Epson SR-600 - Manual (Page 159)

Rev.A Interfaces Appendix 1-5
Developer's Guide SR-600 Confidential
USB Port
Two USB connectors are placed on the bottom of the unit. The electric current capacity of the
connected devices must be 500mA or less.
A1-6 USB port connector
Table A1-4 USB connector port pin assignments(IO board CN4)
No. Signal name I/O
1 +5V --
2 USB- I/O
3 USB+ I/O
4 GND --
１ 4