Fixed Installation - Sierra Wireless AirLink RV55 Hardware User's Manual

AirLink RV55 Hardware User Guide
Figure 2-8: Alternate Vehicle Installation
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Fixed Installation

For fixed installations, connect the wires as shown in the figure below. You can configure
Low voltage disconnect to force the router into Standby mode when the voltage is low.
Note: When the router switches to Low Power mode based on a Low Voltage trigger, the voltage is
monitored on the Red, Power wire.
Figure 2-9: Fixed Installation without I/O
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Rev. 1 June 2019
Battery
Ignition
Engine compartment
Vehicle firewall
Pin 1 (Power) —Use the red wire in the DC cable to connect Pin 1 to the power
source. Include a 4.0 A fast-acting fuse in the input power line. Sierra Wireless recom-
mends using a continuous (unswitched) DC power source.
Pin 2 (Ground)—Use the black wire in the DC cable to connect Pin 2 to ground. See
also Grounding the RV55 Router Chassis
Pin 3 (Ignition Sense)—Connected to power
Pin 4 (I/O)—Connected to ignition
4 A fuse
DC Power Source
Pin 1 (Power) —Use the red wire in the DC cable to connect Pin 1 to the power
source. Include a 4.0 A fast-acting fuse in the input power line. Sierra Wireless recom-
mends using a continuous (unswitched) DC power source.
Pin 2 (Ground)—Use the black wire in the DC cable to connect Pin 2 to ground. See
also Grounding the RV55 Router Chassis
Pin 3 (Ignition Sense)—Connected to power
Vehicle fuse box
4 A fuse
1 Power
3 On/Off
4 I/O
2 Ground
Vehicle cabin
on page 19.
1 Power
3 On/Off
RV55
4 I/O
2 Ground
on page 19.
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RV55
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