ENCORE ENDSL-A2+R2 ADSL 2+ Modem with 1-Port Ethernet Router Power Requirement: 110 10 VAC or 220  VAC Input - 12VDC 1A Output Supported OS: Windows 98SE, ME, 2000, XP, Windows Vista, MAC OS X Command-line Interpreter (CLI) via serial interpreter or Telnet over Ethernet Telnet Remote Management Firmware upgrade via FTP/TFTP; Support SNMP