10/12/13
LMU-3xx Hardware & Installation Guide - PULS Wiki
https://puls.calamp.com/wiki/LMU-3xx_Hardware_%26_Installation_Guide
10/37
Product
Motion
Detection
200mA
Battery
1000mA
Battery
Harness
Wires
LMU-320™
N
N
N
2
LMU-321™
N
Y
N
2
LMU-322™
N
N
N
4
LMU-323™
N
Y
N
4
LMU-324™
Y
N
N
4
LMU-325™
N
Y
N
6 (1BB Wire is
NC)
LMU-326™
Y
Y
N
4
LMU-328™
Y
N
Y
4
LMU-329™
Y
N
Y
6
3.3 LMU-3xx™ Connectors
3.3.1 Primary Connector
The LMU-3xx™ uses up to 6 22AWG leads for its power and I/O connections. The product part number
mapping table indicates the number of wires in the harness, so these leads are mapped as follows:
LMU-3xx:
Wire
Signal Name
Description
Lead Color
Input or Output
1
GND
Ground
Black
Ground – Serial Cable
2
VCC
Primary Power Input Red
Power
3
IN-0
Input 0
White
Input
4
Out-0
Output 0
Green
Output
5
IN-1
Input 1
Blue
Input
6
1BB Data
1-Bit Bus Data
White/Blue
Output
3.3.2 Serial Adapter
LMU Serial Cable (Part Number 133337)
This is the standard serial cable used with most LMU products.