MS3xx and MS6xx reset password to factory default

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Please follow the instruction as below and reset the password to default.


  1. Turn off the unit, disconnect any Ethernet cables attached to the module.
  2. Press and hold S1 switch (on the left of the RJ45) and turn on the unit
  3. After 6 seconds, release S1 and then the unit should revert back to default settings as below:



Username: admin

Password: system

  1. Follow the manual’s RJ45 remote control port section settings, change the factors as below and then start to use.

TCP control: server mode protect timeout set to 0

UART control: Baudrate set to 9600

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