Oki C911dn C911dn/C931dn/C941dn Basic User's Guide - Page 138
USB interface specifications
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Before use Setting Up Specifications USB interface specifications 1 zzBasic specifications USB (supports Hi-Speed USB) zzConnectors B receptacle (female) upstream port zzCables 5m max. USB2.0 specifications cable (2m max. recommended) 2 (Do not use shielded cable wires.) zzSend mode Full speed (12Mbps±0.25% max.) High speed (480Mbps±0.05% max.) zzPower control 3 Self-powered device zzConnector pin array 4 zzInterface signals 1 2 3 4 Shell Signal name Vbus DD+ GND Shield Function Power supply (+5V) For data transfer For data transfer Signal ground Printing Basic Device Operations Appendix Index - 138 -
![](/manual_guide/products/oki-data-c911dn-c911dnc931dnc941dn-basic-users-guide-f638c3b/138.png)
Specifications
Appendix
Printing
3
Setting Up
2
Before use
1
Basic Device Operations
4
Index
- 138 -
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