描述： Provides 28 total ports: (20) 10/100/1000BASE-T UTP, (4) dual-media UTP/SFP, and (4) SFP+ dual-speed 1-/10-Gbps. Powers 802.3af PoE or 802.3at PoE+ wireless access points, security cameras, VoIP phones, remote sensors, and other devices. Scalable. Add 10-GbE SFPs+ only when you need more capacity while maintaining 100-/1000-Mbps fiber/copper links.
规格： Flexible. SFP/SFP+ slots enables you to define distances from 500 meters to 10 kilometers. Applicable for data backhaul applications. Lends itself to enterprise and government networking as well as manufacturing and hospitality. Full SNMP management plus Web-based management. Support for VLAN and QoS. 802.3az Energy-Efficient Ethernet saves on power costs.
