SM6630 and SM6635 Satellite Modulators
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2.6 Powering
Up/Down
2.6.1 General
Before powering up the equipment, confirm that the Modulator has been correctly
installed by checking the following:
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The Modulator enclosure has been installed in a suitable location.
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Power supply range has been checked and the relevant fuse has been set at
the rear panel power inlet connector, and a good earth has been provided.
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The Modulator has been connected to other equipment and the control
terminal, as required.
2.6.2 Powering
Up
With the Modulator correctly installed, power up the unit as follows:
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Power up the Modulator by turning on the local mains supply. The unit
executes a series of power-up initialisation and self-test routines.
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Ensure that all cooling fans are rotating. If they are not, switch off the
equipment immediately.
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Confirm that the front panel green Power LED is illuminated.
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A warm-up period of 60 seconds (IF Output models) or 5 minutes (L-Band
Output models) is required for the internal 10 MHz reference to meet
specification. The Modulator is available for operation after performing
self-tests.
2.6.3 Powering
Down
Power down the Modulator as follows:
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If required, disable the Modulator output by setting the IF Output state to Off
at the relevant control terminal being used to configure the Modulator.
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If required, remove the power supply connection at the rear of the unit.