Teledyne Q-Lite, Инструкция по установке и эксплуатации

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Q-Lite Satellite Modem Installation and Operating Handbook
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XStream IP™ includes all IP features as standard making it very good value.
The design aim for Paradise’s Q Series modems, of which the Q-Lite™ is one, was to
create the industrys most versatile and bandwidth-efficient satellite modem. Among the
satellite band-width saving features available are:
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Paired Carrier™ , allowing two carriers to be overlapped in the space segment,
saving up to 50% bandwidth.
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DVB-S2 and DVBS2X state-of-the-art Forward Error Correction (FEC)
representing the most bandwidth-efficient FEC technology available.
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Spectral roll-off factors down to 5% , saving up to 15% bandwidth compared
with 20% roll-off.
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IP compression , saving up to 50% bandwidth.
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Adaptive Coding and Modulation (ACM) , saving up to 50% bandwidth.
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TCP Acceleration , enabling up to 93% bandwidth utilization for TCP traffic.
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ClearLinq™ Tx adaptive pre-distorter , providing up to 2dB compensation for
linear and non-linear distortion in the channel.
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9-tap Rx equaliser , providing compensation for linear distortion in the channel,
such as from group delay. The equaliser is automatically switched on in all
modes of operation above 10Msps.
New levels of usability are provided by a leading set of built-in diagnostic tools including
spectrum and constellation monitors that facilitate the detection of any link degradation. In
addition,
LinkGuard™ (U.S. patent 8351495) monitors underneath the received carrier
for any interference, while on traffic.
The
Q-Lite™ modem is backwards compatible with all Quantum and Evolution series
modems.
DVB-S2X , the successor to DVB-S2, is the most efficient and robust coding and
modulation standard available for satellite transmission.
Although the
Q-Lite™ is primarily used for IP links, Paradise’s SmartLink™ technology
allows non-packetized continuous traffic, such as EIA-530 traffic, to also be used with
DVB-S2. The
Q-Lite™ therefore provides a painless migration path to newer, more
efficient communications technology while fully supporting legacy services.
FastLink™ Low-Density Parity-Check (LDPC) Forward Error Correction (FEC) combines
high coding gain with low latency. FastLink™ can therefore be used to replace both
conventional LDPC (which has high latency) and Turbo Product Code FEC (which has a
lower coding gain).
Paired Carrier™ allows space segment reuse. It overlays transmit and receive carriers in
the same space segment reducing satellite bandwidth requirements by up to 50%. It can
be used in addition to, not instead of, other bandwidth saving techniques. It incorporates
ViaSat’s patented PCMA technology, which is protected under U.S. patent numbers
5,596,439, 6,011,952 and 6,725,017.
This handbook will guide you through the process of installing and using your
Q-Lite™
satellite modem.