Installation guide
LMU-4200™ Hardware and Installation Guide  
V1.0.9    November 13, 2010 
Copyright ©CalAmp DataCom Inc 2010
  - 6 -  CalAmp Proprietary & Confidential 
1.3.2  I/O Connector 
The LMU-4200™’s features expanded I/O capabilities via its 22-Pin Molex 43045-2202 
connector. Its pin-out is as follows: 
Pin  Signal Name  Description  Standard Cable Color  Input or Output 
1  Input 1  Input 1 – Digital Input  Blue  Input 
2  Input 2  Input 2 – Digital Input  Orange  Input 
3  Input 3  Input 3 – Digital Input  Violet  Input 
4  Input 4  Input 4 – Digital Input  Gray  Input 
5  Input 5  Input 5 – Digital Input  Green & White  Input 
6  Input 6  Input 6 – Digital Input  Blue & White  Input 
7  Input 7  Input 7 – Digital Input  Black & White  Input 
8  1BB T Data  1 Bit Bus Data (T)  Green & Black  Input/Output 
9  1BB GND  1 Bit Bus Ground  Black  Ground 
10  1 BB R Data  1 Bit Bus Data (R)  Orange & Black  Input/Output 
11  1 BB Gnd  1 Bit Bus Ground  Black  Ground 
12 Output 0    Green  Output 
13 Output 1    Brown  Output 
14 Output 2    Yellow  Output 
15  Output 3    Blue & White & Orange  Output 
16  Output 4    Green & Black & Orange  Output 
17  LED 1    Red & Green  Output 
18  LED 2    Orange & Green  Output 
19  ADC 2    Black & Red  Input 
20  ADC 3    White & Red  Input 
21  ADC 4    Orange & Red  Input 
22  ADC 5    Blue & Red  Input 
Figure 3 - LMU-4200™ Header (looking into LMU) 
CalAmp offers a 6”, 20 wire harness assembly for this connector (Part Number5C889) 










