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DMD SCU
Input of the SCU
30V-55V
3.3A
Output of SCU
42.5V
2.5A
Output of External AC/DC PSU
S12445
*
*subject to change
48V
3.13A
Internal Batteries (x2)
Capacity 5500mAh \ Energy 198Wh
Charging Instructions
The internal batteries will automatically charge with the application of input
power. The battery charging will occur regardless of the SCU power button
being in the ON or OFF position. A full charge cycle will take 5 hours.
Charging Status LED (Amber)
This will be illuminated during the charge cycle of the internal batteries. The
LED will be OFF when the batteries are fully charged.
Charging Warning LED (Red)
This will be illuminated if the charge cycle is paused due to the temperature of
the batteries being outside their charging temperature range of 0°C to 45°C or
if a battery fault is detected.
Battery Charge Status during operation
During SCU operation, the charge status (%) of the batteries is provided to Genesis software.
Comms
Connect a Toughbook USB port to the SCU COMMS port at the back panel via a USB (A-type) to
USB (B-type) cable.
Comms LED (Green)
This indicates communication activity between the SCU and the DMD system below the water (subsea
computer).
Diver Audio
Pass through of 2 wire diver coms to a separate diver coms box (not provided)