Usb Host Interface Specifications; Usb Host Interface Overview; Usb Host Interface Connector; Usb Host Interface Signals - Oki B721 Maintenance Manual

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1.5.3 USB host interface specifications

1.5.3.1

USB host interface overview

(1) Basic Specification
USB
(2) Transmission Mode
Hi Speed (480 Mbps ± 0.05 % max.)
(3) Supply Power
Max. 500 mA
(4) Connection devices
USB memory
1.5.3.2

USB host interface connector

USB A plug connector
Connector pin arrangement
1.5.3.3

USB host interface signals

Name of Signal
1 Vbus
2 D -
3 D +
4 GND
Shell Shield
45487001TH Rev.1
4 3 2 1
Function
Power Supply (+5V)(red)
Data transmission (white)
Data transmission (green)
Single ground (black)
1.5.4 Wireless LAN interface specifications (Wireless
Model only)
1.5.4.1

Wireless LAN interface overview

(1) Specification
IEEE802.11 b/g/n (2.4GHz)
(2) Power connector
USB Micro B
(3) Power supply voltage
5 V
(4) Printer side interface
IEEE802.3u 10/100BASE (LAN port)
USB Micro B
Chip Antena
Note! This product cannot connect to a wired LAN and wireless LAN at the same
time.
1. Configuration
X: Do not connect.
(Blue)
LAN Port
(Yellow)
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