safety. Follow all instructions carefully.

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Contents NETBuilder II Hssi Module Installation Guide Member of the NETBuilder family3Com Corporation Bayfront Plaza Santa Clara California How to Use This Guide Before You BeginConventions If you are looking for Turn toSpecial Messages Chapter Installation Before Installing the Hssi ModuleObserve appropriate ESD precautions Inspect the Hssi module for shipping damageVerify that you have received all the contents Installing the Hssi Module Select an I/O slot in which to install the Hssi moduleLock the board in the slot Hand tighten the captive screws. Do not use a screwdriverCabling the Hssi Module for Network Connection Internal Loopback test HotswapChapter Troubleshooting and Maintenance Troubleshooting Startup ProblemsPreventive Maintenance Maintaining the Hssi ModuleReplacing the Hssi Module LEDs Appendix a Hssi Module ComponentsLED Normal Color Indicates Behavior Connectors Location Connector Number of pins PurposeSpeciﬁcations Attribute DescriptionAppendix B Displaying the MAC Address Type 3 to access the MAC address of the Hssi moduleType Y Displaying the MAC Address Automated Fax Service On-line Technical Services3Com Product Information Service Appendix C Technical SupportWarranty Information Additional Technical Support Services3Com Documentation on CD-ROM Adapter-Speciﬁc Bulletin Board System BBSBefore Contacting Your Network Supplier Returning Products for RepairAdditional 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.