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Sagem F@st 1201 : Optus DSL Broadband Supplied Modem

Installing Filters
Connecting via Ethernet
Starting Your Modem
Configure Your Modem

Sagem F@st 120 ADSL modem supplied by Optus has been customised by Sagem for optimal performance on the Optus DSL Broadband service.

While these instructions are provided for your convenience, the simplest and recommended method to install and configure your modem for the Optus DSL Broadband service is to follow the step by step instructions on the quick install guide provided with your modem.

Installing Filters

A filter must be installed on each of the telephony devices that share the same telephone line as your Optus DSL Broadband service. These include:

  • telephones
  • fax machines
  • dial-up modems
  • answering machines
  • some digital pay TV equipment
  • any other device connected to your DSL enabled telephone line


  1. To install the filter connect the side labelled Line to the telephone wall socket.
  2. If you have a different wall socket (600 series as pictured) you need to use an adaptor (605 to RJ11). These can be purchased from any electronics stores.
  3. Connect the grey telephone cable between the filter port labelled ADSL and the grey port on the modem labelled Line.
  4. Connect your telephone to the port on the filter labelled Phone.
  5. Place a filter on all telephones or similar devices at your premises by unplugging the telephone cord and placing a filter between the phone and the wall socket as shown.
  6. If you have a home monitoring service (Back to Base security or medical alarm) that uses the same phone line as your DSL service, it is your responsibility to arrange for a central filter to be installed in your premises at your own expense. If you do not do this, you will experience problems with your DSL connection and your monitoring service. If you require further information about central filters, please contact the provider that monitors your alarm. Alternatively you can arrange for one to be installed by Service Stream Solutions on 1300 300 450.


Connecting via Ethernet

Optus recommends that you connect the modem with the supplied yellow Ethernet cable. If you can not use this cable, please insert the Optus supplied CD and follow the step by step USB connection instructions.




  1. Connect the yellow Ethernet cable to the yellow port on your modem labelled Ethernet.
  2. Connect the other end of the yellow Ethernet cable to the Ethernet port of your computer which is labelled with this symbol on most computers.
  3. Connect the modem power cable to a power point and the other side to the modem port labelled Power.


Starting your Modem


1. Switch your modem on by pressing the Power button on the back of the modem.


2. The Power LED and Eethernet will light up. The LED labelled Llink will blink during initialisation then after a couple of minutes will remain a steady green.

If the link LED keeps blinking your modem is unable to establish a broadband connection. please check:

  1. The Power LED is steady green and ensure all cables are connected as described in Step 2 and Step 3
  2. You are installing your modem after the activation date that you have received from Optus.

If you still cannot connect to the internet please call Optus Customer Care on 133 937, or 133 343 for Small Business customers.





Configure Your Modem


  1. Open your internet browser (e.g. Internet Explorer, Firefox, or Safari) and type 10.1.1.1 in the address field of the browser.
  2. On the page that appears, click on Internet Connection in the blue menu of options on the left side of the page.
  3. Replace the default username (john_citizen@optusnet.com.au) and password with your personal username and password as provided in your Welcome letter and click Save/ Apply.
  4. The modem will now connect to the Internet, this may take a few minutes. You can check if the connection has been set up by pressing the Refresh button on the right upper side of the page.
    The light labelled Internet on the right side of the page will turn to green if the connection has been set up.
  5. Close and reopen your browser.