USB
SM
6-3
G073/G074
Det
a
iled
De
s
c
ri
ptions
6.2.3 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
Type “B” connector
6.2.4 PIN ASSIGNMENT
The controller has a type “B” receptacle (CN10).
Pin No.
Signal Description
Wiring Assignment
1
Power
Red
2
Data –
White
3
Data +
Green
4
Power GND
White
G073D904.WMF
G073D905.WMF
Controller Board
S I M A C
Parallel I/F
IC Card I/F
NVRAM
CN5 (SLOT1)
CN4
C P U
CN1
CN2
USB I/F
Ethernet I/F
(standard for G073 model)
1
2
3
4
G073D906.WMF
Summary of Contents for G056
Page 1: ...G056 G058 G073 G074 SERVICE MANUAL 001048MIU RICOH GROUP COMPANIES ...
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Page 147: ...G555 PAPER TRAY UNIT G556 ENVELOPE FEEDER ...
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Page 157: ...G552 DUPLEX UNIT ...
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Page 167: ...G553 FOUR BIN MAILBOX ...
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Page 177: ...G554 ONE BIN SHIFT TRAY ...
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Page 185: ...SwapBox and SwapFTL Installation Manual ...
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Page 197: ...SwapFTL Binary Utility Operation Manual ...
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Page 209: ...SM G056 G058 13 11 3 4 HELP MENU 3 4 1 HELP ABOUT SWAPUTI SwapBox And SwapFTL FUNCTIONS ...
Page 210: ...G073 G074 SERVICE MANUAL ...
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Page 226: ...TROUBLESHOOTING ...
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Page 275: ...TECHNICAL SERVICE BULLETINS ...
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Page 296: ...Tech Service Bulletin No G056 G058 006 Page 2 of 5 Continued Page 6 Page 4 ...
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Page 298: ...Tech Service Bulletin No G056 G058 006 Page 4 of 5 Continued Page 22 ...