Usb Interface - Custom Engineering VKP80II User Manual

2.2 USB INTERFACE

(Fig.2.3)
Printers with USB serial interface conform to USB 1.1 standards and have the following specifi cations:
• Communication speed 12 Mbit/sec
• "Receptacle series B" - type connector.
Refer to the table below for the connector pin signals and connection to a device:
PIN
Shell
SIGNAL
VBUS
1
D-
2
D+
3
GND
4
Shield
2 2
3 3
USB type B
DESCRIPTION
N.C.
Data -
Data +
Ground signal
Cable shield
User Manual
2. INTERFACES
1 1
4 4
(Tab.2.2)
VKP80II 2-3