Cabletron Systems STHI-44, STH-22, 42 Attaching the Strain Relief Bracket, Rack-Mounting the STH

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Attaching the Strain Relief Bracket

3.2.3Attaching the Strain Relief Bracket

Attach the strain relief bracket to the front of the STH as follows:

1.Locate the strain relief bracket and four 8-32 x 3/8" screws from the STH-ACCY-KIT package.

Warning: Use of longer screws may cause damage to the unit or electrical shock.

2.Carefully turn the STH upside down.

3.Attach the strain relief bracket to the bottom of the STH as shown in Figure 3-2.

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CABLE UTP OHM 100 SUPPORTING

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®LANVIEW with HUB RING TOKEN

Figure 3-2. Attaching the Strain Relief

3.2.4Rack-Mounting the STH

Perform these steps to install the STH in a 19-inch rack:

1.Remove the four cover screws (two from each side) located along the front edges of each side of the STH.

2.Using the four cover screws removed in step 1, attach the rack mounting brackets to each side of the STH as shown in Figure 3-3.

3.With the mounting brackets installed, position the STH between the vertical frame members of the 19-inch rack and fasten it securely with

the mounting screws as shown in Figure 3-4.

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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 TroubleshootingIntroduction Using This ManualSTH Overview STH Overview HubSTACKLobe Port and Multiple Ring Out Port Configurations Ring Speed Fault ProtectionLanview LEDs Lanview LEDsAutomatic Beacon Recovery Process Daughter Board Upgrade KitAutomatic Beacon Recovery Process Active CircuitryRelated Manuals Related ManualsImproved Protection from Beaconing No Connection RedundancyDAISY-CHAIN MAU Configuration Getting Help Getting HelpRequirements & Specifications General ConsiderationsMaximum Number of Stations on a Ring CrosstalkInstallation Recommendations TemperatureGeneral Considerations Cable Specifications UTP Cabling SpecificationsCable Specifications UTP Cable CategoriesUTP Cable Categories NextUTP Lobe Lengths STP Cabling SpecificationsUTP Lobe Lengths STP Cable Categories STP Cable CategoriesSTP Lobe Lengths TCU Specifications TCU SpecificationsOperating Specifications Operating SpecificationsRing Speed Ring Sequence Power Supply RequirementsRing Sequence Safety Environmental RequirementsEnvironmental Requirements PhysicalInstallation Installing the STHUnpacking the STH Rack Mount or Wall Mount HardwareAdding the STH to a Stack Adding the STH to a StackAttaching the Strain Relief Bracket Attaching the Strain Relief BracketRack-Mounting the STH Wall-Mounting the STH Wall-Mounting the STHWall-Mounting the STH Free-Standing Installation Free-Standing InstallationConnecting the STH to the Power Source Connecting the STH to the Power SourceAttaching Network Cabling to TCU Ports Finishing the Installation Finishing the InstallationLanview LED Signals TroubleshootingTrouble Resolution Trouble Resolution Loss Of PowerFailure to Link on Enabled Port 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.