Cabletron Systems NB25 E Chapter Installing the NB20E or NB25E Bridge, Installing the Bridge

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CHAPTER 3

INSTALLING THE NB20E OR NB25E BRIDGE

This section contains instructions for installing Cabletron Systems' NB20E or NB25E Two Port Ethernet Bridge, and for preparing the bridge for operation. Verify that all network design guidelines and site requirements listed in Chapter 2, Installation Requirements/ Specifications, are met before installing the bridge.

3.1UNPACKING THE NB20E OR NB25E BRIDGE

Before you install the NB20E or NB25E Bridge, you should visually inspect the bridge and check the contents of the accessory package. To unpack the bridge and accessory package:

1.Carefully remove the bridge from the shipping box. Save the shipping box and materials in the event the unit has to be reshipped.

2.Slide the two foam end caps off of the bridge and remove the bridge from its protective plastic bag. Set the bridge aside to prevent the unit from being damaged.

3.Remove the plastic bag containing the accessory package and check that the bag contains the following items:

•one 8 foot (2.44 m) power cord

•one cable support bracket

•two 8-32 x .375 inch screws

•three 6 (15.24 cm) inch cable ties

•rack mount brackets

Contact Cabletron Systems' Technical Support immediately if any discrepancy in materials exists.

3.2INSTALLING THE BRIDGE

After you have met all requirements listed in Chapter 2, Installation Requirements, complete the installation instructions provided in this section.

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Contents TWO Port Ethernet Bridges USER’S Manual Page Page FCC Notice Contents Contents Chapter Introduction Using this ManualNB20E and NB25E TWO Port Ethernet Bridge Getting HelpProvides an illustration of the filtering process Bridge Filtering MethodBridging Method Root Bridge Multiple Bridge EnvironmentsMultiple Bridging Environments Primary and Redundant Data PathsRemote Lanview Related Manuals Chapter Installation Requirements Specifications Location RequirementsNetwork Requirements General Operating SpecificationsNB20E NB25E PerformanceFront Panel Switches Front Panel IndicatorsRS232 Port AUI Port NB20E/NB25EEnvironmental Requirements Power Supply RequirementsSafety ServicePhysical Properties Chapter Installing the NB20E or NB25E Bridge Installing the BridgeUnpacking the NB20E or NB25E Bridge Rack Mount Brackets Installation Installing the Rack Mount BracketsConnecting The Bridge To The Network Cable Support InstallationInstallation Setting The Mode SwitchesNB-25E Connecting The NB20E or NB25E To The Power SourceInstalling the NB20E or NB25E Bridge Installation CHECK-OUT Chapter Testing and LanviewCheck Out Configuration Using LanviewUsing the Forward Broadcast Switch Using the Root Switch

NB25 E, NB20E specifications

Cabletron Systems, renowned for its innovative networking solutions in the late 20th century, introduced the NB20E and NB25E series, which made a significant impact in the realm of network management and reliability. These devices were tailored for businesses seeking to enhance their network infrastructure with efficiency and reliability.

The NB20E is known for its robust performance in medium-sized network environments. It operates with an architecture that allows for seamless integration into existing networks, providing essential features that cater to both versatility and scalability. One of its standout functionalities is the support for multiple protocols, enabling organizations to harness various networking standards without the need for extensive alterations to their current setups.

On the other hand, the NB25E extends these capabilities further, offering enhanced throughput and a more comprehensive range of networking options. This makes it particularly suitable for larger businesses with growing networking demands. The utilization of advanced technologies, such as its embedded intelligence, ensures that the NB25E can efficiently manage and direct network traffic, thus minimizing latency and maintaining optimal performance even during peak usage times.

Both models provide essential characteristics such as a modular design, allowing for easy upgrades and maintenance. This modularity not only prolongs the lifespan of the devices but also provides flexibility for future expansions or modifications as business needs evolve. The systems support various interfaces, catering to diverse environments and ensuring easy connectivity to other networking equipment.

Security is a paramount concern in today’s interconnected world, and Cabletron Systems addressed this in the NB20E and NB25E series. The devices are equipped with advanced security features that protect against unauthorized access and ensure data integrity, providing peace of mind for organizations relying on critical data transmissions.

In addition to their technical advantages, both models offer user-friendly management software, making monitoring and control straightforward even for those with limited networking expertise. This ease of use ensures that companies can leverage their investment fully without requiring extensive training or resources.

In summary, the Cabletron Systems NB20E and NB25E series represent a significant leap in networking technology during their era. With advanced features, modular capabilities, and a commitment to security, these devices remain a noteworthy consideration for businesses looking to enhance their networks and prepare for future growth.
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