RME Audio Fireface 400 - MIDI; Digital; Digital Inputs

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User's Guide Fireface 400 © RME
DA – Phones, 7/8, front
• as DA, but:
• Output: 6.3 mm TRS jack, unbalanced
• Output impedance: 30 Ohm
36.2 MIDI
• 2 x MIDI I/O breakout cable with 4 x 5-pin DIN jacks
• Galvanically isolated by optocoupled input
• Hi-speed mode: Jitter and response time typically below 1 ms
• Separate 128 byte FIFOs for input and output
36.3 Digital
• Clocks: Internal, ADAT In, SPDIF In, word clock in. Optional LTC/Video in
• Low Jitter Design: < 1 ns in PLL mode, all inputs
• Internal clock: 800 ps Jitter, Random Spread Spectrum
• Jitter suppression of external clocks: > 30 dB (2.4 kHz)
• Effective clock jitter influence on AD and DA conversion: near zero
• PLL ensures zero dropout, even at more than 100 ns jitter
• Digital Bitclock PLL for trouble-free varispeed ADAT operation
• Supported sample rates: 28 kHz up to 200 kHz
36.4 Digital Inputs
AES/EBU - SPDIF
• 1 x RCA, transformer-balanced, galvanically isolated, according to AES3-1992
• High-sensitivity input stage (< 0.3 Vpp)
• SPDIF compatible (IEC 60958)
• Accepts Consumer and Professional format, copy protection will be ignored
• Lock Range: 27 kHz – 200 kHz
• Jitter when synced to input signal: < 1 ns
• Jitter suppression: > 30 dB (2.4 kHz)
ADAT Optical
• 1 x TOSLINK
• Standard: 8 channels 24 bit, up to 48 kHz
• Sample Split (S/MUX): 8 channels 24 bit / 48 kHz, equalling 4 channels 24 bit 96 kHz
• Bitclock PLL ensures perfect synchronisation even in varispeed operation
• Lock Range: 31.5 kHz – 50 kHz
• Jitter when synced to input signal: < 1 ns
• Jitter suppression: > 30 dB (2.4 kHz)
Word Clock
• BNC, not terminated (10 kOhm)
• Switch for internal termination 75 Ohm
• Automatic Double/Quad Speed detection and internal conversion to Single Speed
• SteadyClock guarantees super low jitter synchronization even in varispeed operation
• Not affected by DC-offsets within the network
• Signal Adaptation Circuit: signal refresh through auto-center and hysteresis
• Overvoltage protection
• Level range: 1.0 Vpp – 5.6 Vpp
• Lock Range: 27 kHz – 200 kHz
• Jitter when synced to input signal: < 1 ns
• Jitter suppression: > 30 dB (2.4 kHz)