User Tools

Site Tools


x68000:rs232_null_modem_cable_with_partial_handshaking

Differences

This shows you the differences between two versions of the page.


Previous revision
x68000:rs232_null_modem_cable_with_partial_handshaking [2019/08/27 20:45] (current) – external edit 127.0.0.1
Line 1: Line 1:
 +This article was inspired by http://www.lammertbies.nl/comm/info/RS-232_null_modem.html
  
 +====== How to make a null modem cable for X68000 <> PC data transfers ======
 +
 +Here are the pinouts for confirmed working null modem cable with partial handshaking. It is fully Magic Knights tutorial compatible, handles speeds up to 38400 bps reliably and supports hardware flow control.
 +
 +{{:x68000:x68000_null_modem_cable_v2.png |}}
 +
 +|  Signal name  |  DB9 Female  |  DB25 Male  |  Signal name  |
 +|  Data Carrier Detect (DCD)  |  1  |  4 + 5  |  Request To Send (RTS) + Clear To Send (CTS)  |
 +|  Receive Data (RD)  |  2  |  2  |  Transmit Data (TD)  |
 +|  Transmit Data (TD)  |  3  |  3  |  Receive Data (RD)  |
 +|  Data Terminal Ready (DTR)  |  4  |  6  |  Data Set Ready (DSR)  |
 +|  Signal Ground (SGND)  |  5  |  7  |  Signal Ground (SGND)  |
 +|  Data Set Ready (DSR)  |  6  |  20  |  Data Terminal Ready (DTR)  |
 +|  Request To Send (RTS) + Clear To Send (CTS)  |  7 + 8  |  8  |  Data Carrier Detect (DCD)  |
 +
 +
 +Keep the scene alive !
 +
 +Eidis