The Adtran NetVanta 3200 (1203860G1) is a small desktop router meant for smaller businesses and offices. The NetVanta 3200 is a modular router with a network interface module (NIM) slot in the rear of the router. This version of the router has no NIM included. A 10/100 Ethernet LAN interface is also included for connecting your router to your core network. A built in stateful inspection firewall is included to protect your network. Other Enterprise level features include Quality of Service, PPP dial backup scheme, NAT, and access to a web GUI