Power Connector On The Rv50 Series Gateway - Sierra Wireless AirLink RV50 Series Hardware User's Manual

For DC installations (with a fixed "system" ground reference), Sierra Wireless strongly
recommends always grounding the RV50 chassis to this system ground reference.
To ensure a good grounding reference, either:
•
•
Note: In some gateways the upper left mounting hole is painted. If you use the mounting screw and
washer included with your gateway, this mounting hole still provides an effective ground, as the
washer removes enough paint to allow contact between the wire and the metal chassis.

Power Connector on the RV50 Series Gateway

Green
Pin 4
GPI/O
Figure 3-5: DC Power Cable Connections (Colors indicate DC cable wire colors.)
Table 3-3: Power Connector Pin and DC Cable Wires
Pin Name
Cable Wire Color
1 Power
2 Ground
Rev. 6 October 2021
Attach the RV50 to a grounded metallic surface.
Connect one end of a short 18 AWG or larger gauge wire to the unpainted upper left
mounting hole (see Figure
reference or (if mounted in a vehicle) the vehicle chassis.
Optional:
Connect to
switch, relay
or external
device
Associated DC Description
Red Main power supply for device
Note: When the gateway switches to Low Power mode based
on a Low Voltage trigger, the voltage is monitored on the Red,
Power wire.
Black Main device ground
3-4) and connect the other end to the system ground
White
Pin 3
Ignition Sense
Black
Pin 2
Ground
For more information, see wiring
diagrams on page 29.
27
Installation and Startup
Ignition switch or external
solar power low voltage
disconnect device
Red
Pin 1
Power
4.0 A fast-acting
fuse
- +
Battery
Type
PWR
PWR
4117313