The SMPTE Slave Driver (MH034, SSD) is a synchonization peripheral used to resolve Digidesign systems to LTC/SMPTE.Supported Interfaces: 888 I/O, 882 I/O, 882 Studio, 442 I/O, ProMaster 20.Sample Rates: 44056 (44.1k Pull Down), 44100, 44144 (44.1k Pull Up), 47952 (48k Pull Down), 48000, 48048 (48k Pull Up).LTC Input: Balanced XLR female connector, -20 to +22 dBu level, 200k differential input impedance.LTC Output: Balanced XLR male connector, 2.5V p-p balanced (+3.8 dBu RMS), <100ohms output impedance.Slave Clock Output: 256 times Sample Rate, HCTTL level, 75ohms BNC connector.Slave Clock Input and Output: 256 times Sample Rate, HCTTL level, 75ohms BNC connector.External Clock Input: 1x or 256x Sample Rate (rear panel switch selectable), HCTTL level, 75ohms BNC connector.MIDI MTC Output: 5-Pin DIN connector, MIDI current loop.Mac MTC Output/SysEx Input: 8-pin mini DIN connector, RS-422 levels, 1MHz clock rate.MIDI SysEx Input: 5-pin DIN connector, MIDI current loop, reverse polarity protected rear panel switch selectable Mac/MIDI.Varispeed Range: Nominal rate +/-10%.Lock Indication: LED lights when total position error is less than +/- 5 LTC cells (+/- .0625 frames).Speed Calibration: LED lights steadily when Slave lock Output freq is equal to 256 times the nominal Sample Rate +/- 250 pp.AC Input: 90 to 260 VAC, 47 to 63 Hz, 43 W max.Dimensions & Weight: 1U external rack mount device, 19" x 10.5" x 1.7", 4.1 lbs.Freewheel Range: Approximately 10 - 20 frames.