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Chengdu Ebyte Electronic Technology Co,;Ltd

E90-DTU (900SL30-GPRS) user manual

Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd

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目录

1.OVERVIEW.......................................................................................................................................................................

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TATION SYSTEM PARAMETERS

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2 QUICK START..................................................................................................................................................................

ARDWARE PREPARATION AND COMMUNICATION TESTING

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ORKING MODE AND FUNCTIONS

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3 APPLICATION MODEL...............................................................................................................................................

4 NOTE................................................................................................................................................................................

5 IMPORTANT STATEMENT.........................................................................................................................................

ABOUT US..........................................................................................................................................................................

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Summary of Contents for 900SL30-GPRS

Page 1: ...E90 DTU 900SL30 GPRS ...

Page 2: ...hnology Co Ltd 1 目录 1 OVERVIEW 2 1 1 INTRODUCTION 2 1 2 FEATURES 2 1 3 STATION SYSTEM PARAMETERS 3 1 4 PIN DESCRIPTION 5 1 5 PIN DEFINITION 6 1 6 SIZE 7 2 QUICK START 8 2 1 HARDWARE PREPARATION AND COMMUNICATION TESTING 8 2 2 WORKING MODE AND FUNCTIONS 14 3 APPLICATION MODEL 17 4 NOTE 20 5 IMPORTANT STATEMENT 21 ABOUT US 21 ...

Page 3: ...A TD SCDMA CDMA EDGE and GPRS network data connection E90 DTU 900SL30 GPRS can be directly connected to the upper computer via USB cable for parameter configuration without the need to install the driver it is easy to change user defined parameters This chapter is a quick introduction to E90 DTU 900SL30 GPRS products It builds the simplest hardware environment to test the network transmission func...

Page 4: ...oltage anti reverse connection and other functions 1 3 Station system parameters Parameter type Parameter Name The parameter value Description Characteristic parameters Support Frequency Quad frequency GSM850 EGSM900 DCS1800 PCS1900 Module can automatically search frequency Frequency selection can be set with the AT command Conform to GSM Phase 2 2 GPRS Connection characteristics GPRS multi slot c...

Page 5: ... working frequency 850 125MHz 930 125MHz Default 868 125MHz channel number 80 channel interval 1MHz Transmission power 30dBm About 1W level 4 adjustable 30 27 24 21dBm Receiving sensitivity 138dbm 0 3kbps The receiver sensitivity is independent of the baud rate and delay time Baud rate 115200 bps No modification supported The antenna interface SMA Interface RF signal output 50 ohm characteristic i...

Page 6: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL30 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 5 1 4 Pin Description ...

Page 7: ...set button long press time no requirement 6 USB Micro USB parameter configuration interface 7 Reload Press 4 10s to restore the factory Settings 8 PWR Red power indicator 9 WORK Yellow data transmission indicator light The light flashes when there is data transmission 10 LINK Yellow network indication always on after net 11 NET 4 G GPRS antenna interface SMA K external thread hole 50 Ω characteris...

Page 8: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL30 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 7 1 6 Size ...

Page 9: ...L30 GPRS device and E22 900TXXS module 5V 20V Power adapter USB switch to TTL module and USB wire GPRS LTE Sucker antenna Computer browser visit Chengdu Ebyte official website www ebyte com download the latest E90 DTU 900SL30 GPRS series product configuration tools E22 series product configuration software and serial assistant this article USES XCOM install USB 232 485 driver run the software 1 Af...

Page 10: ...orrectly connected the message box on the right side will prompt device ready 3 After entering the GPRS 2G network pass through configuration mode the parameters of GPRS 2G module can be configured in the setting relevant parameters box After the configuration is completed click the save NET parameters button and the upper computer will prompt save all parameters successfully After completion as s...

Page 11: ...s the RF module in the setting of relevant parameters After the configuration is completed click the save RF parameters button After completion as shown in the following figure 5 After the configuration of module parameters if the parameters in the mode of GPRS 2G network transmission are modified the GPRS 2G network transmission mode shall be modified again Click the button of module restart in t...

Page 12: ...t button and directly click the enter communication state button in the RF mode After completion as shown in the following figure 6 Within 30 seconds after the communication state is entered if the LINK indicator is always on it indicates that the server has been connected then the network can be transparently transmitted 7 Follow the WeChat official account of 亿佰特物联网应用专家 on mobile phone en...

Page 13: ... Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 12 8 Use the serial port assistant to send data to E22 900TXXS module If E90 DTU 900SL30 GPRS receives the data sent by E22 900TXXS the WORK indicator light flashes a E22 900TXXS sends data to E90 DTU 900SL30 GPRS ...

Page 14: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL30 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 13 b E90 DTU 900SL30 GPRS sends data to E22 900TXXS ...

Page 15: ...ameters c RF configuration mode this mode allows users to configure radio RF parameters d Mode switch use the official E90 DTU 230SL30 GPRS to configure the upper computer for mode switch and parameter configuration Note that after using the upper computer to enter the configuration state the system is in the configuration mode At this time click the module restart button or enter the communicatio...

Page 16: ...ith the server you can choose whether to clear the cached data By default clearing the cache will be closed The maximum packet length from the local cache is 256 bytes 7 The cloud transmission function of Ebyte IOT platform Users can use the official E90 DTU 900SL30 GPRS configuration software GPRS 2 G network passthrough configuration mode click on the cloud passthrough option open module Ebyte c...

Page 17: ...nnel of module B then module B can receive AA BB CC and other modules do not receive data the same is true for E90 DTU xxx SLXX series stations 6 LoRa spread spectrum LoRa direct sequence spread spectrum technology will bring more communication distance Low transmission power density not easy to cause interference to other equipment 9 Factory recovery There are two ways to restore the factory Soft...

Page 18: ...00SL30 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 17 3 Application model 1 E22 900TXXS E90 DTU 900SL30 GPRS Server A 2 E90 DTU 900SLxx E90 DTU 900SL30 GPRS Server A 3 E22 900TXXS E90 DTU 900SL30 GPRS Server A Server B ...

Page 19: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL30 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 18 4 E90 DTU 900SLxx E90 DTU 900SL30 GPRS Server A Server B ...

Page 20: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 900SL30 GPRS user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 19 5 Ebyte cloud transmission 6 Application in buildings ...

Page 21: ...owered on normally The status bar of the upper computer device shows no valid device found Check whether the USB cable and power cord are connected correctly If they are connected try to press the Reset button re plug the power cord or re plug the USB Server A of this product is always open After successful initialization it will automatically establish connection with the configured network serve...

Page 22: ...rsion of the manual shall prevail Users of the product shall follow the product trends on the official website so that users can timely obtain the latest information of the product Version Date Revision note By 1 00 2019 04 25 Original version Lizhibing About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyte products Please cont...

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