User's Manual

GL500 User manual
1 Introduction
GL500 is a powerful GPS tracker designed for fixed asset tracking applications.GL500
work with two CR123A lithium-batterys.GL500 wakes up every 1-40hours and sends the
info and then return to deepsleep.GL500 can standby 1000days. With built-in motion
sensor, GL500 can also detect the motion of asset all the time and give a warning
message. Based integrated @track protocol, the GL500 can communicate with a backend
server through the GPRS/GSM network to transfer reports of emergency, geo-fence
boundary crossings, low battery or scheduled GPS position along with many other useful
functions. System Integrators can easily setup their tracking systems based on the
full-featured @Track protocol.
This device complies with part 15B, part 22 and part 24 of the FCC rules. Operation is
subject to the following two conditions:
(1) this device may not cause harmful interference.
(2) this device must accept any interference, including interference that may cause
undesired operation.
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1.1. Reference
Table 1. GL50
0 Protocol Reference
SN Document name Remark
[1] GL500 @SMS Interface Protocol The SMS protocol interface
between GL500 and backend
server.
1.2. Terms and Abbreviations
Table 2. Terms and Abbreviations
Abbreviation Description
AGND Analog Ground
AIN Analog Input
DIN Digital Input
DOUT Digital Output
GND Ground
MIC Microphone
RXD Receive Data
TXD Transmit Data
SPKN Speaker Negative
SPKP Speaker Positive
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