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DGS-3120 Series Layer 3 Managed Gigabit Switch Hardware Installation Guide
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Appendix A –
Technical Specifications
General
Feature
Detailed Description
Standards
IEEE 802.3 10BASE-T Ethernet
IEEE 802.3az Energy-Effcient 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
Protocols
CSMA/CD
Data Transfer Rates:
Ethernet
Fast Ethernet
Gigabit Ethernet
Half-duplex
Full-duplex
10 Mbps
20Mbps
100Mbps
200Mbps
-------------
2000Mbps
Network Cables
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)
Number of Ports
DGS-3120-24TC:
Twenty-four Copper ports (10/100/1000Mbps), Four Combo
Copper/SFP ports (10/100/1000Mbps and 100/1000Mbps), Two dedicated, high speed
stacking ports.
DGS-3120-24SC:
Sixteen SFP ports (100/1000Mbps), Eight Combo Copper/SFP ports
(10/100/1000Mbps and 100/1000Mbps), Two dedicated, high speed stacking ports.
DGS-3120-24SC-DC:
Sixteen SFP ports (100/1000Mbps), Eight Combo Copper/SFP
ports (10/100/1000Mbps and 100/1000Mbps), Two dedicated, high speed stacking ports.
DGS-3120-24PC:
Twenty-four Copper PoE ports (10/100/1000Mbps), Four Combo
Copper/SFP ports (10/100/1000Mbps and 100/1000Mbps), Two dedicated, high speed
stacking ports.
DGS-3120-48TC:
Fourty-four Copper ports (10/100/1000Mbps), Four Combo
Copper/SFP ports (10/100/1000Mbps and 100/1000Mbps), Two dedicated, high speed
stacking ports.
DGS-3120-48PC:
Fourty-eight Copper PoE ports (10/100/1000Mbps), Four Combo
Copper/SFP ports (10/100/1000Mbps and 100/1000Mbps), Two dedicated, high speed
stacking ports.
