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LMU-2x20™ Hardware and Installation Guide
V1.0.10
December 12, 2010
Copyright ©CalAmp DataCom Inc 2010
- 42 -
CalAmp Proprietary & Confidential
4.4
I/O Descriptions
The LMU-2x30™ provides the following I/O:
Digital Inputs
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Input 0: Ignition Sense (Always biased low)
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Input 1: Generic Digital Input (always biased low)
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Input 2: Generic Digital Input (always biased high)
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Input 3: Generic Digital Input (always biased high
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Input 4: Generic Digital Input (always biased high
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Input 5: Motion Sensor (low = no motion, high = motion)
Analog to Digital Inputs
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A/D 0: External Power Supply Monitor
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A/D 1: Generic External A/D Input
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A/D 2: GPS Antenna Monitor
Outputs:
•
Output 0: Standard Open Collector Relay Output (150mA)
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Output 1: Standard Open Collector Relay Output (150mA)
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Output 2: Standard Open Collector Relay Output (150mA)
1-Wire® Interface
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Temperature Sensor Support
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iButton ID Support (based on S1171 settings)