1.2.2XON / 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
25 pin
Appendix A System Interface Description
25 pin
For local connections RTS with CTS can be connected and likewise DTR with