Ranger HRC™ operator´s manual – System description
Publ. No. TM 614 006 699 Rev B – ENGLISH (EN) – Oct 30. 2008 11
3.2.3 Junction Box
The Junction Box is the central power and signal distribution hub for the
system. Through this unit, power (+28VDC) is distributed to the main
sub systems. Command, data and control signals are distributed to the
appropriate sub systems for processing. The Junction Box also provides
interface connections to other systems, such as Host Control Systems
HOST). The Junction box has a standard set of features, such as video
output buffers and host communication signal conditioning.
Figure 3.3 Junction Box connections, front side.
Junction Box connections, front side
Callout Description
1 Reserved for future capabilities.
2 Host cable
The Host cable is used when the system is controlled from an external computer.
The Host cable is connected to the J8 connector on the Junction Box.
3 Power cable
The Power cable is connected to the J4 connector on the Junction Box and to the
Power Supply unit.
4 Video cable
The Video cable is connected to the J6 connector on the Junction Box and to an
external video monitor.
NOTE: The J6 connector corresponds to the VIDEO 1 connector (J3) on the
JPC2 unit.
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