49" HDMI (2), DVI-D, RGB, USB 2.0, Audio in, Audio out, External Speaker out (no speakers w/ unit), RS232C (In/Out), RJ45, IR Receiver, USB Content Scheduling, SNMP Support, Wi-Fi Ready (Dongle), PM Mode, No Signal Image Setting, ISM Mode, Holiday Schedule, Local Time Auto Setting, Fail Over (USB, RGB, DVI, HDMI), Wake on LAN