Oki Pro1040 - USB Interface Specifications

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Specifications
USB Interface Specifications
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<Basic specifications>
USB (Hi-Speed USB compatible)
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<Connectors>
B receptacle (female) upstream port
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<Cables>
USB 2.0 specification cable at 5 m or less (2 m or less recommended)
(Use shielded cables.)
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<Transmission modes>
Full speed (maximum 12 Mbps ±0.25%)
High speed (maximum 480 Mbps ±0.05%)
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<Power control>
Self-powered device
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<Connector pin layout>
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<Interface signals>
Signal
name
Function
1 Vbus Power (+5 V)
2 D- For data transfer
3 D+ For data transfer
4 GND Signal ground
Shell Shield Frame ground