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Connecting the SRX300 to External Devices

Connecting the Dial-Up Modem to the Console Port on the SRX300 Services Gateway

To connect the dial-up modem to the console port on the services gateway:

  1. Turn off power to the services gateway.
  2. Turn off power to the modem.
  3. Connect one end of the Ethernet cable into the console port on the services gateway.
  4. Connect the other end of the CAT-5e cable (Ethernet cable) into the RJ-45 to DB-9 serial port adapter.
  5. Connect the serial port adapter to a separately purchased DB-9 socket to DB-25 plug adapter or other adapter appropriate for your modem.
  6. Plug the modem adapter into the DB-25 connector on the modem.
  7. Connect the modem to your telephone network.
  8. Turn on the power to the modem.
  9. Power on the services gateway by pressing the Power button on the front panel. Verify that the PWR LED on the front panel turns green.
    Note:

    Most modems have an RS-232 DB-25 connector. You must separately purchase an adapter to connect your modem to the RJ-45 to DB-9 adapter and the Ethernet cable.
    Note:

    We no longer include a DB-9 to RJ-45 cable or a DB-9 to RJ-45 adapter with a CAT5E copper cable as part of the device package. If you require a console cable, you can order it separately with the part number JNP-CBL-RJ45-DB9 (DB-9 to RJ-45 adapter with a CAT5E copper cable).

Connecting to the SRX300 Firewall CLI Using a Dial-Up Modem

To remotely connect to the CLI through a dial-up modem connected to the console port on the services gateway:

  1. Connect a modem at your remote location to a management device such as a PC or laptop computer.
  2. Start your asynchronous terminal emulation application (such as Microsoft Windows HyperTerminal) on the PC or laptop computer.
  3. Select the COM port to which the modem is connected (for example, COM1).
  4. Configure the port settings :

    • Bits per second—9600

    • Data bits—8

    • Parity—None

    • Stop bits—1

    • Flow control—None

  5. In the HyperTerminal window, enter AT.

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

  6. Dial the modem that is connected to the console port on the services gateway by entering ATDT remote-modem-number. For example, if the number of the modem connected to the console port on the services gateway is 0013033033030, enter ATDT 0013033033030.

    The services gateway login prompt appears.

  7. Log in as the root user. No password is required at initial connection, but you must assign a root password before committing any configuration settings.