Motorola External Cable Modem (SB4200) DOCSIS 1.0 CableLabs Certified (upgradable to DOCSIS 1.1) New user-friendly, top-mounted stand-by button for additional end-user security USB and Ethernet connections Ethernet and USB are bridged allowing LAN traffic between USB device and Ethernet LAN Compatible with Windows 95, 98, 2000, Me, NT, XP, Mac, and UNIX operating systems