CalAmp LMU-5541 Telematics Router Installation Guide
9/28/23, 4:30 PM
AT$APP PARAM 2306,0,“” (for a blank APN)
LMU-5541 Hardware & Installation Guide - PULS Wiki
Only enter this next command if you have been given a non-zero PIN as any errors may lock you out of the modem.
AT$APP PIN <SIM pin>
You can confirm activation by watching the Comm LED to see if it goes solid. You may also confirm activation using:
AT$APP COMM STATUS?
A good response should look similar to the following:
GSM Registered: Yes
GPRS Registered: Yes
Connection: Yes
RSSI: -70 dBm
BER: 0
Channel: 0
Cell ID: 0
Base Station ID: 0
Local Area Code: 0
Network Code: 38
Country Code: 310
IMEI (Modem S/N): 500167110060440
IMSI (SIM S/N): 310380100521849
Phone Number:
GPRS APN:IP: Public
Quality of Srvc: 1,0,0,3,0,0
GSM Class: B
6 Installing the LMU
The installation of the LMU and its antennas can have a major impact on the LMU’s performance. It is recommended that installers be familiar with the installation of
GPS and cellular devices and are comfortable in a vehicle environment.
6.1 Preparing for Installation
Be sure you have received all the LMU components you need. This must include:
The LMU to be installed
A power harness
GPS Antenna (for external devices) Comm Antenna (for external devices)
Optional Components:
Input and output cables
Relays
LMU peripherals (i.e. Serial adapter, jPOD, TetheredLocator)
Host serial devices (e.g. PDAs, laptops, other serial devices)
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| General | Details |
|---|---|
| Name | CalAmp LMU-5541 Telematics Router Installation Guide |
| Make | CalAmp |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.5 MB |
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