MRV Communications MR2228-S2C manual Appendix C Specifications

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Appendix C: Specifications

Physical Characteristics

Ports

24 10/100BASE-TX, with auto-negotiation

Two 10/100/1000BASE-T shared with two SFP transceiver slots Two 10/100/1000BASE-T or Stacking Ports (button selection)

Network Interface

Ports 1-24: RJ-45 connector, auto MDI/X

10BASE-T: RJ-45 (100-ohm, UTP cable; Categories 3 or better)

100BASE-TX: RJ-45 (100-ohm, UTP cable; Category 5 or better)

1000BASE-T: RJ-45 (100-ohm, UTP or STP cable; Category 5, 5e or 6)

Buffer Architecture

4 Mbytes

Aggregate Bandwidth

8.8 Gbps

Switching Database

8K MAC address entries

LEDs

System: PWR (Power Supply), Diag (Diagnostic), RPU (Redundant Power Unit), Stack

Port: status (link, speed, and activity)

Weight

3.08kg (6 lbs, 13 oz)

Size 44.0x23.0x4.4cm(17.32x9.06x1.73in)

Temperature

Operating: 0°C to 40°C (32°F to 104°F)

Storage: -40°C to 70°C (-40°F to 158°F)

Humidity

Operating: 5% to 95% (non-condensing) Specifications

Power Supply

Internal, auto-ranging transformer: 100 to 240 VAC, 50 to 60 Hz External, supports connection for redundant power supply

Power Consumption 70 Watts maximum

Maximum Current

1.2A @ 110 VAC

0.6A @ 240 VAC

Switch Features

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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