Dolby Laboratories DP524 - Manual (Page 36)

7-2
Digital Audio Outputs
AES/EBU, 3-pin XLR-type, male, balanced , 110 ohms ±5%, 5V
pp nominal.
S/PDIF, BNC female connector, unbalanced, 75 ohms ±5%, 0.5V pp nominal.
Data Output / Command Input
RS232, Male 9-pin D connector. RS-422, Female 25-pin D connector. These connectors may be
used to load software upgrades into the unit, allow serial control of the unit or to output auxiliary
data. Mode and Baud Rate of the serial ports are set by the rear panel switch.
S101-1 Enable Internal Test Tone Generator
S101-2 Normal/Download Control
S101-3 S/PDIF / AES/EBU select
S101-4 Select Command/Data mode
S101-5 Baud Rate Select 1
S101-6 Baud Rate Select 2
S101-7 Tone sample rate 1
S101-8 Tone sample rate 2
Rear Panel Controls
Output Level trim, 10-turn, each channel is adjustable from -10 to +24dBm Full Scale.
Front Panel Indicators
Signal Presence, CH A
Green indicates that a signal greater than -60dB FS is present on the channel A output.
Signal Presence, CH B
Green indicates that a signal greater than -60dB FS is present on the channel B output.
32kHz
Green indicates that unit is locked to the incoming bitrate and that the sample rate of the
incoming data is 32kHz.
44.1kHz
Green indicates that unit is locked to the incoming bitrate and that the sample rate of the
incoming data is 44.1kHz.
48kHz
Green indicates that unit is locked to the incoming bitrate and that the sample rate of the
incoming data is 48kHz.
Mute
Red LED indicates that there is no incoming clock or the bit stream does not contain
valid audio.
Test
Yellow warns that the Test Tone Generator is selected.
Fault
Red indicates a power supply or processor/memory failure.
Remote Control Inputs
Enable Test Tone
Software Download
Status Outputs
Fault output
Test output
Mute output
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