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9/28/23, 4:30 PM
4 LMU-5541™Connectors
The LMU-5541™ offers 22 connectors to access power, I/O, serial communications and other expansion capabilities. These connectors are:
SIM access
SIM Access Slot
Cellular main SMA
External GPS SMA (with tamper monitoring, 3.0v)
External WiFi SMA RP
2X Ethernet10/100 RJ45 USB Host Type A
USB On-The-Go (mini) Serial (RS232/485) DB-9
Serial 5 Pin Molex (switch power TTL Levels) Power, Ignition, I/O 4-Pin Molex
I/O connector 22-Pin Molex
4.1 Power Connector
The LMU-5541™ uses a 4 pin Molex 43045-0402 connector as its power connection. The pin out is as follows:
Pin
Signal Name
1
VIN
2
GND
3
ADC1
4
INPUT 0
https://puls.calamp.com/wiki/LMU-5541_Hardware_%26_Installation_Guide
LMU-5541 Hardware & Installation Guide - PULS Wiki
Description
Power
Ground
Analog to Digital Input 1
Input 0 / Ignition Sense – Digital Input
LMU-5541™ Header (looking into LMU)
5C888 Color
Input or Output
Red
Power / Input
Black
Ground
Green
Input
White
Input
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