Chapter 2
Installing the Device
RUGGEDCOM RSG909R
Installation Guide
14 Connecting AC or DC Power
NOTE
For examples of the supported wiring configurations, refer to Section2.6.2, “Wiring Examples”.
NOTE
This device is intended to be connected to two independent power sources.
WARNING!
Electrocution hazard – risk of personal injury. When only one AC power source is connected to the
device, the secondary power terminals are energized. To prevent contact with the terminals and avoid
an electrical shock, do the following when one AC power source is connected to the device:
• Make sure a terminal block is installed in the unused port and that any wires from the secondary
terminal block are properly terminated
• Make sure the first power source is off before connecting (or disconnecting) a second power source
1. If connecting a secondary power source, make sure the power source currrently connected to the device is
disabled (e.g. the AC power cable is unplugged from the wall receptacle).
2. Insert the appropriate terminal block(s) into the device and tighten both screws.
Power Source Terminal Block Type
HI 3 POS
LO 5 POS
Figure9:Assembling the Power Terminal Blocks
IMPORTANT!
Torque all terminal connections to 0.6 N·m (5 lbf-in).
3. Connect the power cable to the device as follows:
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