User Manual

Overcurrent Protection
Type 1 and Type 2 cable Interface Boxes Interface Boxes are provided with thermistor type overcurrent
protection to supplement the internal overcurrent protection in the sensor. The thermistor is soldered
in place and is not user replaceable.
The Type 3 Interface Box contains a user replaceable 5A mini blade fuse. When replacing this fuse,
use only a Littelfuse - Type 891005 fuse. Use of any other fuse may lead to a risk of fire.
Power Supply
The Interface Box ships with a 24 Vdc power supply and a cordset suitable for use in the U.S and
Canada. Type 1 and Type 2 Interface Boxes are only designed for use with this 24 Vdc power supply
and the Type 3 Interface Boxes are designed to operate from a 12 Vdc source, but a 12 Vdc power
supply is not provided by Ouster.
To select a power supply, it should:
Have a 12 Vdc output voltage rating.
Be capable of delivering at least 3.3A.
Be identified or marked as having a Limited Power Source (LPS) output.
Be safety certified by an acceptable test house in the local region of use using either IEC 60950-1
or IEC 62368-1 (or the EN or other national equivalent).
Be provided with a power supply cordset appropriate for the power supply’s input and the socket
outlets available in the lab space.
Be provided with a 5.5 mm OD barrel type output connector suitable ID for a 2.5 mm OD inner
pin.
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