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Chapter 2
Fuse
Power cable
System power requirements
There is one power connection on the IDU. This must be
connected to a 12 or 24 Vdc power supply.
Power requirements and consumption are as follows:
Table 5. System power requirements
Voltage Input Minimum
Voltage Input Maximum
Total Current for ODU, and IDU (Max.)
Required Fuse
The fuse is a 15 Amp, fast blow, ATO blade fuse. The installed
part is from Littelfuse, part number 0257015. To replace the
fuse, pull fuse out of fuse holder (pliers may be needed to grip
fuse) and press new fuse into fuse holder.
The power cable uses a Phoenix contact #1718384 PC5/3
STCL-7, 62 connector, and the pinout is shown in Table 6.
Table 6. Power cable pinout
Color
red
white
black
The optional accessory car adapter power cable, Hughes' part
number 3500472-0002, includes a car adapter plug with a
20 Amp, 250 V fuse, and the ignition sense wire is connected to
the positive power wire in the plug.
10 V
32 V
12 A
15 A
Function
DC +
Ignition Sense
DC -
• System power requirements
3004129 Revision A
7
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