Epson C I - 4 0 7 0 All in One Printer User Manual


 
25 pin
25 pin
Appendix A System Interface Description
A-5
1.2.2 XON / XOFF
This protocol requires all signal lines.
S Pin 1 Protective Ground (PG)
S 2 Transmit Data (TXD)
S 3 Receive Data (RXD)
S 4 Request to Send (RTS)
S 5 Clear to Send (CTS)
S 6 Data Set Ready (DSR)
S 7 Signal Ground (SG)
S 20 Data Terminal Ready (DTR)
Standard Connection
For local connections RTS with CTS can be connected and likewise DTR with
DSR.