网络协议Leased Line：Sync up to 2Mbps；LAN Protocols：IP、IPX/SPX、AppleTalk、IPX/SPX Spoofing；Routing Protocols：Static Routes、RIP、OSPF；WAN Protocols：Frame Relay、X.25；
广域网接口one WAN or Internet connection；The synchronous port auto-configures all major interfaces including RS232，X.21，and V.35，in DTE and DCE modes providing leased line support.
局域网接口two Ethernet connections providing organizations with security issues to maintain two separate LANs
