... one 100Mbps or Fiber port, or five 10/100Mbps Ethernet portgigabit speed Ethernet ports also suppliedSupport IEEE802.3, IEEE802.3u, IEEE802.3z ... , unmanaged typeF6-2105 10/100Mbps with five twist-pair ports, managed typeF6-2005 10/100Mbps with five twist-pair ports, unmanaged ... /1000Mbps with four twist-pair ports and backup optic port, managed typeF6-G20B4 10/100/1000Mbps with four twist-pair ports ...