... voice external modemTOP560X chipsetSteady performancePlug and playSuitable to desktop systemsOperating system supported: Windows 9X, NT, 2000, XPSpecification:Communication ... 14400bpsData correct: V.42 LAPM and MNP2-4Command system: EIA/TIA 578 class 1 concurrently hays at ... commandOperating system support: Windows 98, ME, 2000, XPFlow control: ...