FAQ

  • My modem is having problems dialling up what should I do? Read Answer
  • How do I make my modem autoanswer? Read Answer
  • How do I install the DU-520 on a Macintosh OS X? Read Answer
  • How to check if my modem has been installed correctly? Read Answer
  • What type of ISDN is this product designed for? Read Answer
  • What is the speed transfer between the DUB-1310 and USB 3.0 device? Read Answer