Epson EX-1000 User Manual page 170

Notes:
1. The column heading "Direction" refers to the direction of signal flow
as viewed from the printer.
2. "Return" denotes the twisted-pair return, to be connected at signal
ground level. For the interface wiring, be sure to use a twisted-pair
cable for each signal and to complete the connection on the return
side.
Technical Specifications
G - 5