
User's Guide ADI-648 © RME
7
MIDI
• 16 channels MIDI
• 5-pin DIN jack
• Optocoupled, ground-free input
• Invisible transmission via User bit of channel 56 (up to 48 kHz)
• Invisible transmission via User bit of channel 28 (96k Frame)
4.2 Outputs
MADI
• Coaxial via BNC, 75 Ohm, according to AES10-1991
• Output voltage 600 mVpp
• Cable length: up to 100 m
• Optical via FDDI duplex SC connector
• 62.5/125 and 50/125 compatible
• Cable length: up to 2,000 m
• Generates 56 channel and 64 channel mode, and 96k Frame
• Single Wire: up to 64 channels 24 bit 48 kHz
• Double Wire / 96K Frame: up to 32 channels 24 bit 96 kHz
• Quad Wire: up to 16 channels 24 bit 192 kHz
ADAT Optical
• 8 x TOSLINK
• Standard: 8 x 8 channels 24 bit, up to 48 kHz
• S/MUX: 8 x 4 channels 24 bit / 96 kHz
• S/MUX4: 8 x 2 channels 24 bit / 192 kHz
Word Clock
• BNC
• Max. output voltage: 5 Vpp
• Output voltage @ 75 Ohm: 4.0 Vpp
• Impedance: 10 Ohms
• Frequency range: 27 kHz – 56 kHz
MIDI
• 16 channels MIDI
• 5-pin DIN jack
4.2 Digital
• Clocks: Internal, ADAT In, MADI In, Word Clock 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)
• PLL ensures zero dropout, even at more than 100 ns jitter
• Additional Bitclock PLL for trouble-free varispeed ADAT operation
• Supported sample rates: 32 / 44.1 / 48 / 64 / 88.2 / 96 / 176.4 / 192 kHz
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