The DI-701 has one 10/100Mb Dual Speed Ethernet port for connection to a home or small office network and one 10Mb Ethernet port for a DSL Modem, Cable Modem, or other Broadband access device.  It provides the safety and security of both port blocking and a natural firewall.  The unit's Network Address Translator (NAT) supports up to 32 users for sharing a single Internet Connection.