SIERRA WIRELESS AirLink LX40 Enterprise LTE Router User Guide

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AirLink LX40 Series Hardware User Guide  

Step 6—I/O Configuration  

You can use Pin 4 on the LX40 power connector for I/O configuration.  

4

Power Connector  

Figure 2-11: I/O Pin-out for the LX40 Power Connector  

You can use the I/O pin as:  

· Pulse counter  

(See Table 2-3 on page 25 and Figure 2-12 on page 25.)  

· Digital input  

(See Table 2-3 on page 25 and Figure 2-13 on page 26.)  

· High side pull-up/dry contact switch input  

(See Table 2-5 on page 27 and Figure 2-14 on page 27.)  

· Analog input  

(See Table 2-6 on page 28 and Figure 2-15 on page 28.)  

· Low side current sink  

(See Table 2-7 on page 29 and Figure 2-17 on page 29.)  

· Digital outputs/open drain  

(See Table 2-8 on page 30 and Figure 2-18 on page 30.)  

For more information, refer to the ALEOS Software Configuration User Guide.  

Note: You can configure the GPIO Pin 4 in ACEmanager or ALMS to trigger standby mode, to sink  

current, or to pull up the voltage. If you are using the I/O line to trigger standby mode, you cannot  

configure it to sink current or pull up the voltage. Likewise, if you are using the I/O line to either sink  

current or pull up the voltage, you cannot use it to trigger standby mode.  

Note: During bootup, the I/O settings remain in their default state: the internal pull-up resistor is  

disabled, and output current sink switch is open. After bootup, any custom I/O settings are applied.  

This may take approximately 30 seconds after the gateway is restarted or powered on.  

Rev. 4 January 2022  

24  

41112510  

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Name	SIERRA WIRELESS AirLink LX40 Enterprise LTE Router User Guide
Make	SIERRA WIRELESS
Language	English
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