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DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide
36
Port Functions
Feature Detailed Description
LAN
24/48 x 10/100/1000Base-T ports for the DGS-3120-24TC/48TC
8 x 10/100/1000Base-T ports for the DGS-3120-24SC/24SC-DC
24/48 x 10/100/1000Base-T PoE ports for the DGS-3120-24PC/48PC
Compliant to following standards:
IEEE 802.3 compliance
IEEE 802.3u compliance
IEEE 802.3ab compliance
Support Half/Full-Duplex operations
Auto-negotiation
Auto MDI/MDIX
IEEE 802.3x Flow Control support for Full-Duplex mode, Back Pressure when Half-Duplex
mode, and Head-of-line blocking prevention
Mini-GBIC
16 x SFP ports for DGS-3120-24SC/24SC-DC
SFP Transceivers Supported:
• DEM-310GT (1000Base-LX, Single-mode, 10km)
• DEM-311GT (1000ase-SX, Mutli-mode, 500m)
• DEM-312GT2 (1000Base-SX, Multi-mode, 2km)
• DEM-314GT (1000BASE-LHX, Single-mode, 50km)
• DEM-315GT (1000BASE-ZX, Single-mode, 80km)
• DEM-330T/R (WDM transceiver, Single-Mode 10km)
• DEM-331T/R (WDM transceiver, Single-Mode 40km)
• DGS-712 (1G Copper, 1000Base-T, 100m)
• DEM-210 (100Base-FX, Single-Mode 15km)
• DEM-211 (100Base-FX, Multi-mode, 2km)
• DEM-220T/R (100Base-BX, Single-Mode, 20km)
Compliant to following standards:
• IEEE 802.3z compliance
• IEEE 802.3x Flow Control support for Full-Duplex mode.
• Support Auto-negotiation for Full-Duplex/ flow control operations
Combo ports
Combo 1000BASE-T/SFP ports for DGS-3120-24TC/48TC/24SC/24SC-DC
1000Base-T ports compliant to following standards:
• IEEE 802.3 compliance
• IEEE 802.3u compliance
• IEEE 802.3ab compliance
• Support Full-Duplex operations
• IEEE 802.3x Flow Control support for Full-Duplex mode, Back Pressure when Half-
Duplex mode, and Head-of-line blocking prevention
SFP Transceivers Supported:
• DEM-310GT (1000Base-LX, Single-mode, 10km)
• DEM-311GT (1000ase-SX, Mutli-mode, 500m)