16-port 10/100mbps fast ethernet unmanaged switch - 16-port 100basetx auto-negotiating (nway) 10/100mbps switch - half-/full-duplex - auto-negotiation of mdi-ii / mdi-x cross over - ieee 802.3x flow control - auto-polarity correction - dynamic buffer allocation for load balancing - optional 2-port 100basefx fibre module (des-102f) - 19" rack mount installation