D-Link xStack DGS-3120-48PC Hardware Installation Manual page 45

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xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide
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DEM-312GT2 (1000Base-SX, Multi-mode, 2km)
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DEM-314GT (1000BASE-LHX, Single-mode, 50km)
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DEM-315GT (1000BASE-ZX, Single-mode, 80km)
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DEM-330T/R (WDM transceiver, Single-Mode 10km)
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DEM-331T/R (WDM transceiver, Single-Mode 40km)
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DGS-712 (1G Copper, 1000Base-T, 100m)
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DEM-210 (100Base-FX, Single-Mode 15km)
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DEM-211 (100Base-FX, Multi-mode, 2km)
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DEM-220T/R (100Base-BX, Single-Mode, 20km)
Compliant to following standards:
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IEEE 802.3z compliance
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IEEE 802.3x Flow Control support for Full-Duplex mode.
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Support Auto-negotiation for Full-Duplex/ flow control operations
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