RM220-111 Digital In/Out/GPIO module, 8 channels

Digital reference level0 dBFS = full scale modulation
Frequency range for measurement20 Hz ... 20 kHz

Digital Inputs

Supported standardsAES3/EBU, S/PDIF (software configurable)
Internal sample rate converters (SRC)yes
SRC input sampling frequency range30 kHz ... 100 kHz
SRC passband ripple< 0.02 dB
Input impedance110 ohm (AES/EBU), 75 ohm (S/PDIF)
Dynamic range (24 bit mode)>120 dB
THD+N (24 bit mode)< -120 dB (-1 dBFS input level) / < 0.0001%
Max. input jitter > 40 ns

Digital Outputs

Supported standardsAES3/EBU, S/PDIF
output impedance110 ohm (AES/EBU), 75 ohm (S/PDIF)
Dynamic range144 dB
Jitter (internal synchronisation source)< 2 ns (peak)
Max. input jitter > 40 ns

General Purpose Inputs / Outputs (GPI/GPO)

4GPIs: non-insulated TTL-Inputs with internal pull up resistor (10k ohms to 5 V)Switch to ground or TTL level (low active), overvoltage protected
4 GPOs: open collector drivers, switches to ground (electronic relay, insulated)max. 0.2 A / 24 V DC, not protected