Canon BJ M70 Manuel de référence - Page 6
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6)
Maximum received 2048 byte/packet
data size
7)
Modulation method 3/16 RZI (Return to Zero Invert):
4-2-2. USB Interface
<Specifications>
1)
Device structure
2)
Data transfer
method
3)
Input/output circuit No.
4)
Interface cable
5)
Interface connector Printer-side: USB standard, Series B receptacle
when the transfer speed is less than 115.2kbps
1/4 RZI (Return to Zero Invert):
when the transfer speed is 0.576Mbps and 1.152Mbps
4 PPM (Pulse Position Modulation):
when the transfer speed is 4Mbps
Self-powered device
Half duplex serial interface
Universal Serial Bus Specification Revision 1.0 compatible
Universal Serial Bus Device Class Definition for printing
Device Version 1.0 compatible
Signal rate: 12Mbps (full speed)
Transfer type: Control transfer/Bulk transfer
Signal name
1
Vcc
2
-Data
3
+Data
4
GND
<Signal level>
Vcc: "H" level input voltage: +2.0V to +5.5V
"L" level input voltage: +0.0V to +0.8V
-Data, +Data: Differential input sensitivity
"H" level input voltage: +2.8V to +3.6V
"L" level input voltage: +0.0V to +0.3V
Material: AWG No.28 or larger
Full speed device cable (with twisted-pair shield)
Less than 5 mm
Cable-side: USB standard, Series B plug
4
Data signal line
Data signal line
2
1
3
4
Series B