Appendices Appendix C Pin Assignments
C-36 [CONFIDENTIAL] TECRA S3 Maintenance Manual (960-532)
FDRUS Board
C.39 CN4622 System board interface connector (12-pin)
Table C-39 System board interface connector (12-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 GND - 2 GND -
3 D- (Port 3) I/O 4 D+ (Port 3) I/O
5 USB Power - 6 USB Power -
7 D- (Port 4) I/O 8 D+ (Port 4) I/O
9 GND - 10 GND -
11 NC - 12 NC -
C.40 CN4620 USB Port 3 connector (4-pin)
Table C-40 USB Port 3 connector (4-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 USB Power - 2 D- I/O
3 D+ I/O 4 GND -
1T GND - 2T GND -
3T NC - - -
C.41 CN4622 USB Port 4 connector (4-pin)
Table C-41 USB Port 4 connector (4-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 USB Power - 2 D- I/O
3 D+ I/O 4 GND -
1T GND - 2T GND -
3T NC - - -
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