User's Manual

2.2.2 LMU-3030™
The LMU-3030™ is responsible for delivering the location and status information when and where it is
needed. Data requests mainly come from the following sources:
 PEG™ script within the LMU-3030™
 A location or status request from the LM Direct™ server
 A location or status request from LMU Manager
 An SMS request made from a mobile device such as a customer’s cell-phone
In some cases, it is necessary to run an application in the vehicle while it is being tracked by the
backend software. Such examples could include instant messaging between vehicles or a central
office, in-vehicle mapping or driving directions, email or database access. In most of these cases you
will be using the LMU-3030™ as a wireless modem as well as a vehicle-location device.
2.2.3 LM Direct™ Server
LM Direct™ is a CalAmp proprietary message interface specification detailing the various messages
and their contents the LMU-3030™ is capable of sending and receiving. This interface allows System
Integrators to communicate directly with LMU-3030's™. Please refer to the LM Direct Reference
Guide for details.
2.2.4 Backend Software
Backend software is a customer provided software application. Regardless of its purpose, one of its
primary functions is to parse and present data obtained from the LM Direct™ server. This allows the
application to do any of the following:
 Display location database on reports received from the LMU-3030™ in a variety of formats
 Present historic information received from the LMU-3030™, typically in a report/chart style format
 Request location updates from one or more LMU-3030s™
 Update and change the configuration of one or more LMU-3030s™
2.2.5 PULS™
PULS™ (Programming, Update and Logistics System) is CalAmp’s web-based maintenance server
offering out-of-the-box hands free configuration and automatic post-installation upgrades. PULS™
provides a means for configuration parameters, PEG scripts, and firmware to be updated Over-The-Air