DL-DWR-921/E3GR4HD

L2+ Managed Switch with 48 10/100/1000Base-T ports and 2 10GBase-T ports and 4 10GBase-X SFP+ ports (48 PoE ports 802.3af/802.3at (30 W), PoE Budget 370W, PoE Budget with RPS DPS-700 740W)

1-port mini-GBIC LX Single-mode Fiber Transceiver (up to 10km, support 3,3V power), DDM support

4-port USB 2.0 Hub