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S2 User Handbook
3
3 Power Supply
S2-PSU Power Supply (Old Version)
Each S2 is shipped with a separate power supply in protective packaging and should be
inspected for damage before use. Where an item is found to have transit damage, notify the
carrier immediately with all the relevant details of the shipment. Packing materials should
be kept for inspection.
Fig 3-1 : S2-PSU Front Panel.
Front Panel
The S2-PSU is a 2U high rack-mount unit, which can supply power to the entire range of S2
mixers. A lead with a special 9 pin D-Type socket (see Fig 2-9) on each end is used to connect
the power supply to the mixer.
The power supply should be installed where there is adequate ventilation for heat to
circulate from the rear of the unit. The mixer has a heat sink attached to the rear panel,
which radiates some heat.
Four LED’s on the front of the unit indicate whether the power to the four voltage rails is
being supplied correctly. If one of the LED’s fails, then there is a problem with the power
supply unit.
Fig 3-2 : S2-PSU Rear Panel.
POWER SUPPLY
POWER SUPPLY
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