Canon DR-9080C Service Manual page 68

CHAPTER 2 FUNCTIONS & OPERATION
2. USB 2.0
USB 2.0 (Universal Serial Bus 2.0) is a serial
interface standard, and provides fast data
transmission.
This machine supports High-Speed USB 2.0,
and the data transfer rate between the unit and the
personal computer is up to 480 Mbits/sec.
Fig. 2-702 shows the data input/output
between the machine and the computer when
connected with USB. Table 2-702 gives the signal
descriptions for the USB connector.
connector number on the main CPU PCB is J124.
PC
DM, DP
Fig. 2-702
Pin No. Signal
1 VBUS
2 DM
3 DP
4 GND
Table 2-702
USB is also referred to as a differential
interface, and uses 2 signal lines for a single
signal.
2 - 44
The
DR-6080/
9080C
(J124)
Remarks
Vcc (+5V)
Differential
signal(-)
Differential
signal(+)
Ground
COPYRIGHT © 2003 CANON ELECTRONICS INC. CANON DR-6080/9080C REV.0 SEPT. 2003