Appendix A - Lmu-26Xx Accessory Cables And Pigtail Wiring Instructions; Primary Connector - Cal Amp LMU-26xx Install Manual

CalAmp | LMU-26xx Install Guide
APPENDIX A – LMU-26XX ACCESSORY CABLES AND PIGTAIL
WIRING INSTRUCTIONS

PRIMARY CONNECTOR

The LMU-26xx uses a Male (pin) Molex Micro-Fit 3.0TM Dual Row, 20 circuit header to receive power,
ground and supply input and output signals. The pin out is as follows:
Signal
Wire
Name
1 GND
2 OUT-0
3 IN-1
4 TXD
5 ADC-1
6 IN-3
7 IN-4
8 IN-0
9 V
DD
OUT-
10
1/BOOT
11 OUT-2
12 IN-2
13 RxD
14 V
CC
15 GND
16 1BB-GND
17 1BB-D
18 AUX-TxD
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Description
Ground
Output 0 –Started Disable
Relay Driver
Input 1 – Digital Input
Host TxD
Analog to Digital Input 1
Input 3 – Digital Input
Input 4 – Digital Input
Input 0
VDD Reference Output (20-
25mA Max)
Output 1 – Digital Output
(Open Collector)/BOOT Input
Output – 2 Digital Output
(Open Collector)
Input 2 – Digital Input
Host RxD
Primary Power Input
Primary Ground
1 Bit Bus Ground
1-Bit Bus Data
Aux Port – Transmit Data
Color
Black (22 AWG) Ground
Green (22 AWG) Output
Blue Input
Blue Input
Pink Input
Violet Input
Grey Input
Ignition Input Required
White
Orange (22 AWG) Output
Brown (22 AWG) Input/Output Not Used
Yellow (22 AWG) Output
Orange (22 AWG) Input
Green (22 AWG) Output
Red (20 AWG) Power
Black (20 AWG) Ground
Black (22 AWG) Ground
Input/Output Not Used
White/Blue
White/Orange Input
Input or
Usage
Output
AUX1
Not Used
Optional
AUX1
Not Used
Optional
Optional
AUX1/AUX2
Not Used
Optional
AUX1
Required
Required
Not Used
AUX2
MBUD-0199v3.3