Main features In conformity to IEEE 802.3 10 Base-T standard. In conformity to IEEE 802.3u 1000 Base-TX, IEEE802.3z, IEEE802.3abstandard Built in high efficiency SRAM for packet buffer, with 1K-entry lookup table and 4-way associative hash algorithm Half duplex: back pressure flow control Full duplex: IEEE802.3x flow control Automatic identification of MDI/MDI-X cross line Technical parameter: Standard protocol: IEEE802.3 10 Base-T standard, IEEE 802.3u 1000Base-TX and IEEE802.3z standard Connector: one UTPRJ-45 connector, one SC/ST connector Operation mode: full duplex mode or half duplex mode Power supply parameter: Adapter(External): 110-265V AC input, 5V1A DC output Power(Internal): 110-265V AC input, 5V1A DC output Environmental temperature: 0 - 50 Relative humidity: 5%-90% TP cable: Cat5 UTP cable Transfer fiber: multi-mode: 50/125, 62.5/125 or 100/140ª¦m single mode: 8.3/125, 8.7/125, 9/125 or 10/125 Dimensions: Power external: 94mm(L)x 71mm(W) x 26mm(H) Power internal: 150mm(L) x 110mm(W)x 28mm(H)