The Cisco 1721 T1 Router has a modular design with one T1 CSU/DSU, one available WAN interface slot, and one autosensing 10/100 Fast Ethernet port. The Cisco 1721 is designed for high-speed business-class performance and includes Inter-virtual LAN (VLAN), VPN access with firewall option, and supports EIGRP and OSPF advanced routing protocols.

The Siemens 5940 Business Gateway combines a T1 CSU/DSU and an eight-port 10/100 Ethernet switch to deliver high-speed Internet access and site-to-site communication. It also enables managed services such as firewalls and Virtual Private Networks (VPNs), IP Quality of Service (QoS), and high availability for small to medium-sized businesses and enterprise branch offices.

The Netopia 4622XL T1 Router combines a T1 CSU/DSU with built-in VPN acceleration and an eight-port 10/100 Ethernet switch. The Netopia 4622XL-T is ideal for broad-based deployment by small, medium, and distributed enterprises using our T1 Services.