DGS-3130 Series Layer 3 Stackable Managed Switch Hardware Installation Guide 
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Port Functions 
Feature  Description 
RJ45 Ports  Compliant with the following standards: 
•  IEEE 802.3 compliance 
•  IEEE 802.3u compliance 
•  IEEE 802.3ab compliance 
•  IEEE 802.3an compliance 
•  IEEE 802.3az compliance (Energy Efficient Ethernet) 
Support Full-Duplex operations 
•  IEEE 802.3x Flow Control support for Full-Duplex mode 
SFP Ports  Compliant with the following standards: 
•  IEEE 802.3u compliance 
•  IEEE 802.3z compliance 
SFP Transceivers Supported: 
•  DEM-210 (100BASE-FX, single-mode, 15 km) 
•  DEM-211 (100BASE-FX Multi-Mode, 2KM) 
•  DEM-310GT (1000BASE-LX, single-mode, 10 km) 
•  DEM-311GT (1000BASE-SX, multi-mode, 550 m) 
•  DEM-312GT2 (1000BASE-SX, multi-mode, 2 km) 
•  DEM-314GT (1000BASE-LHX, single-mode, 50 km) 
•  DEM-315GT (1000BASE-ZX, single-mode, 80 km) 
•  DGS-712 (1000BASE-T) 
WDM (BiDi) SFP Transceivers Supported: 
•  DEM-220T (100BASE-BX-D, single-mode, 20 km, TX: 1550 nm / RX: 
1310 nm) 
•  DEM-220R (100BASE-BX-U, single-mode, 20 km, TX: 1310 nm / RX: 
1550 nm) 
•  DEM-330T (1000BASE-BX-D, single-mode, 10 km, TX: 1550 nm / RX: 
1310 nm) 
•  DEM-330R (1000BASE-BX-U, single-mode, 10 km, TX: 1310 nm / RX: 
1550 nm) 
•  DEM-331T (1000BASE-BX-D, single-mode, 20 km, TX: 1550 nm / RX: 
1310 nm) 
•  DEM-331R (1000BASE-BX-U, single-mode, 20km, TX: 1310 nm / RX: 
1550 nm) 
SFP+ Ports  Compliant with the following standards: 
•  IEEE 802.3ae compliance 
•  IEEE 802.3z compliance 
All SFP transceivers and WDM (BiDi) SFP transceivers are supported in 
SFP+ ports 
SFP+ Transceivers Supported: 
•  DEM-431XT (10GBASE-SR, multi-mode, 10 km) 
•  DEM-432XT (10GBASE-LR, single-mode, 10 km) 
•  DEM-433XT (10GBASE-ER, single-mode, 40 km) 
•  DEM-434XT (10GBASE-ZR, single-mode, 80 km) 
 
WDM (BiDi) SFP+ Transceivers Supported: 
•  DEM-436XT-BXD (10GBASE-LR, single-mode, 20 km, TX: 1330 nm / 
RX: 1270 nm, without DDM)