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Comparison between USB and other buses
- 1. A. Esposito, M. MarinelloThe Universal Serial Bus19
USB contro i suoi avversari
RS-232
(serial port)
Parallel port Game port
Apple
Desktop Bus
IEEE 1394
(“FireWire”)
PS/2 USB Thunderbolt
Presentation
date
1962 1981 1981 1986 1986 1987 1996 2009
Reversible
(only type-C)
(only v. 3)
Hotplug
(usually)
Sometimes Sometimes
Maximum
length
15m 4.5m -unknown- 5m 4.5m 25m
5m
(v. 2.0+)
0.5 (40Gbps)
2m (20Gbps)
Maximum
bitrate
115200 bit/s 200 Mbps 4.8 Mbps 0.125 Mbps 3200 Mbps 0.012 Mbps 40 Gbps 40 Gbps