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How do you return an SR2MOD03 Modem communication port to the original factory port settings?

Connect to the modem using Hyper Terminal, key in the command ATZ and hit the enter key. This will load all of the factory original  profile settings which include communication port parameters specifically intended for Twido communications. Issuing the command AT&V will display the active profile parameters for you to verify that it is set back to factory.

  • Data rate: 19200 baud.
  • Data size: 8 bits.
  • Parity: No Parity
  • Stop bits: 1 stop bit
  • Flow control: Hardware flow control deactivated.
  • DSR Signal: DSR OFF
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