Standars: ANSI T1.413, ITU G.992.1/ G.992.2/ G992.3/ G.992.5/ G.994.1, IEEE 802.3/ 802.3u Interface: 10/ 100MRG45 AutoMDI/ MDIX Lan Port Security: Built-in SPI and NAT firewall, MAC/ IP/ URL filter Dimension: 5.5 x 3.6 / 1.1 in. ( 140 x 92 x 29 mm)