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GL521MG User Manual

EGPRS/LTE Cat-M1/LTE Cat-NB2/GNSS Tracker

QSZTRACGL521MGUM0100

Version: 1.00

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Summary of Contents for GL521MG

Page 1: ...GL521MG User Manual EGPRS LTE Cat M1 LTE Cat NB2 GNSS Tracker QSZTRACGL521MGUM0100 Version 1 00 ...

Page 2: ... 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 ...

Page 3: ...ew 3 2 1 Product Appearance 3 2 2 Key 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 ...

Page 4: ...GL521MG User Manual QSZTRACGL521MGUM0100 1 0 Revision History Revision Date Author Description of Change 1 00 2021 11 28 Heymi Lin Initial ...

Page 5: ...k to GPRS 1 1 GL521MG Product Table 1 GL521MG Product Model No Region Technology LTE Category Operating Band GL521MG Global GSM LTE eMTC NB IoT GSM850 GSM900 DCS1800 PCS1900 LTE FDD B1 B2 B3 B4 B5 B8 B12 B13 B18 B19 B20 B25 B26 B27 B28 B66 B85 LTE FDD B1 B2 B3 B4 B5 B8 B12 B13 B18 B19 B20 B25 B28 B66 B71 B85 1 2 Reference Table 2 GL521MG Protocol Reference SN Document Name Remark 1 GL521M Series T...

Page 6: ...roduct View 2 2 Key Description Table 4 GL521MG Key Description Key Functions To power on Long press for more than 3 seconds To check the device status Press the key for one time To power off needs to be configured Long press for more than 3s after power on Light Alarm Sensor Key LEDs Light Tamper Sensor ...

Page 7: ... in combination LED Event State Status LED Green Searching network Fast flash The device has been registered on network Slow flash SIM is locked by PIN Solid on Network 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 During power on Both the LEDs will be on to indicate the device is being powered on When checking t...

Page 8: ... install GL521MG on metal surface for convenient taking off GL521MG Plastic Bracket Optional Used to hold GL521MG Series on plastics bracket which is installed on surfaces where screw holes can be drilled GL521MG Data Cable Optional USB data cable which can be used for firmware upgrade and configuration GL521MG Wireless Charger Accessory Kit For battery charging Note Remove the magnetic case when ...

Page 9: ... connector It can be used to configure the device The definition of the pins is in the following table Figure 3 4 pin Connector of the GL521MG Table 8 Description of 4 pin Connections Index Pin Name Description 1 USB_5V Not used 2 RXD MCU UART RXD 3 TXD MCU UART TXD 4 GND Power and digital ground ...

Page 10: ...igure 4 GL521MG Screw Position To open close the case Unfasten or tighten the 4 screws at backside 4 2 Turning on off the Device Figure 5 GL521MG Power Key To turn on Long press the key for more than 3 seconds To turn off needs to be configured Long press for more than 3s after power on Power Key ...

Page 11: ...GL521MG User Manual QSZTRACGL521MGUM0100 8 4 3 Installing a SIM Card Figure 6 GL521MG SIM Card Holder Power off the device first and then install the SIM card SIM Card Holder ...

Page 12: ...ve better signal reception Do not install the device under metal surface or in enclosed environments having difficulty in getting GPS and network signal Note If the magnetic or plastic bracket is used to hold the device please apply the force to fasten the bracket screw as follows otherwise the device case may be damaged 0 6 0 2kgf cm2 excessive force may cause damage to the device ...

Page 13: ...g Make sure the IP address for the backend server is an identified address in the internet There is no response from UART when the device is configured by using UART The port is not ready or the device is not powered on Please check the port and the device to ensure they are working properly The device can t get GPS fix The GPS signal is weak Move the device to a place under open sky It is better ...

Page 14: ...GL521MG User Manual QSZTRACGL521MGUM0100 11 7 Appendix Supported Accessories GL521MG Wireless Charger Accessory Kit ...

Page 15: ...interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the rece...

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