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--  作者：mourei5928 --  发布时间：2007/5/9 11:23:30 --  Four ports media converter 描述： • Four Twist-pair ports and one Fiber optic port(62114), and five Twist-pair ports(62105) available • Support 10Base-T, 100Base-TX, 100Base-FX • Fully compatible with IEEE802.3 Ethernet and IEEE802.3u fast Ethernet protocols • Support IEEE802.3x flow control protocol and IEEE802.1D Spanning Tree protocol • High-speed MAC address lookup table inside, stored up to 1K MAC addresses • Non-blocking switch core provides high speed forward performance • Up to 5km transmission distance on multi mode optical port and 120km transmission distance on single mode optical port • Twist-pair ports support MDI/MDI-X auto-crossover • Single-strand/dual-strand optical module selectable, FC/SC/ST optical port selectable