Specifications
Appendix
Setting Up
2
B
efore use
1
Printing
3
Basic D
evice Oper
ations
4
Index
- 133 -
USB interface specifications
z
Basic specifications
USB (supports Hi-Speed USB)
z
Connectors
B receptacle (female) upstream port
z
Cables
5m max. USB2.0 specifications cable (2m max. recommended)
(Do not use shielded cable wires.)
z
Send mode
Full speed (12Mbps±0.25% max.)
High speed (480Mbps±0.05% max.)
z
Power control
Self-powered device
z
Connector pin array
z
Interface signals
Signal
name
Function
1
Vbus
Power supply
(+5V)
2
D-
For data transfer
3
D+
For data transfer
4
GND
Signal ground
Shell
Shield