3.3.2
WIRE ASSIGNMENT INFORMATION
INPUT POWER:
Red wire
– Positive DC input +14 to +28 VDC power
Black wire
– Negative DC input / ground
3.3.3
HARNESS VERIFICATION
WARNING:
Failure to install aircraft power and ground wires in the proper wiring configuration will
permanently damage the unit.
Once the cable harness is prepared, prior to connecting the SPTUSBSC, activate the
aircraft power bus and use a multimeter to verify that aircraft power and ground is
supplied with appropriate voltage on the proper wire to be connected to the SPTUSBSC.
3.4
MOUNTING
Prepare the panel cutout using the supplied cutout template
.
FIGURE 3.2
SPTUSBSC Outline Drawing
DO NOT USE above drawing for template (not to scale).
Use template provided.
