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The Alpermann+Velte Rubidium "SL" module is an automatic switchover unit for
LTC signals. It analyzes and monitors two LTC sources. If a LTC source is lost, the
LTC output is automatically switched to the other error free source. Connected with a
reference time source, the LTC signal is monitored and analyzed in conjunction
with this reference time. The module offers a monitor function for errors in the LTC,
errors in the reference time source, for time differences between the two individual
LTC sources and for the status information of all input sources.
If an Ethernet module is present in the system, the status and error messages can be
queried via a browser or SNMP. When a "SL" module is combined with two of our
master generators RUB "GT" or RUB "GL", a fully redundant fail-safe LTC generator
system is possible. One or both LTC input sources can also be acquired from external
non Alpermann+Velte devices as long as the LTC signal complies with the SMPTE/
EBU format rules.
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