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Appendix
Specifications of Interfaces and Connectors
USB Interface
USB interface connector
USB type-B connector
USB transmission specifications
USB function
USB descriptor
For detailed information about parallel, see the Technical Reference Guide for the interface board.
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 60.
USB vendor-defined class USB printer class
Vendor ID
04b8h 04b8h
Product ID
0202h 0E21h
String Descriptor
Manufacturer EPSON EPSON
Product TM-T88VI TM-T88VI
Serial number Character string based on the
product serial number
Character string based on the
product serial number