Layer 2 switch 16 or 24 ports per switch Full/half-duplex support for each port No need to use uplink ports - DES-1016R+ supports autopolarity Dynamic buffer allocation for each port Wire-speed filtering/forwarding rates Auto-correction of reverse twisted-pair polarity Config port for configuration setup Internal universal power supply 19-inch standard rack-mount width FCC Class A, CE Mark, VCCI Class A, C-Tick, BSMI Class A UL, CSA, TUV/GS