Serial Interface Connectors - Cal Amp LMU-4200 Hardware And Installation Manual

LMU-4200™ Hardware and Installation Guide

1.3.3 Serial Interface Connectors

The LMU-4200™ offers 2 serial interface connections (Host/Aux1 and Aux 2) on its front
face. These are provided via 2 Molex 43650-0501 connectors using the following pin outs.
Pin Signal Name
1 VIN_FILT
2 VCC3V3
3 Ground
4 TX
5 RX
Users should only use CalAmp approved serial adapters with these connections. (Part
Number 133337-5 and 133564-1)
V1.0.9
Copyright ©CalAmp DataCom Inc 2010
Description
Filtered LMU Power
3.3V Power
Ground
Transmit Data
Receive Data
Figure 4 – Serial Interface Connector
Figure 5 - LMU-4200™ Serial Cable Plugged into Aux 1
Input or Output
Power Supply
Power Supply
Ground
Input to LMU
Output From LMU
CalAmp Proprietary & Confidential
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November 13, 2010