Advantage  1 channel digital, uncompressed and real-time HD-SDI Video  1 channel RS-485 (RS-232/RS-422) control data  Support SMPTE 259M / SMPTE 344M  Support embedded audio  HD-SDI/3G-SDI optional  Without software pre-set, plug and play  Stand-alone, 1U rack mount or 4U rack mount (optional).  More power supply and LED indicator light