D-Link DGS-3120-48PC Hardware Installation Guide - Page 40

xStack® DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Appendix Section Appendix A - Technical Specifications General Feature Standards Protocols Data Transfer Rates: Ethernet Fast Ethernet Gigabit Ethernet Network Cables Number of Ports Detailed Description IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet IEEE 802.3z 1000BASE-T (SFP "Mini GBIC") IEEE 802.1D/2004/Spanning Tree (802.1s, 802.1w) IEEE 802.1Q-2005 VLAN IEEE 802.1p Priority Queues IEEE 802.1X Network Access Control IEEE 802.3 Nway Auto-negotiation IEEE 802.3ad Link Aggregation Control IEEE 802.3x Full-duplex Flow Control IEEE 802.1u Fast Ethernet CSMA/CD Half-duplex 10 Mbps 100Mbps Full-duplex 20Mbps 200Mbps 2000Mbps Cat.5 Enhanced for 1000BASE-T UTP Cat.5, Cat. 5 Enhanced for 100BASE-TX UTP Cat.3, 4, 5 for 10BASE-T EIA/TIA-568 100-ohm screened twisted-pair (STP)(100m) DGS-3120-24TC: 24-Port 10/100/1000Base-T, 4 Combo Copper/SFP ports and 2 dedicated stacking ports. DGS-3120-24SC: 8-Port 10/100/1000Base-T/SFP combo ports, 16 SFP ports and 2 dedicated stacking ports. DGS-3120-24SC-DC: 8-Port 10/100/1000Base-T/SFP combo ports, 16 SFP ports and 2 dedicated stacking ports. DGS-3120-24PC: 24-Port PoE 10/100/1000Base-T, 4 Combo PoE Copper/SFP ports and 2 dedicated stacking ports. DGS-3120-48TC: 48-Port 10/100/1000Base-T, 4 Combo Copper/SFP ports and 2 dedicated stacking ports. DGS-3120-48PC: 48-Port PoE 10/100/1000Base-T, 4 Combo PoE Copper/SFP ports and 2 dedicated stacking ports. Physical and Environmental Feature Internal Power Supply Optional Redundant Power Supply Detailed Description AC Input: 100 - 240 VAC, 50-60 Hz Provide one connector in rear panel to install optional external RPS to enhance the reliability. When internal power is failed, the optional external RPS will take over all the power immediately and automatically. 32