SIRIUS
®
TECHNICAL REFERENCE MANUAL
SNR
Signal to Noise Ratio (SNR) is the ratio of the RMS value of the full scale input range to the total RMS
noise measured with the inputs shorted together. The value for SNR is expressed in decibels (dB).
SNTP
Simple Network Time Protocol (SNTP) is a protocol for synchronising the clocks of computer systems
over packet switched, variable-latency data networks. It is a simpler and less accurate version of the
Network Time Protocol (NTP).
Synchronisation cable
These synchronisation cables can be used to synchronise several SIRIUS® chassis with each other.
USB
Universal Serial Bus is a specification to establish communication between devices and a host controller
(usually PCs). SIRIUS® systems use a USB connection to connect to a PC.
Windows®
A PC operating system by Microsoft®. DEWESoft® will work on Windows® XP, Windows® Vista and
Windows® Windows® is a registered trademark of Microsoft Corporation in the United States and other
countries.
SIRIUS
®
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