USR IOT USR-N540 User Manual

USR-N540 User Manual www.usriot.com
Jinan USR IOT Technology Limited 58 / 73 inquiry@usriot.com
Correct execution: FF 01 CMD 'K'
User name/password fault returns: FF 01 CMD 'P'
Others faults return: FF 01 CMD 'E'
4.2. Serial Setting Protocol
4.2.1. Error Code
List of Error Code
Error
State
ERR1
Invalid command format
ERR2
Invalid command
ERR3
Invalid Operator
ERR4
Invalid Parameters
ERR5
Operation not allowed
ERR6
No operation permission
4.2.2. AT Command
Details of AT command refer to: https://www.usriot.com/download/M4/USR-N50-AT-Command-Set_V1.0.0.pdf
AT Command List:
Command
Instruction
E
Open/close display function
Z
Reboot device
VER
Query version number
ENTM
Enter to transparent transmission mode
MAC
Query MAC
USERMAC
Set customize MAC
RELD
Restore to factory setting
WANN
Query/set parameters of WAN port
DNS
Query/set DNS
WEBU
Query/set username and password of webpage
WEBPORT
Query/set port of webpage

USR IOT USR-N540 Specifications

General

Brand	USR IOT
Model	USR-N540
Category	Server
Language	English