product description : 3com officeconnect fast ethernet switch 16 ports : 16 autosensing 10/100 ethernet media interfaces : 10/100base-tx/rj-45 ethernet switching features: store-and-forward; full-/half-duplex autonegotiation dimension (h x w x d) : 40 x 208 x 160 mm * 16 autosensing ports automatically detect the speed of the attached device to maximize network performance * auto mdi-mdix on every port simplifies network expansion * with plug-and-play installation and no configuration needed, it fits easily in unmanaged network * full-duplex feature supports two-way data transfer, doubling the effective bandwidth of the network