THE V-R25P-SDI IS A RACK MOUNTABLE UNIT THAT HAS (10) 2.5" ACTIVE MATRIX LCD PANELS WITH SDI INPUT AND ACTIVE RECLOCKED LOOP THROUGH CAPABILITY. THESE 2.5" PANELS HAVE 480x234 PIXELS PRODUCING A TRUE HIGH RESOLUTION IMAGE. THIS UNIT, AS WELL AS ALL MARSHALL RACK MOUNTED PANELS HAS A UNIQUE FEATURE THAT ALLOWS THE UNIT TO TILT UP OR DOWN FOR OPTIMUM VIEWING ANGLE. THE UNIT FITS INTO AN EIA STANDARD 19" RACK, 3U HIGH. EACH SCREEN HAS NTSC/PAL AUTO-SIGNAL RECOGNITION. IF THERE IS NO VIDEO SIGNAL PRESENT, A BLUE SCREEN WILL APPEAR. UNIT IS TURNED ON AND OFF BY USING THE SMALL TOGGLE SWITCH LOCATED ON THE SIDE OF THE UNIT AND IS ACCESSED BY TILTING THE UNIT DOWN. THE UNIT INCLUDES POWER SUPPLY, INSTRUCTIONS AND DRY ERASE MARKER FOR LABELING SCREENS.