Rev A
Page 1
JA74-001 Dual USB Charging Port
SECTION 1 - DESCRIPTION
1.1
System Overview
The JA74-001 Dual USB Charging Port allows the aircraft owner /operator to use an unused portion of the instrument
panel for charging portable devices such as cell phones.
The JA74-001 includes two USB 2.0 Type A receptacles with a power supply (5 Volt, up to 2.1 Amp per port).
1.2
Features Overview
The JA74-001 is painted in a baked-on flat black urethane finish to resist scratches and nicks during use.
1.3
Inputs and Outputs
Refer to the JA74-001
connector map
for the mating connector designators and pin assignments for the
input and output signals.
1.3.1
Inputs
Name
Qty
Type
D+ and D-
4
Charge sense
POWER INPUT
1
+ 28 Vdc power
SPARE
1
Spare
1.3.2
Bi-Directional Ports
Name
Qty
Type
AUDIO LEFT, AUDIO RIGHT
2
Audio I/O connector, audio
RESERVED
1
Audio I/O connector, reserved
AUDIO LEFT, AUDIO RIGHT
2
Main connector, audio
RESERVED
1
Main connector, reserved
1.3.3
Output
Name
Qty
Type
+5VDC
2
USB power output
1.4
Specifications
1.4.1
Electrical Specifications
Power Input
Primary nominal voltage
28.0 Vdc
Maximum voltage
32.2 Vdc
Minimum voltage
22.0 Vdc
Emergency voltage
18.0 Vdc
Power Input - Off
≤ 14 Vdc
Overvoltage
≥ 42 Vdc for ≥ 5 min
Input current at 28 Vdc ≤ 1.5 A
