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