Usb Connectors; Pin Assignment - Ricoh B064 Service Manual

1.5.3 USB CONNECTORS

USB is a serial protocol and a physical link, which transmits all data on a single pair
of wires. Another pair provides power to downstream peripherals. The USB
standard specifies two types of connectors, type "A" connectors for upstream
connection to the host system, and type "B" connectors for downstream connection
to the USB device.
Type "A" connector

1.5.4 PIN ASSIGNMENT

The controller has a type "B" receptacle (CN10).
2 1
3 4
Pin No.
1
2
3
4
G338/G339
G073D904.WMF
Signal Description
Power
Data –
Data +
Power GND
10
Type "A" connector
USB I/F
Ethernet I/F
(standard for G073 model)
CN5 (SLOT1)
CPU
Controller Board
SIMAC
Wiring Assignment
Red
White
Green
White
USB
D905.WMF
D906.WMF
SM