dCS Puccini U-Clock
User Manual
Software Issue 1.0x
October 2008
Filename: Puccini U-Clock Manual v1_0x.doc
Page 12
English version
S
PECIFICATION
Clock Accuracy
Better than +/-1ppm when shipped (guaranteed for 12 months from shipping)
over a temperature range of 10°C (50°F) to 30°C (86°F), typ/-0.1ppm
when shipped and stabilised.
Start-up time
Starting from 20°C, typically 2 minutes to rated accuracy, maximum 3
minutes. Once warm, the unit recovers from a short power interruption in a
few seconds.
USB input
USB interface on a B-type connector, will accept up to 24 bit PCM at 32,
44.1, 48, 88.2 or 96kS/s. Operates in asynchronous mode.
Word Clock Outputs
4x Word Clock Outputs on 4x BNC connectors, output standard TTL-
compatible word clock at either 44.1 or 48kHz.
SPDIF outputs
2x SPDIF on RCA Phono connectors. Each outputs the same SPDIF data at
the same sample rate that is present on the USB interface, if it is active.
Size and weight
460mm (18.0”) long x 408mm (16.1”) deep x 58mm (2.3”) high, excluding
cable connectors.
7.6kg (16.7lbs).
Power requirements
Internally set to either 100 - 120 or 220 - 240V AC, 49 – 62Hz.
Power consumption: 3W typical, 6W maximum.
These specifications are subject to change without notice.
