TA Triumph-Adler LP 4140 - Manual (Page 155)

Computer Interface
ADVANCED OPERATION GUIDE 5-5
USB Interface
This printer supports the Hi-Speed USB (Universal Serial Bus) interface
specifications and interface signals are as follows.
Specifications
Basic specification
Complies with the Hi-Speed USB
Connectors
Printer: B-type receptacle (female) with upstream port
Cable: B-type plug (male)
Cable
Use a shielded cable that complies with Hi-Speed USB and not longer than
5 meters (16 feet).
Transfer Mode
Hi-Speed (max. 480 Mbps)
Power Control
Self-power device
Interface Signals
USB Connector Pin Assignment
Pin Signal Description
1 Vbus Power supply (+5 V)
2 D- Data transmission
3 D+ Data transmission
4 GND Signal ground
Shell — Shield