product description : 3com baseline switch 2016 ports : 16 autosensing, auto-configuration mdi/mdix 10base-t/100base-tx interfaces : rj-45 mac addresses supp : 4,000 dimension (h x w x d) : 44 x 440 x 173 mm weight : 1.5 kg * full-rate nonblocking on all ethernet ports * wirespeed performance across all ports * store-and-forward switching * auto-negotiation of port speed and duplex * ieee 802.3x full-duplex flow control