Related Manuals for USR IOT USR-DR502-E
Summary of Contents for USR IOT USR-DR502-E
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Page 1: Usr-Dr502-E User Manual
Technical Support: USR-DR502-E User Manual Document version: V1.0.5 www.usr.cn... -
Page 2: Table Of Contents
6.10. Firmware Upgrade..............................28 6.11. Restore to Factory Default Settings........................29 6.12. Timeout Restart..............................30 7. AT Commands..................................30 7.1. AT Command Settings............................30 7.2. Serial AT Commands.............................. 31 7.3. Network AT Commands............................31 7.4. SMS AT Commands..............................32 Jinan USR IOT Technology Limited www.pusr.com... -
Page 3: Introduction
1. Introduction 1.1. Overview USR-DR502-E is a LTE CAT 1 communication modem, which supports LTE and GSM, covers the mainstream frequency bands of European operators. It has perfect software function, supports TCP/UDP transparent transmission, SMS transmission, HTTPD Client mode and AT command configuration. In addition, it is simple to configure, has high reliability and built-in hardware watchdog, supports FOTA upgrading. -
Page 4: Get Started
TCP/UDP/HTTPD/SMS transparent transmission, CMD mode Operating mode Configuration command AT+command Software Network protocol TCP/UDP/DNS/FTP/HTTP/IPV4/IPV6 Socket number User configuration Serial/Network/SMS AT command Socket distribution protocol Support Features Heartbeat package Support ICCID/IMEI/SN/User-defined/LBS Identity package Support ICCID/IMEI/SN/User-defined/CLOUD Jinan USR IOT Technology Limited www.pusr.com... -
Page 5: Hardware
USR-DR502-E User Manual Technical Support: FOTA self upgrade Support Backup socket Support Base station geolocation Support FTP upgrade Support Support 2.2. Hardware 2.2.1.Dimensions Jinan USR IOT Technology Limited www.pusr.com... -
Page 6: Interface
USR-DR502-E User Manual Technical Support: 2.2.2.Interface 2.2.3.Indicators There are ten indicators on USR-DR502-E. Indicator Function Status POWER Power indicator Always on after normal power supply. WORK Working status indicator. Flashes. Network status indicator Flashed after connecting to network. LINKA... -
Page 7: Connecting Hardware
DR502-E to pin B of the adaptor. Power Supply: Connect 9-36V DC power adapter via the conversion cable to power the DR502-E. Then “POWER” indicator will always on and the “WORK” indicator will flash. Jinan USR IOT Technology Limited www.pusr.com... -
Page 8: Utility Configuration
USR-DR502-E User Manual Technical Support: 3. Utility Configuration 3.1. Download the Utility Please download the utility in this link: https://www.pusr.com/products/4G-Cat-1-Modem.html 3.2. Starting the Configuration Utility USR-DR502-E utility is shown as following: Jinan USR IOT Technology Limited www.pusr.com... - Page 9 Modem parameter area, setup some basic global parameters. Common command button, click to send the self-input command. Data receiving and display area, displaying the data sent and received. Data sending area, input the data and click Send. Jinan USR IOT Technology Limited www.pusr.com...
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Page 10: Serial Port
USR-DR502-E User Manual Technical Support: 4. Serial Port 4.1. Basic Parameters Serial parameters of USR-DR502-E must be consistent with the parameters of the serial device. Serial port parameters include basic parameters and framing parameters. Item Parameter Baud rate 1200~230400bps... -
Page 11: Frame Forming Mechanism
This frame is sent to the network as a TCP or UDP packet. The "length threshold" here is the package length. The settable range is 5~4096. Factory defaults to 1024. This parameter can be set by AT command, AT+UARTFL=<length>. Note: L is the packaging length. Jinan USR IOT Technology Limited www.pusr.com... -
Page 12: Selecting An Operating Mode
Technical Support: 5. Selecting an Operating Mode USR-DR502-E has three operating modes: transparent mode, HTTPD Client mode and SMS mode. 5.1. Transparent Mode In this mode, users do not need to pay attention to the data conversion process, can realize the bidirectional data transparent transmission between serial devices and network servers. - Page 13 Save all parameters and restart Test Connect the serial port of USR-DR502-E to the computer via a RS485 serial to USB cable, send data from the utility, the test server will return the same data to serial port. Jinan USR IOT Technology Limited...
- Page 14 USR-DR502-E User Manual Technical Support: Jinan USR IOT Technology Limited www.pusr.com...
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Page 15: Httpd Client Mode
The modem will filter out the received HTTP protocol header data by default, only output user data to the serial port. Users can choose whether to filter by AT command. Set parameters by the utility: Jinan USR IOT Technology Limited www.pusr.com... - Page 16 Save parameters and restart the modem Test After the NET light is on, send the data in the format of "data =". After the data is sent successfully, server will return the data. Jinan USR IOT Technology Limited www.pusr.com...
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Page 17: Sms Mode
User can decide whether to transmit the data of the specified mobile phone to the serial device through settings. Users can send and receive SMS to check the serial device status remotely via DR502-E. Jinan USR IOT Technology Limited www.pusr.com... - Page 18 2. When only receive SMS from source number is enabled, other phone numbers can still query or set parameters. Test When the NET light is on, we can send and receive data in both directions via SMS with destination phone number. Jinan USR IOT Technology Limited www.pusr.com...
- Page 19 USR-DR502-E User Manual Technical Support: Jinan USR IOT Technology Limited www.pusr.com...
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Page 20: General Function
IMEI: Unique identification code of the Internet modem, which is mainly used in device identification, has nothing to do with SIM card. SN: Serial number. USER: User-defined data. CLOUD: Set the device ID and password when connecting to USR Cloud, sent when building connection. Set by the utility: Jinan USR IOT Technology Limited www.pusr.com... - Page 21 Set the work mode to NET AT+REGEN=ON Enable identity package function AT+REGTP=USER Set the type to User-defined AT+REGDT=7777772E7573722E636 Set the User-defined data in HEX. AT+REGSND=LINK Send the package as the prefix of the data AT+S Save parameters and restart Jinan USR IOT Technology Limited www.pusr.com...
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Page 22: Heartbeat Package
IMEI: Unique identification code of the Internet modem, which is mainly used in device identification, has nothing to do with SIM card. SN: Serial number. USER: User-defined data. LBS: Current latitude, longitude of the device and time. Set by the utility: Jinan USR IOT Technology Limited www.pusr.com... -
Page 23: Socket Distribution Protocol
6.3. Socket Distribution Protocol USR-DR502-E supports socket distribution protocol. When a device is connected to multiple sockets, can send different serial data to different servers via this protocol. Data returned from different server will also be sent to the serial port with the socket distribution protocol. -
Page 24: Usr Cloud
USR Cloud is an open platform for communication between devices and devices, devices and servers (Android, IOS, PC), it can achieve data remote monitoring (Modbus RTU) and transparent transmission. Our USR-DR502-E also supports connecting to USR Cloud. For details, please check this link: mp.usriot.com. 6.5. Backup Socket In transparent mode, you can set one backup socket for each socket, the modem will try to connect to backup server when cannot connect to the main server. -
Page 25: Security
After logging, you can also change the password by sending the login command again. The modem will automatically exit AT command mode if there is no login command within 30s. Set by the utility: Jinan USR IOT Technology Limited www.pusr.com... - Page 26 Save all parameters and restart Change the password: Command Operation +++a Enter serial AT command mode AT+SIGNINAT=usr_cn Login command AT+VER Query the firmware version AT+SIGNINAT=usr_cn# Change the password AT+S Save all parameters and restart Jinan USR IOT Technology Limited www.pusr.com...
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Page 27: Ntp
USR-DR502-E User Manual Technical Support: 6.7. NTP USR-DR502-E supports connecting to the NTP server for time synchronization. This function defaults to be disabled, support connecting to up to 4 NTP servers. User can send “AT+CCLK” or “AT+CCLK?” to query the current time. -
Page 28: Ftp Upgrade
"USR FTP Upgrade protocol". 6.9. Base Station Geolocation USR-DR502-E supports base station geolocation function, and can obtain general location of the device through the operator's network. Base station positioning information can be obtained through serial AT command or SMS AT command. -
Page 29: Restore To Factory Default Settings
Hardware reset: After power on, press the “Reload” button in the device for 3~15S to restore the device to factory parameters. Software reset: After enter AT command mode, send “AT+CLEAR” from the serial port to restore the device. Jinan USR IOT Technology Limited www.pusr.com... -
Page 30: Timeout Restart
USR-DR502-E User Manual Technical Support: 6.12. Timeout Restart USR-DR502-E supports timeout restart function, defaults to be enabled, 1800s. When there is no data in 30min, the device will restart automatically. You can change it via AT command: AT+RSTIM. 7. AT Commands AT command is used for controlling modem, for USR devices in transparent mode normally, you must enter AT command mode at first, then you can send AT commands to configure or query the parameter settings. -
Page 31: Serial At Commands
In transparent mode, you can also send “Command prefix+AT command” from the network side to query or change the modem’s parameter settings. Example: query socket A status, there is a carriage return and line feed after the AT command. Jinan USR IOT Technology Limited www.pusr.com... -
Page 32: Sms At Commands
If we know the phone number of the SIM card in DR502-E, we can also query or modify the parameters of it by sending SMS AT command. For example: query firmware version, there is a carriage return and line feed after the AT command. Jinan USR IOT Technology Limited www.pusr.com...
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