Routing
  Drop-in Mode and NAT
  Flexible Custom Outbound Routing Policy
WAN Support
  DHCP, PPPoE, GRE, and Static IP
  Inbound and Outbound Link Load Balance
Device Management
  Wizard & Menu Driven Web Management Interface over HTTP / HTTPS  
  Remote Reporting and Management
  Bandwidth Usage Monitor
  Configurations Upload and Download
Internet Access Sharing
  SUA (Single User Account) / Multi-to-Multi NAT  
  NAT supports PAT (Port Address Translation)
Security
  PPTP VPN Server
  Rules-based Stateful Firewall, with IP, Protocol, and Port filtering
  VPN Encryption: 256-bit AES
  Intrusion Detection System
Physical Interface (Balance 310)
  Three RJ-45 for an IEEE 802.3u 10/100M WAN 
  Four RJ-45 for an IEEE 802.3u 10/100M LAN 
  RS-232 Console / Serial (modem / TA) Port 
Power Specification
  AV Input 100-240V, DC Output 9-30V
Operating Environment
  Temperature: 0°C - 50°C 
  Humidity: 10% - 90% (non-condensing)