Quectel L26-DR EVB User manual

L26-DR EVB User Guide
GNSS Module Series
Rev.L26-DR_EVB_User_Guide_V1.2
Date: 2019-12-25
Status: Released
www.quectel.com

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About the document
History
Revision Date Author Description
1.0 2019-07-04 Brooke WANG Initial
1.1 2019-11-09 Brooke WANG
1. Updated Figure 2, 9 and 15;
2. Updated the description in Chapter 5.2;
3. Updated the calibration procedure in Chapter 7;
4. Updated accessory information in Table 2.
1.2 2019-12-25Shua SHI/
Brooke WANG
1. Updated the
description about calibration result
monitoring in Chapter 6.2.2;
2. Moved description about EVB and accessories
assembly into Chapter 2.

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Contents
About the document ...................................................................................................................................2
Contents .......................................................................................................................................................3
Table Index...................................................................................................................................................4
Figure Index .................................................................................................................................................5
1Introduction ..........................................................................................................................................6
1.1. Safety Information.......................................................................................................................6
2General Overview.................................................................................................................................7
2.1. Top and Side Views of L26-DR EVB...........................................................................................7
2.2. L26-DR EVB and Accessories .................................................................................................... 8
2.3. EVB and Accessories Assembly .................................................................................................9
3Interface Applications .......................................................................................................................10
3.1. Micro-USB Interface..................................................................................................................10
3.2. SD Card Interface ..................................................................................................................... 11
3.3. Antenna Interface...................................................................................................................... 11
3.4. Switches and Buttons ...............................................................................................................12
3.5. Operation Status Indication LEDs............................................................................................. 13
3.6. OBD Interface ...........................................................................................................................14
4EVB Operation Procedures...............................................................................................................15
4.1. Communication via Micro-USB Interface..................................................................................15
4.2. Download Firmware ..................................................................................................................16
4.2.1. Firmware Upgrade .........................................................................................................16
4.2.2. Boot Download...............................................................................................................16
5Usage of Teseo-Suite Pro .................................................................................................................18
5.1. View GNSS Receiver Status..................................................................................................... 18
5.1.1. COM Port and Baud Rate Setting..................................................................................18
5.1.2. Explanations of Views and Windows .............................................................................20
5.2. Send PSTM Commands ........................................................................................................... 21
6Calibration Procedure .......................................................................................................................22
6.1. Calibration for L26-DR (ADR)/L26-DR (ADRA) EVB................................................................ 22
6.1.1. Determination Process of EVB Installation Angle..........................................................22
6.1.2. Main Calibration Procedure ...........................................................................................23
6.1.3. Calibration Result Monitoring......................................................................................... 24
6.2. L26-DR (UDR) EVB ..................................................................................................................25
6.2.1. Calibration Procedure ....................................................................................................25
6.2.2. Calibration Result Monitoring......................................................................................... 26
7Appendix A Reference.......................................................................................................................27

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Table Index
TABLE 1: INTERFACES OF L26-DR EVB .......................................................................................................... 7
TABLE 2: LIST OF ACCESSORIES .................................................................................................................... 8
TABLE 3: SWITCHES AND BUTTONS............................................................................................................. 12
TABLE 4: OPERATION STATUS INDICATION LEDS....................................................................................... 13
TABLE 5: PIN DESCRIPTION........................................................................................................................... 14
TABLE 6: RELATED DOCUMENTS .................................................................................................................. 27
TABLE 7: TERMS AND ABBREVIATIONS........................................................................................................ 27

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Figure Index
FIGURE 1: TOP AND SIDE VIEWS OF L26-DR EVB......................................................................................... 7
FIGURE 2: L26-DR EVB & ACCESSORIES ....................................................................................................... 8
FIGURE 3: L26-DR EVB AND ACCESSORIES ASSEMBLY .............................................................................. 9
FIGURE 4: MICRO-USB INTERFACE .............................................................................................................. 10
FIGURE 5: SD CARD INTERFACE....................................................................................................................11
FIGURE 6: ANTENNA INTERFACE ...................................................................................................................11
FIGURE 7: SWITCHES AND BUTTONS .......................................................................................................... 12
FIGURE 8: OPERATION STATUS INDICATION LEDS .................................................................................... 13
FIGURE 9: OBD INTERFACE ........................................................................................................................... 14
FIGURE 10: USB PORTS ................................................................................................................................. 15
FIGURE 11: COM PORT SETTING OF QCOM ................................................................................................ 15
FIGURE 12: STA808X/9X FIRMWARE UPGRADE TOOL CONFIGURATIONS.............................................. 16
FIGURE 13: TESEOIII XLOADER TOOL CONFIGURATIONS ........................................................................ 17
FIGURE 14: TESEO-SUITE PRO INTERFACE................................................................................................ 18
FIGURE 15: MANUAL CONFIGURATION FOR THE COM PORT ................................................................... 19
FIGURE 16: SIGNAL LEVEL............................................................................................................................. 20
FIGURE 17: SKY VIEW..................................................................................................................................... 20
FIGURE 18: MODULE POSITIONING FORM .................................................................................................. 21
FIGURE 19: COMMAND SENDING VIA TESEO-SUITE PRO ......................................................................... 21
FIGURE 20: ADR CALIBRATION STATUS ....................................................................................................... 24
FIGURE 21: AXIS OF L26-DR (UDR) EVB ....................................................................................................... 25
FIGURE 22: UDR CALIBRATION STATUS....................................................................................................... 26

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1Introduction
This user guide describes detailed information about the usage of Quectel L26-DR EVB (Evaluation
Board), the auxiliary for engineers to develop and test Quectel L26-DR module.
1.1. Safety Information
The following safety precautions must be observed during all phases of operation, such as usage, service
or repair of any terminal incorporating Quectel L26-DR module. Manufacturers of the terminal should
notify users and operating personnel of the following safety information by incorporating these guidelines
into all manuals supplied with the product. If not so, Quectel assumes no liability for any failure to comply
with these precautions.
Be assure the use of the product conforms to the national safety and
environmental regulations, and is allowed in the country and in the environment
required.
Keep away from explosive and flammable materials. The use of electronic
products in extreme power supply conditions and locations with potentially
explosive atmospheres may cause fire and explosion hazards.
The product has to be powered by a stabilized voltage source, and the wiring shall
conform to security and fire prevention regulations.
Proper ESD handling procedures must be applied throughout the mounting,
handling and operation of any application that incorporates the module to avoid
ESD damages.

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2General Overview
2.1. Top and Side Views of L26-DR EVB
The following figure illustrates the top and side views of L26-DR EVB.
Figure 1: Top and Side Views of L26-DR EVB
Table 1: Interfaces of L26-DR EVB
SN. Name Description
A ANT Antenna Interface
B RESET Reset Button
C BOOT Boot Button
D OBD INTERFACE OBD Interface
E SD SD card Interface

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2.2. L26-DR EVB and Accessories
USB Cable
GNSS
Antenna
EVB
USB Flash Drive
OBD Cable
Figure 2: L26-DR EVB & Accessories
Table 2: List of Accessories
F USB/SD USB/SD Switch
G 1PPS/RUN/PWR/IND Indication LEDs
H USB Micro-USB Interface
I POWER Power Switch
Items Description Quantity
EVB The evaluation board of L26-DR 1
USB Cable USB Cable 1
OBD Cable 1) OBD Cable 1

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1) L26-DR (UDR) EVB Kit does not contain the OBD Cable.
2.3. EVB and Accessories Assembly
The following figure shows the assembly of L26-DR EVB and its accessories.
Figure 3: L26-DR EVB and Accessories Assembly
Antenna GNSS Antenna (Active) 1
USB Flash Drive USB Flash Drive (including L26-DR related
documents, tools,
drivers, etc.) 1
Instruction
One-sheet-instruction giving instructions for EVB connection,
details of EVB accessories, etc. 1
NOTE