Step 1) Open Hyperterminal (or your preferred terminal emulator)

Step 2) Select new connection

Step 3) Name your port

Siretta Modem Terminal COM port name

Step 4) Choose the correct COM port

Siretta Modem Terminal COM port number

Step 5) Configure the port with the following settings:

  • Bits per second: 115200
  • Data bits: 8
  • Parity: None
  • Stop bits: 1
  • Flow control: Hardware

Siretta Modem Terminal COM port settings

Step 6) Send AT commands to the unit

Siretta Modem Terminal AT command window