Epson TM-T20II

Appendix
89
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
USB descriptor
Overall specifications According to USB 2.0 specifications
Transmission speed USB Full-Speed (12 Mbps)
Transmission method USB bulk transmission method
Power supply specifications USB self power supply function
Current consumed by USB bus 2 mA
USB packet size (with full-speed
connection)
USB bulk OUT (TM) 64 bytes
USB bulk IN (TM) 64 bytes
USB device class Select USB printer class or USB vendor-
defined class with the memory switch.
USB vendor-defined class USB printer class
Vendor ID 04b8h 04b8h
Product ID 0202h 0E15h
String Descriptor Manufacturer EPSON EPSON
Product TM-T20II TM-T20II
Serial number Character string based on
the product serial number
Character string based on
the product serial number