Sierra Wireless AirLink ES Series Hardware User's Manual page 33

Green
Pin 4
GPI/O
Optional:
Connect to switch, relay
or external device
Table 3-2: Power Connector Pin and DC cable Wires
Pin Name
Cable Wire Color
1 Power
2 GND
3 IGN Sense
4 GPIO
Rev 4 Aug.15
ES Series gateway
Black
Pin 2
Ground
Figure 3-3: DC power cable connections (Colors indicate DC cable wire colors.)
Associated DC Description
Red Main power supply for device
Black Main device ground
White Ignition Sense: Connected to the vehicle ignition or an external
switch, for example on a low voltage shutdown. When the ES
gateway is connected to a low voltage monitor, the ES gateway
is off when this pin is either open-circuit or grounded, and on
when this pin is connected to power.
Green User configurable digital input/output or analog voltage sensing
input. Connect to switch, relay or external device. Maximum
rating is 30 V, 150 mA. For more information, see
Purpose I/O)
User Guide.
Pin 4 (General Purpose I/O)
This pin is a digital input/output (green wire on DC cable).
Pin 4 either:
• Monitors digital inputs and outputs
• Drives a relay
White
Pin 3
Ignition Sense
Red
Pin 1
Power
on page 33 and the ALEOS Software Configuration
On-site Installation and Setup
Ignition switch
2.0 A fast-acting
fuse
- +
Battery
Pin 4 (General
Type
PWR
PWR
I
I/O
33