USR IOT USR-DR502-E User Manual Download Page 6

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USR-DR502-E User Manual

Technical Support:

h.usriot.com

Jinan USR IOT Technology Limited

www.pusr.com

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.

NET

Network status indicator

Flashed after connecting to network.

LINKA

Socket A connection status indicator Always on after socket A is

connected

LINKB

Socket B connection status indicator Always on after socket B is

connected

Serial port data sending indicator

Will be on when sending serial data

Serial port data receiving indicator

Will be on when receiving serial data

Level 1 signal
strength

Level 1 signal strength indicator

Always on when signal strength
between 4 ~15 (CSQ)

Level 2 signal
strength

Level 2 signal strength indicator

Always on when signal strength
between 16 ~ 21 (CSQ)

Level 3 signal
strength

Level 3 signal strength indicator

Always on when signal strength
greater than 21 (CSQ)

Summary of Contents for USR-DR502-E

Page 1: ...Technical Support h usriot com www usr cn 1 USR DR502 E User Manual Document version V1 0 5...

Page 2: ...ic Parameters 10 4 2 Frame Forming Mechanism 11 4 2 1 Time Trigger 11 4 2 2 Length trigger 11 5 Selecting an Operating Mode 12 5 1 Transparent Mode 12 5 2 HTTPD Client Mode 15 5 3 SMS Mode 17 6 Genera...

Page 3: ...l interface RS485 standard interface meets the needs of different application scenarios 1 2 Features Equipped with CAT 1 network 10Mbps download rate 5Mbps upload rate meeting 80 of the data transmiss...

Page 4: ...temperature 30 75 Storage temperature 40 90 Humidity Operating humidity 5 95 non condensing Transmission speed LTE FDD Rel 13 10MbpsDL 5Mbps UL GPRS 85 6KbpsDL 85 6Kbps UL multi slot class 12 Bands L...

Page 5: ...Technical Support h usriot com Jinan USR IOT Technology Limited www pusr com 5 FOTA self upgrade Support Backup socket Support Base station geolocation Support FTP upgrade Support NTP Support 2 2 Har...

Page 6: ...icator Always on after socket A is connected LINKB Socket B connection status indicator Always on after socket B is connected TX Serial port data sending indicator Will be on when sending serial data...

Page 7: ...uipment RS485 serial to USB adaptor PC 1 Installing SIM card and antenna Insert the SIM card according to the sign next to the slot Then Install the antenna 2 Serial Connecting Connect pin A of the RS...

Page 8: ...USR IOT Technology Limited www pusr com 8 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 Con...

Page 9: ...not communicate with each other 2 Working mode selection area select the work mode of the modem 3 In the parameter setting area of characteristic functions set parameters related to modem s featured f...

Page 10: ...r com 10 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 par...

Page 11: ...reshold here is the time between packages The range of settable is 10ms 500ms Factory default 50ms This parameter can be set by AT command AT UARTFT time Note T is the packing interval time 4 2 2 Leng...

Page 12: ...D 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 seria...

Page 13: ...D NET Set the work mode to Transparent mode 3 AT SOCKAEN ON Enable Socket A 4 AT SOCKASL LONG Set Socket A to persistent link 5 AT SOCKA TCP test usr cn 2317 Set the remote IP and port of Socket A 6 A...

Page 14: ...USR DR502 E User Manual Technical Support h usriot com Jinan USR IOT Technology Limited www pusr com 14...

Page 15: ...erver parses and sends data to the serial device User does not need to pay attention to the data conversion process between the serial data and the network data packet and can achieve the data request...

Page 16: ...request type to GET 4 AT HTPURL 1 php Set the HTTP URL 5 AT HTPSV test usr cn 80 Set the HTTP server address and port 6 AT HTPHD Accept text html 0D 0A Set the HTTP request header 7 AT HTPTO 10 Set t...

Page 17: ...e In this mode user s serial device can send SMS to the specified mobile phone and receive SMS from any mobile phone User can decide whether to transmit the data of the specified mobile phone to the s...

Page 18: ...nation phone number 4 AT SMSFLT ON Enable only receive SMS from source number 5 AT VOLTEEN ON Enable VOLTE function 6 AT S Save the parameters and restart Note 1 You need to add the international numb...

Page 19: ...USR DR502 E User Manual Technical Support h usriot com Jinan USR IOT Technology Limited www pusr com 19...

Page 20: ...ions Identity package can be sent when the modem establishes a connection with the server or as the prefix of each data packet or both Identity package data can be ICCID code IMEI code SN CLOUD or Use...

Page 21: ...Operation 1 a Enter AT command mode 2 AT WKMOD NET Set the work mode to NET 3 AT REGEN ON Enable identity package function 4 AT REGTP USER Set the type to User defined 5 AT REGDT 7777772E7573722E636...

Page 22: ...ne status of the module User can also set the serial heartbeat to a fixed query command instead of sending from server to save the traffic Heartbeat package can be ICCID code IMEI code SN LBS or user...

Page 23: ...all parameters save and restart the modem Note 1 Network heartbeat package In transparent mode it will only be sent when there is no data sent to network within one heartbeat interval 2 Serial heartbe...

Page 24: ...AT command AT SDPEN 6 4 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 tr...

Page 25: ...emote IP and port of Socket A 6 AT SOCKABKEN ON Enable Socket backup function 7 AT SOCKABK TCP test usr cn 2317 Set the backup server address and port 8 AT S Save all parameters and restart 6 6 Securi...

Page 26: ...ation 1 a Enter serial AT command mode 2 AT SAFEATEN ON Enable security function 3 AT S Save all parameters and restart Change the password Command Operation 1 a Enter serial AT command mode 2 AT SIGN...

Page 27: ...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 Set by the utility Set by AT commands Command Operation 1 a Enter serial AT...

Page 28: ...e device through the operator s network Base station positioning information can be obtained through serial AT command or SMS AT command 6 10 Firmware Upgrade DR502 E supports upgrading via FOTA or US...

Page 29: ...in 5 Download the firmware 6 Upgrade successfully You can directly change to another device to upgrade After all the devices are upgraded click Stop then close the tool 6 11 Restore to Factory Default...

Page 30: ...ll parameters restart the modem to make the settings take effect Every time the modem restart will work in work mode rather AT command mode Every AT command must add character carriage return CR and l...

Page 31: ...rent mode without changing to AT command mode Command prefix defaults to usr cn Example query socket A status there is a carriage return and line feed after the AT command 7 3 Network AT Commands In t...

Page 32: ...logy Limited www pusr com 32 7 4 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 fir...

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