Appendix C Specifications | MRV Communications MR2228-S2C specification

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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MRV Communications MR2228-S2C manual Appendix C Specifications

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 Ports Port and System Status LEDs Stacking Ports Condition Status Port Status LEDs System Status LEDs Power Supply Receptacles Connectivity Features and BenefitsExpandability Performance Management Network Planning Introduction to SwitchingApplication Examples Collapsed Backbone Collapsed Backbone Network Aggregation Plan Network Aggregation Plan Remote Connections with Fiber Cable Remote Connections with Fiber Cable Making Vlan Connections Making Vlan Connections Application Notes Selecting a Site Installing the SwitchEthernet Cabling Package Contents Equipment ChecklistMounting Optional Rack-Mounting Equipment Attaching the Brackets Rack Mounting Attaching the Adhesive Feet Desktop or Shelf Mounting Connecting Switches in a Stack Installing an Optional SFP Transceiver Connecting Switches in a Ring-topology Stack Connecting to a Power Source Wiring Map for Serial Cable Connecting to the Console Port DTE Port Connecting to PCs, Servers, Hubs and Switches Connecting Network DevicesMaking Network Connections Twisted-Pair Devices Making Twisted-Pair Connections Network Wiring Connections Fiber Optic SFP Devices Network Wiring Connections 1000BASE-T Cable Requirements Connectivity Rules Mbps 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 Action In-Band Access InstallationStack Troubleshooting Twisted-Pair Cable and Pin Assignments Appendix B Cables10BASE-T/100BASE-TX Pin Assignments Crossover Wiring Straight-Through Wiring 1000BASE-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 Throughput Auto-Negotiation 1000BASE-TBandwidth Collision RJ-45 Connector Media Access Control MACSwitched Ports Ieee 802.3ab