... , digital cameras, MP3,MP4 ,scanners Etc. 4.ELECTRICAL(1) 100% Open and Short Test (2) Hi-Pot:DC 300V 10ms(3) Insulation Resistance ... :10M OHM /300V Min(4) Contact Resistance: 0.01 OHM Max(5 ... . Originally, USB 2.0 was intended to go only as fast as 240Mbps, but in October 1999, USB 2.0 Promoter Group pumped up the speed to 480Mbps ...