CISCO 2851 
 Specifications See: For more information or more pictures 

 Basic parameters 
 Type of multi-service router router 
 IEEE 802.3x network protocol 
 Transfer rate 10/100/1000Mbps 
 Modular structure of port 
 LAN interface 2 
 Other control port Console port 1 
 Expansion Module 4 
 Function parameters 
 Firewall built-in firewall 
 Qos support support 
 Support VPN Support 
 Network Management Network Management Protocol Cisco ClickStart, SNMP 
 Other parameters 
 Maximum 1024MB RAM products 
 Supply voltage AC 100-240V ,47-63Hz 
 Product Dimensions 416.6 × 438.2 × 88.9mm 
 Product Weight 11.4kg 
 Environmental standard operating temperature :0-40 ℃ 
 Humidity: 5% -95% (no condensation) 
 Storage temperature: -20-65 ℃ 
 Storage humidity: 5% -95% (no condensation) 
 Source: Zhongguancun Online Price Center (detail.zol.com.cn)