Ebyte E840-DTU (NB-02) User Manual
Nb-iot serial server
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- User manual (8 pages)
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Summary of Contents for Ebyte E840-DTU (NB-02)
- Page 1 NB-IoT Serial Server E840-DTU（NB-02） Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd...
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Page 2: Table Of Contents
1.4 Pin Definition ................................. 5 2. Quick Start ..................................6 2.1 Device Preparation ..............................6 2.2 Data Transmitting Test ............................6 2.2.1 Test Steps: ..............................7 Revision history ..................................8 Important Statement ................................8 About us ....................................8 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd... -
Page 3: Features
Support 8-28V wide voltage power supply, and adopt DC and terminal as the two power supply methods. RS485 circuit use the electrical isolation, lightning protection and surge protection scheme, it has anti-interference ability. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd... -
Page 4: Introduction
1. Introduction 1.1 Brief Introduction E840-DTU(NB-02) is a NB-IoT DTU produced by Ebyte. It features a certain scope of applications which cover most common application scenarios. The user can realize bidirectional transparent data transmission from the serial port to the network server by simple setting. -
Page 5: Interface Description
Chengdu Ebyte Electronic Technology Co,;Ltd E840-DTU(NB-02) user manual 1.3 Interface Description Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd... -
Page 6: Pin Definition
Side B of external interface for other RS485 devices Ground electrode Power supply，default: 8~28V Power indicator WORK UART communication indicator Net working indicator DC-IN Power adapter interface Reset dial switch（down，reset） ON/OFF SIM card slot Antenna interface（SMA-K，50Ω） Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd... -
Page 7: Quick Start
2.2 Data Transmitting Test Software is needed for data transmitting test: Xcom is applied here for the test and you can download it at our website. Users can also apply other test tools that are available. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd... -
Page 8: Test Steps
+CGATT:1 AT+CEREG? //Inquire network registration status, “1” means success; +CEREG:0,1 Note: Before the module joining the network, the IMSI of sim must be registered in the core network, or it cannot register the network. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd... -
Page 9: Revision History
English manual, if necessary, please go to our official website to download. About us Technical support: support@cdebyte.com Documents and RF Setting download link: www.ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: sales@cdebyte.com ------------------------------------------------------------------------------------------------------------ Fax: 028-64146160 ext. 821 Web: www.ebyte.com Address: Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd...