9/27/2017
LMU-3640 Hardware & Installation Guide - PULS Wiki
https://puls.calamp.com/wiki/LMU-3640_Hardware_%26_Installation_Guide
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Pin
Signal Name
Description
Input or Output
1
Input 1
Input 1 – Digital Input
Input
2
Input 2
Input 2 – Digital Input
Input
3
Input 3
Input 3 – Digital Input
Input
4
Input 4
Input 4 – Digital Input
Input
5
ADC 1
Input 5 – Analog to Digital Input
Input
6
ADC 2
Input 6 – Analog Digital Input
Input
7
AUX1 TX
Input 7 – Digital Input
Input
8
AUX1 RX
1 Bit Bus Data (T)
Input
9
GND
1 Bit Bus Ground
Power
10
GND
1 Bit Bus Data (R)
Power
11
GND
1 Bit Bus Ground
Power
12
12V OUT SW
Output 0 - Starter Disable Relay Driver
Output
13
Input 0
Output 1 - Digital Output
Input
14
VCC 3V3 AUX1
Output 2 - Digital Output
15
VCC 3V3 AUX2
Output 3 - Digital Output
16
1BB T DATA
Output 4 - Digital Output
Input/Output
17
AUX2 RX
Output 5 - LED 1 Driver
Input
18
AUX2 TX
Output 6 - LED 2 Driver
Input
19
OUT 0
Analog to Digital Input 2
Output
20
OUT 1
Analog to Digital Input 3
Output
21
OUT 2
Analog to Digital Input 4
Output
22
GND
Analog to Digital Input 5
Power
23
VIN 1
Analog to Digital Input 4
24
VIN 2
Analog to Digital Input 4
3.2.2
VBUS Connector
The LMU-3640™’s features a 16-Pin Molex 43045-1600 connector to the vehicle bus. Its pin-out is as follows:
Pin Signal
Name Color
1 J1708H Brown
2 J1850- White
3 CAN2L-11 Grey
4 K-Line_12/HD
Black/Red
5 J1708L Red
6 CAN1L Green
7 K/L-Line Violet
8 Vcc
In Orange
9 SWCAN Pink
10 J1850+
Black/White
11 CAN2H Blue
12 GND Black
13 GND
Black/Green
14 CAN1H Yellow
15 ISO/K-Line
Blue/White
16 CAN2L-8
Green/White
3.2.3
Accessories
See the Harness Diagrams page for more information on LMU accessories, and supported products table.
3.3
GPS Receiver
50+ channel GPS receiver (with SBAS, DGPS)