MRV Communications MR2228-S2C manual Network Aggregation Plan, Collapsed Backbone

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transceiver. In the figure below, the switch is operating as a collapsed backbone for a small LAN.It is providing dedicated 10 Mbps full-duplex connections to workstations and 100 Mbps full-duplex connections to power users and servers.

Figure 2-1. Collapsed Backbone

Network Aggregation Plan

With 28 parallel bridging ports (i.e., 28 distinct collision domains), the MR2228-S2C can collapse a complex network down into a single efficient bridged node, increasing overall bandwidth and throughput.

When up to eight switch units are stacked together, they form a single “virtual” switch containing up to 208 ports. The whole stack can be managed through the Master unit using a single IP address. In the figure below, the 10BASE-T/100BASE-TX ports on the switch are providing 100 Mbps connectivity for up to 24 segments. In addition, the switch is also connecting several servers at 1000 Mbps.

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Contents Stackable Fast Ethernet Switch Installation Guide Installation Guide Contents Appendix B Cables Introduction Switch ArchitectureOverview Network Management Options Description of Hardware10BASE-T/100BASE-TX Ports 1000BASE-T/SFP PortsPort and System Status LEDs Stacking PortsCondition Status Port Status LEDsSystem Status LEDs Power Supply ReceptaclesConnectivity Features and BenefitsExpandability PerformanceManagement Network Planning Introduction to SwitchingApplication Examples Collapsed BackboneCollapsed Backbone Network Aggregation PlanNetwork Aggregation Plan Remote Connections with Fiber CableRemote Connections with Fiber Cable Making Vlan ConnectionsMaking Vlan Connections Application NotesSelecting a Site Installing the SwitchEthernet Cabling Package Contents Equipment ChecklistMounting Optional Rack-Mounting EquipmentAttaching the Brackets Rack MountingAttaching the Adhesive Feet Desktop or Shelf MountingConnecting Switches in a Stack Installing an Optional SFP TransceiverConnecting Switches in a Ring-topology Stack Connecting to a Power SourceWiring Map for Serial Cable Connecting to the Console PortDTE Port Connecting to PCs, Servers, Hubs and Switches Connecting Network DevicesMaking Network Connections Twisted-Pair DevicesMaking Twisted-Pair Connections Network Wiring ConnectionsFiber Optic SFP Devices Network Wiring Connections1000BASE-T Cable Requirements Connectivity RulesMbps Gigabit Ethernet Collision Domain Cable Labeling and Connection RecordsMbps Fast Ethernet Collision Domain Mbps Ethernet Collision DomainPage Diagnosing Switch Indicators Appendix a TroubleshootingPower and Cooling Problems Table A-1. Troubleshooting Chart Symptom ActionIn-Band Access InstallationStack Troubleshooting Twisted-Pair Cable and Pin Assignments Appendix B Cables10BASE-T/100BASE-TX Pin Assignments Crossover Wiring Straight-Through Wiring1000BASE-T Pin Assignments Adjusting Existing Category 5 Cabling to Run 1000BASE-T Cable Testing for Existing Category 5 CableFiber Standards Appendix C Specifications Management Features In-Band Management Forwarding ModeSafety ThroughputAuto-Negotiation 1000BASE-TBandwidth CollisionRJ-45 Connector Media Access Control MACSwitched Ports Ieee 802.3ab