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Appendix
Specifications of Interfaces and Connectors
Description
•
Full-speed transmission at 12 Mbps [bps: bits per second]
•
Plug & Play, Hot Insertion & Removal
USB Interface
USB interface connector
USB type-B connector
USB transmission specifications
USB function
USB descriptor
Item
Specifications
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
Both USB vendor-defined class and USB printer class are supported.
To set the USB device class, see
"Software Settings" on page 26
.
USB vendor-defined class
USB printer class
Vendor ID
04B8h
04B8h
Product ID
0202h
0E27h
String Descriptor
Manufacturer
EPSON
EPSON
Product
TM-T20IIIL
TM-T20IIIL
Serial number
Character string based on the
product serial number
Character string based on the
product serial number