Appendix; Specifications Of Interface And Connector; Usb (Universal Serial Bus) Interface - Epson TM-T20II Technical Reference Manual

Appendix

Specifications of Interface and Connector

USB (Universal Serial Bus) Interface

USB interface connector
Has a USB upstream port connector (USB type-B connector)
USB transmission specifications
USB function
Overall specifications
Transmission speed
Transmission method
Power supply specifications
Current consumed by USB bus
USB packet size (with full-speed
connection)
USB device class
USB descriptor
Vendor ID
Product ID
String Descriptor
USB bulk OUT (TM)
USB bulk IN (TM)
USB vendor-defined class
04b8h
0202h
Manufacturer EPSON
Product TM-T20II
Serial number Character string based on
the product serial number
According to USB 2.0 specifications
USB Full-Speed (12 Mbps)
USB bulk transmission method
USB self power supply function
2 mA
64 bytes
64 bytes
Select USB printer class or USB vendor-
defined class with the memory switch.
USB printer class
04b8h
0E15h
EPSON
TM-T20II
Character string based on
the product serial number
Appendix
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