Queclink GL502MG User manual

GL502MG User Manual
EGPRS/LTE Cat-M1/LTE Cat-NB2/GNSS Tracker
QSZTRACGL502MGUM0100
Version: 1.00

GL502MG User Manual
QSZTRACGL502MGUM0100
Document Title
GL502MG User Manual
Version
1.00
Date
2020-11-25
Status
Released
Document Control ID
QSZTRACGL502MGUM0100
General Notes
Queclink offers this information as a service to its customers, to support application and
engineering efforts that use the products designed by Queclink. The information provided is
based upon requirements specifically provided to Queclink by the customers. Queclink has not
undertaken any independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system validation of this
product designed by Queclink within a larger electronic system remains the responsibility of the
customer or the customer’s system integrator. All specifications supplied herein are subject to
change.
Copyright
This document contains proprietary technical information which is the property of Queclink.
Copying of this document, distribution to others or using or communication of the contents
thereof is forbidden without express authority. Offenders are liable to the payment of damages.
All rights are reserved in the event of a patent grant or the registration of a utility model or
design. All specifications supplied herein are subject to change without notice at any time.
Copyright © Queclink Wireless Solutions Co., Ltd. 2021
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GL502MG User Manual
QSZTRACGL502MGUM0100
Contents
0. Revision History.............................................................................................................................1
1. Introduction ..................................................................................................................................2
1.1. GL502MG Product..............................................................................................................2
1.2. Reference ...........................................................................................................................2
1.3. Terms and Abbreviations....................................................................................................2
2. Product Overview..........................................................................................................................3
2.1. Product Appearance...........................................................................................................3
2.2. Magnetic Reed Switch Description.....................................................................................3
2.3. LED Description ..................................................................................................................4
2.4. Parts List .............................................................................................................................5
3. Interface Definition .......................................................................................................................6
4. Getting Started..............................................................................................................................7
4.1. Opening and Closing the Case............................................................................................7
4.2. Turning on/off the Device ..................................................................................................7
4.3. Installing a SIM Card...........................................................................................................8
5. Installation Precautions.................................................................................................................9
6. Troubleshooting and Safety Info .................................................................................................10
6.1. Troubleshooting ...............................................................................................................10
6.2. Safety Info ........................................................................................................................10
7. Appendix: Supported Accessories...............................................................................................11
8. FCC Statement.............................................................................................................................12
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0. Revision History
Revision
Date
Author
Description of Change
1.00
2020-11-25
Heymi Lin
Initial
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GL502MG User Manual
QSZTRACGL502MGUM0100 2
1. Introduction
GL502MG is an IP68 waterproof GNSS tracker that features up to 3 years standby time powered
by internal batteries and supports Wi-Fi. The device is ideal for lot management and other
tracking applications that require real-time monitoring. GL502MG supports LTE Cat M1/NB2
network on multiple bands for operation in America, Europe, and Oceania with a fallback to
GPRS.
1.1. GL502MG Product
Table 1. GL502MG Product
Model No.
Region
Technology
Operating Band (MHz)
GL502MG
Worldwide
eMTC/NB-IoT
GSM:GSM850/GSM900/
DCS1800/PCS1900
LTE-TDD: B39 (for Cat.M1 only)
LTE-FDD:
B1/B2/B3/B4/B5/B8/B12/B13/B
18/B19/B20/B25/B28
1.2. Reference
Table 2. GL502MG Protocol Reference
SN
Document Name
Remark
[1]
GL502MG @Track Air
Interface Protocol
The air interface protocol between GL502MG and
backend server
1.3. Terms and Abbreviations
Table 3. GL502MG Terms and Abbreviations
Abbreviation
Description
RXD
Receive Data
TXD
Transmit Data
GND
Ground
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2. Product Overview
2.1. Product Appearance
Figure 1. GL502MG Product View
2.2. Magnetic Reed Switch Description
Table 4. Magnetic Reed Switch Description
Magnetic Reed
Switch Function
To power on the device: Use a magnet (1.2 mT minimum) to approach
magnetic reed switch. Then the switch will be triggered and the device will
be powered on.
Note:
1, To power on the device, set the battery switch on the PCB to ON position first;
2, Once powered on, to cut off the power, set the battery switch on the PCB to OFF position.
Magnetic Reed Switch
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2.3. LED Description
Figure 2. GL502MG LEDs
There are two LEDs on GL502MG. They can work separately and in combination to indicate the
status of the device. For the details when they work separately, please see the table below:
Table 5. GL502MG LED Description (work separately)
Fast flash: 100ms on/200ms off
Slow flash: 200ms on/1000ms off
LED
Event
State
CELL LED
(Green)
Searching network
Fast flash
The device has been registered on network
Slow flash
SIM is locked by PIN
Solid on
Modem off
Solid off
GPS LED
(Blue)
GPS is in the process of fixing
Fast flash
GPS is on and GPS gets fix
Slow flash
GPS off
Solid off
LEDs
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Note:
1, The LEDs will be on about 5 minutes after power on. After that, they will always be off.
2, The LEDs will not be visible because the PCB is inside opaque plastic housing.
2.4. Parts List
Table 6. GL502MG Parts List
Name
Picture
Description
GL502MG Locater
EGPRS/LTE Cat-M1/LTE
Cat-NB2/GNSS Tracker
Magnetic Buckle Kit
(Optional)
Used to install
GL502MG
Steel Cable & Steel
Plates
(Optional)
Used to provide extra
protection from falling
in case the magnetic
buckle loosens
GL502MG Data
Cable
(Optional)
USB data cable which
can be used for
firmware upgrade and
configuration
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3. Interface Definition
GL502MG has a 12-pin (two sides) Type-C interface. The sequence and definition of the 24-pin
connector are shown in the following figure:
Figure 3. 12-pin (two sides) Type-C Interface of GL502MG
Table 7. Description of 24-pin Connections
Pin No.
Pin Name
Function Description
1
GND
GND
2
GND
GND
3
VBUS
USB PWR
4
VBUS
USB PWR
5
N/A
N/A
6
N/A
N/A
7
N/A
N/A
8
USB DP
USB DP
9
USB DM
USB DM
10
N/A
N/A
11
UART_RXD
Debug Receive Data
12
UART_TXD
Debug Transmit Data
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4. Getting Started
4.1. Opening and Closing the Case
Figure 4. GL502MG Screw Position
To open/close the case: Unfasten or tighten the 4 screws at side.
4.2. Turning on/off the Device
Figure 5. GL502MG Battery Switch and Magnetic Reed Switch
Battery Switch
Magnetic Reed Switch
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