Connecting the Modem at the SRX110 Services Gateway End

Note: These instructions use Hayes-compatible modem commands to configure the modem. If your modem is not Hayes-compatible, refer to the documentation for your modem and enter the equivalent modem commands.

To configure the modem on the services gateway end:

  1. Connect the modem to a PC or laptop computer.
  2. Power on the modem.
  3. From the PC or laptop computer, start your asynchronous terminal emulation application (such as Microsoft Windows HyperTerminal), and select the COM port to which the modem is connected (for example, COM1).
  4. Configure the port settings as shown in Table 33.

    Table 33: Port Settings for Configuring the Modem on the Services Gateway End

    Port Setting


    Bits per second


    Data bits




    Stop bits


    Flow control


  5. In the HyperTerminal window, enter AT.

    For more information on the AT commands, see the following guides:

    An OK response verifies that the modem can communicate successfully with the COM port on the PC or laptop.

  6. Configure the modem to answer a call on the first ring by entering ATS0=1.
  7. Configure the modem to accept modem control DTR signals by entering AT&D1.
  8. Disable flow control by entering AT&K0.
  9. Save modem settings by entering AT&W.

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