Cabletron Systems 42, STHI-44, STH-22, 24 manual

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NOTICE

NOTICE

Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made.

The hardware, firmware, or software described in this manual is subject to change without notice.

IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAGES.

© Copyright February 1996 by: Cabletron Systems, Inc.

P.O. Box 5005, Rochester, NH 03866-5005

All Rights Reserved

Printed in the United States of America

Order Number: 9031319 February 1996

STH, HubSTACK, and MicroMMAC are trademarks of Cabletron Systems, Inc.

SPECTRUM, LANVIEW, and Remote LANVIEW, are registered trademarks of Cabletron Systems, Inc.

IBM is a registered trademark of International Business Machines Corporation.

CompuServe is a registered trademark of CompuServe, Inc.

DEC and VT100 are trademarks of Digital Equipment Corporation.

Windows is a registered trademark of Microsoft Corporation.

Printed On

Recycled Paper

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Contents Stackable Token Ring HUB USER’S Guide Page FCC Notice DOC NoticeCabletron SYSTEMS, INC Program License Agreement Cabletron Software Program LicenseExclusion of Warranty Disclaimer of Liability United States Government Restricted Rights Contents Installation TroubleshootingSTH Overview Using This ManualIntroduction STH Overview HubSTACKLanview LEDs Lobe Port and Multiple Ring Out Port ConfigurationsRing Speed Fault Protection Lanview LEDsAutomatic Beacon Recovery Process Automatic Beacon Recovery ProcessDaughter Board Upgrade Kit Active CircuitryImproved Protection from Beaconing Related ManualsRelated Manuals No Connection RedundancyDAISY-CHAIN MAU Configuration Getting Help Getting HelpMaximum Number of Stations on a Ring Requirements & SpecificationsGeneral Considerations CrosstalkGeneral Considerations TemperatureInstallation Recommendations Cable Specifications Cable SpecificationsUTP Cabling Specifications UTP Cable CategoriesUTP Cable Categories NextUTP Lobe Lengths STP Cabling SpecificationsUTP Lobe Lengths STP Lobe Lengths STP Cable CategoriesSTP Cable Categories TCU Specifications TCU SpecificationsRing Speed Operating SpecificationsOperating Specifications Ring Sequence Power Supply RequirementsRing Sequence Environmental Requirements SafetyEnvironmental Requirements PhysicalUnpacking the STH InstallationInstalling the STH Rack Mount or Wall Mount HardwareAdding the STH to a Stack Adding the STH to a StackRack-Mounting the STH Attaching the Strain Relief BracketAttaching the Strain Relief Bracket Wall-Mounting the STH Wall-Mounting the STHWall-Mounting the STH Free-Standing Installation Free-Standing InstallationAttaching Network Cabling to TCU Ports Connecting the STH to the Power SourceConnecting the STH to the Power Source Finishing the Installation Finishing the InstallationTrouble Resolution TroubleshootingLanview LED Signals Failure to Link on Enabled Port Trouble ResolutionLoss Of Power Ring Speed Fault

42, 24, STHI-44, STH-22 specifications

Cabletron Systems was a pioneer in networking technology, and its STH series, particularly the STH-22 and STHI-44, 24, and 42 models, stand out in the history of networking equipment. These devices were designed for high-performance network management and offered a multitude of features that helped organizations manage their networking resources efficiently.

The STH-22 was a compact and efficient network switch, primarily developed to serve small to medium-sized businesses. One of its main features was its ability to support multiple user connections while offering low latency and high throughput. The STH-22 utilized advanced packet-switching technology to ensure data could move rapidly across the network, enhancing overall communication and productivity.

On the other hand, the STHI-44 model addressed the needs of larger enterprises. It featured advanced routing protocols and could handle a greater number of simultaneous connections, making it ideal for environments with high data traffic. The STHI-44 also incorporated redundancy features to minimize downtime, a vital requirement for businesses that relied heavily on continuous network availability.

The STH-24 and STH-42 models focused on versatility and scalability, catering to a broad range of networking needs. Both models provided extensive support for various networking protocols and featured robust hardware for enhanced durability. The STH-24 was designed for offices requiring mid-range capabilities, while the STH-42 targeted enterprises with more demanding networking requirements.

All STH series devices were built with ease of management in mind. They included user-friendly interfaces that allowed IT personnel to monitor traffic, configure network settings, and troubleshoot issues in real-time. Additionally, the devices supported SNMP (Simple Network Management Protocol) for seamless integration into existing network management systems.

Another defining characteristic of the Cabletron STH series was its commitment to security. These devices came equipped with features that permitted administrators to set access controls and monitor network activity, thereby safeguarding against unauthorized access and potential threats.

In summary, Cabletron Systems' STH-22, STHI-44, STH-24, and STH-42 models represent a significant advancement in networking technology. With their diverse features, high-performance capabilities, and user-centric design, they have served a critical role in optimizing network resources, ensuring businesses were equipped to handle increasing connectivity demands.