AirLink RV50 Series Hardware User Guide
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4117313
Grounding the RV50 Series Gateway Chassis
For DC installations (with a fixed “system” ground reference), Sierra Wireless
strongly recommends always grounding the RV50
Series gateway chassis to this
system ground reference. To ensure a good grounding reference, use a short wire
with a gauge of 18 AWG or larger connected to one of the mounting screws.
Power Connector on the RV50 Series Gateway
Figure 3-4: DC Power Cable Connections (Colors indicate DC cable wire colors.)
GPIO
Pin 4
Pin 3
Ignition
Pin 1
Power
Green
Red
White
Sense
Black
Pin 2
Ground
For more information, see wiring diagrams on
.
Table 3-3: Power Connector Pin and DC Cable Wires
Pin
Name
Associated DC
Cable Wire Color
Description
Type
1
Power
Red
Main power supply for device
Note: If you want to turn the RV50
Series gateway
on/off using a
control line, such as a vehicle ignition line, Sierra Wireless
strongly recommends that you connect the control/ignition line to
Pin 3 and apply continuous power on Pin 1.
PWR
2
Ground
Black
Main device ground
PWR
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