XTP II CrossPoint 6400 Frame Modular Digital Matrix Switchers from 4x4 to 64x64 with SpeedSwitch Technology, North America NEMA L6-20 Power Plug XTP II CrossPoint 6400 Frame Modular Digital Matrix Switchers from 4x4 to 64x64 with SpeedSwitch Technology, North America NEMA L6-20 Power Plug