In order to download, you must follow the instructions below.
1. Select the model name
2. Select your service provider
3. Select your operating systems
4. Select either connection manager or the manual.



 For Mac Users

    Please click HERE to download Mac Connection Manager Software which supports up to Mac OS X 10.5 Leopard.

      Compatible models with this Mac Connection Manager Software
        - CCU-550(Only Dual Ports)
        - CDU-550
        - CDU-650
        - CDX-650
        - CDU-680