Interface Specifications; Usb Interface Overview - Oki C911 Maintenance Manual

Oki Data CONFIDENTIAL
1.5 Interface specifications
1.5.1 USB interface specifications
1.5.1.1

USB interface overview

(1) Basic specifications
USB (Hi-Speed USB supported)
(2) Transmission mode
Full speed (Max. 12 Mbps ± 0.25%)
High speed (Max. 480 Mbps ± 0.05%)
(3) Power control
Self-powered device
1.5.1.2 USB interface connectors and cables
(1) Connector
• Printer side: B-receptacle (female)
Upstream port
Product equivalent to UBB - 4R - D14C - 4D(LF)SN
• Cable side: B-plug (male)
45530603TH Rev.2
Connector pin arrangement
2 1
3 4
(2) Cables
Length: USB 2.0 cables no more than five meters long (two meters or less
recommended)
(Shielded USB 2.0 cables shall be used.)
1.5.1.3 USB interface signals
Signal name
1 Vbus
2
3
4 GND
Shell Shield
1. CONFIGURATION
Function
Power Supply (+5V)
D- For data transfer
D+ For data transfer
Signal ground
1-9