8 ground the gateway, 9 power supply, Ground the gateway – Robustel M1000 Pro V2 User Guide User Manual
Page 18: Power supply

Robustel GoRugged M1000 Pro V2 User Guide
 
RT_UG_M1000 Pro V2_v.2.0.0 
19.11.2013
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Confidential
2.8
Ground the Gateway
Grounding and wire routing help limit the effects of noise due to electromagnetic interference (EMI). Run the ground 
connection from the ground screw to the grounding surface prior to connecting devices. 
Note: This product is intended to be mounted to a well-grounded mounting surface, such as a metal panel.
2.9
Power Supply
 
 
 
 
The power supply range is 9 to 36VDC. 
Note: Please take care about the polarity, and do not make reverse connection. 
