... , port shutdown enable/disable, port bandwidth setting from 0 to 100Mbps, Log & alarm information management, etc. With inside management module, ... size up to 1916 bytesEthernet ports support 10Mbps100Mbps or 10/100Mbps, half/full duplex auto-negotiationFiber optic port MM/SM, ... pair ports and backup optic port, managed typeF6-20B4 10/100Mbps with four twist-pair ports and backup optic port, ...