3Com 8814, 8807, 8810 Use the nylon ties to bundle the cables neatly, Installation precautions

Page 97

Installation of Lightning Arrester for Network Port

97

connected to the switch should be inserted into the arrester’s OUT end). When you do that, observe whether the arrester indicators normally display.

n The instruction of lightning arrester for network port contains the technical specifications, installation and maintenance guide of the arrester. Please carefully read it before installing the arrester.

Step 5: Use the nylon ties to bundle the cables neatly.

Power input

 

Network cable indoors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Network cable led into from outdoor

 

 

 

 

 

 

 

 

 

 

 

 

Lightning arrester for network port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch

 

 

 

 

(attached onto the chassis)

 

 

 

 

 

 

 

 

 

 

 

 

Ground wire of lightning arrester

 

 

 

 

 

 

 

 

 

 

 

 

Grounding screw of switch

 

 

 

 

 

 

 

 

 

 

 

 

 

Metal cabinet that contains the

 

 

 

 

 

 

 

 

 

 

 

 

 

Installation precautions

Fully consider the following items in the installation process, otherwise, the performance of the lightning arrester for network port will be affected:

■Lightning arrester for network port is installed in reverse direction. In practice, the “IN” end should be connected to the outdoor network cable and the “OUT” end to the network port on the switch.

■Lightning arrester for the network port is not well grounded. The ground wire for the arrester should be as short as possible, so to ensure its good contact with the grounding screw of the switch. After the connection, use the multimeter to confirm that.

■The lightning arrester for the network port is not installed completely. If the switch has more than one network ports to interconnect with other devices via cables outdoor, you should install lightning arresters for all these network ports for protection.

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Contents 3Com Switch 8800 Family United States Government Legend 3Com Corporation Campus Drive Marlborough, MA USAContents System Debugging Conventions About this GuideProtocols that are used to interconnect LANs Lists icon conventions that are used throughout this guideUsing the supported protocols and CLI commands SwitchRelated DocumentationPreface Product Overview8800s 3Com Switch 8810 10-Slot Chassis 3Com Switch 8814 14-Slot Chassis Switch 8807 slots Chassis and Slots SwitchSwitch 8810 slots SwitchStructure FunctionsSpecifications Switch AC Power SystemEach Ethernet port can deliver up to 15.4 W to its PD PoE entry area External PoE Power Rack 3C17509Normal Abnormal Mbus IntroductionLabel Color State Abnormal reason Role and function Fan tray panel of the Switch 8800 FamilyFabric Modules Gbps Switch FabricPanel Compact Flash CF slot RS232/485 port specificationsManagement Ports Status LEDs for the management 10Base-T/100Base-TX portConsole port specifications Reset buttonAUX port specifications Status LEDsGbps Switch Fabric LED Status Status LEDs for the 360 Gbps Switch Fabric moduleCF status LED Status LEDs for I/O module720 Gbps Switch Fabric specifications Gbps Switch Fabric Technical specificationsAUX port Status LEDs for the 720 Gbps Switch Fabric module Technical specifications of the Switch 8800 Family Status LEDs for the 720 Gbps Switch Fabric moduleSupported software features Software FeaturesSoftware features of the Switch 8800 Family Lacp Software features of the Switch 8800 Family Product Overview 3C17511 module specifications O modules available to the Switch 8800 FamilyApplication Modules Overview3C17512 2-port 10GBASE-X XFP Module 3C17512 module specificationsPanel and LEDs 3C17511 module panel Port LEDs on the 3C17511 module3C17513 12-port 1000BASE-X SFP Module Specifications3C17513 module has two LEDs for each port on its panel 3C17514 24-port 1000BASE-X SFP Module 3C17514 module specificationsPort LEDs on the 3C17513 module Panel and LEDs 3C17514 module panel3C17516 module has one LED for each port on its panel 3C17525 1-port 10GBASE-X Advanced Xenpak ModulePort LEDs on the 3C17516 module 3C17526 4-port 10GBASE-X XFP Module 3C17526 module specificationsPanel and LEDs 3C17525 module panel Port LEDs on the 3C17525 module3C17527 2-port 10GBASE-X XFP Advanced Module 3C17527 module specificationsPanel and LEDs 3C17526 module panel 1000 Mbps optical port LEDs on the 3C17526 module3C17528 module has one LED for each port on its panel 3C17528 48port 10/100/1000 BASE-T RJ-45 Module3C17531 24-port 10/100/1000BASE-T Advanced Module 3C17530 24-port 1000BASE-X SFP Advanced ModulePanel and LEDs 3C17530 module panel 3C17531 module has one LED for each port on its panel 3C17532 module specificationsPanel and LEDs 3C17531 module panel Port LEDs on the 3C17531 module3C17532 module has one LED for each port on their panel 3C17533 24-port 1000BASE-X SFP IPv6 ModulePanel and LEDs 3C17533 module panel 3C17536 module specifications 3C17534 module specifications3C17534 24-port 10/100/1000BASE-T IPv6 Module 3C17536 4-port 10GBASE-X XFP Quad IPv6 Module3C17538 48-port 1000BASE-X SFP IPv6 Module 3C17538 module specificationsPanel and LEDs 3C17536 module panel 1000 Mbps optical port LEDs on the 3C17536 moduleFront panel Technical specifications for the 3C17542Panel and LEDs 3C17538 module panel Port LEDs on the 3C17538 moduleTechnical specifications for the 3CR1754766 Technical specifications for the 3C17546Available cables Status LEDs on the 3C17546Status LEDs on the 3CR1754766 Technical specifications for the 3C17548Transceiver Specifications Documents the 3Com Switch 8800 Family transceiversTransceivers Switch 8800 Available Modules Switch 8800 PortDensities Description Max PortSafety Installation PreparationGeneral Safety RecommendationsInstallation Preparation Mechanical active material Unit Content Limitation on dust content in equipment roomHarmful gas limits in an equipment room Gas Average mg/m3 Max. mg/m3Power Supply Requirements Space Requirements Installation ToolsRequired installation tools MeasureConfirming Installation Preparation Switch InstallationInstallation Flow One Switch 8807 chassis in a cabinet Mounting the Switch User-Supplied CabinetOne Switch 8807 chassis in a cabinet Switch 8807 11U Two Switch 8807 chassis in a cabinetTwo Switch 8807 chassis in a cabinet Switch 8807 11U One Switch 8810 chassis in a cabinetOne Switch 8810 chassis in a cabinet Switch 8810 14U One Switch 8814 chassis in a cabinetCabinet One Switch 8814 chassis in a cabinet Switch 8814 17UConnecting Pgnd Wire Common grounding environment Connecting Pgnd Wire and Power CordOther grounding environment Ground the switch when ground bar is available Ground the switch via AC PE wire Connecting AC Power CordConnect AC power cord to the Switch Grounding PoE chassis Connecting PoE power cableInstall mounting ears onto the both sides of the switch Installing Fan TrayFan tray is hot swappable Contact take the fan tray out from the packing bag Lightning Protection BoxFasten the screw on top of the PoE lightning protection box Installing I/O modulesConnecting console cable Connecting Interface CablesRJ-45 Signal Direction DB-25 DB-9 IntroductionAUX cable pinouts AUX cableIntroduction to RJ-45 connector Connecting AUX cableConnecting category-5 shielded cable Connecting FiberCable Management Cable Routing RecommendationsIntertwinement or bending is allowed Cable bundling example Cable fixing example Installation checking list Verifying InstallationTie-binding parameters Cable bundle diameter mm Space between bundles mmSwitch Installation Setting up Setting up Configuration EnvironmentSystem Debugging EnvironmentVerifying Installation Before Powering Switch Powering and Booting the SwitchZbbtest System Debugging Troubleshooting PSU Switch Monitoring MaintenanceDescription of the LEDs on PSU Description of fan tray LEDs Indicator State descriptionRemoving AC PSU Switch 8807 as example Hardware MaintenanceIndicator Replacing AC PSURemove and install the AC PSU Installing AC PSU Switch 8807 as exampleInstalling the air filter of PSU Removing and cleaning the air filter of PSURemoving and cleaning the air filter of chassis Replacing and Cleaning Air Filter of ChassisInstalling the air filter of the chassis Required toolsRemoving a module Installing a ModuleGently pull the module out of the slot along the guides Replacing the Fan Tray Required toolsRecommended upgrade procedure Software UpgradeRequired cables Press Ctrl+B as prompted and the system will display Boot menuMain Menu Upgrading software through console port XModemSerial Submenu A Windows 98 operating system environment, you can performSend File dialog box Upgrading software through management Ethernet port TftpFiles using Tftp and to 0x0 if using FTP Upgrading software through management Ethernet port FTP Loading using FTP Load host program Remote and local loading using TftpSoftware Upgrade No response from fabric serial interface Password LossNo configuration saving during I/O module reboot Insufficient Flash memorySwitch Monitoring and Maintenance Diagram of lightning arrester Lightning Protection SwitchInstallation procedure Installation Lightning Arrester for Network PortIs not well grounded yet Use the nylon ties to bundle the cables neatly Installation precautions
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8810, 8814, 8807 specifications

The 3Com 8814, 8810, and 8807 are renowned products from the networking giant 3Com, which played a significant role in the evolution of networking technology in the early 1990s. These devices were instrumental during a time when organizations were transitioning from traditional communication systems to more sophisticated networking solutions.

The 3Com 8814 is a multi-port networking hub designed for small to medium-sized businesses. One of its main features includes a 10Base-T Ethernet capability, allowing for fast and reliable connectivity among various devices within a local area network (LAN). The 8814 supports up to 14 connections, providing scalability for growing businesses. The hub’s ease of use is notable; it features a plug-and-play design, which aids in quick setup without requiring extensive configuration. This plug-and-play functionality, alongside its robust physical and electrical performance, made the 8814 an appealing choice for organizations looking to enhance their networking infrastructure without significant investment.

Moving on to the 3Com 8810, this device is labeled as an intelligent network switch and ushered in advancements in network management and performance. A critical element of the 8810 is its ability to support both 10/100Base-T Ethernet connections, effectively allowing mixed-speed environments. Its built-in management features, enabled by 3Com's networking technologies, offered users the ability to monitor traffic flow, manage bandwidth allocation, and configure network settings through a user-friendly interface. This switch also incorporated advanced features like VLAN support, increasing security and segmentation within networks, which proved invaluable for sophisticated networking environments.

Lastly, the 3Com 8807 represents a more versatile and high-performance switch option suited for larger networks. This model features a stackable design that allows for a broader range of scalability and redundancy. It supports both fast Ethernet and Gigabit Ethernet, ensuring that organizations can expand their network speeds as needed. The 8807 includes features for enhanced fault tolerance and link aggregation, which bolsters reliability and performance under heavy traffic loads. Its integration with 3Com's Network Management Software provided administrators with unprecedented control over their networks, empowering them to optimize performance and troubleshoot issues effectively.

Overall, the 3Com 8814, 8810, and 8807 exemplified the company's commitment to innovation in networking technology, providing businesses with the tools necessary to develop efficient, scalable, and reliable network infrastructures. Each of these devices played a crucial role in shaping the landscape of networking, emphasizing ease of use, management capabilities, and performance.
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