CISCO WS-C3550-12G 
 Specifications See: For more information or more pictures 

 The main parameters 
 Product Type Ethernet Switch 
 Transfer rate 10Mbps/100Mbps/1000Mbps 
 Exchange store - Forward 
 24Gbps backplane bandwidth 
 Port parameters 
 Number of Ports 2 
 Expansion module 10 
 Support full-duplex transmission mode 
 Features 
 Network standard IEEE 802.1x, 10BaseT, 100BaseTX and 1000BastT port IEEE, 802.3x full-duplex, IEEE 802.1D Spanning Tree Protocol, IEEE 802.1p CoS priority, IEEE 802.1Q VLAN, IEEE 802.3 10BaseT specification, IEEE 802.3u 100BaseTX specification, IEEE 802.3ab 1000BaseT specification, IEEE 802.3z 1000BaseX specification, 1000BaseX (GBIC) 
 Stackable stacking feature 
 VLAN support 
 Other parameters 
 Product Size 445 × 404 × 67 
 Product weight 7.2 
 Other parameters SNMP Management Information Base (MIB) II, SNMP MIB extensions, bridge MIB (RFC 1493) 
 Rated Power (W): 190 
 Source: Zhongguancun Online Price Center (detail.zol.com.cn)