MITSUBISHI ELECTRIC MS540 - Manual (Page 60)

T e c h n i c a l I n f o r m a t i o n
B/4
System Ports (external connections)
Serial communications COM 1, COM 2
9 way Male D-type connector
1. Data carrier detect 2. Receive data
3. Transmit data 4. Data terminal ready
5. Signal ground 6. Data set ready
7. Request to send 8. Clear to send
9. Ring indicate
Parallel port
25 way female D-type connector
1. -Strobe 2. Data bit 0 3. Data bit 1
4. Data bit 2 5. Data bit 3 6. Data bit 4
7. Databit 5 8. Data bit 6 9. Data bit 7
10. -ACK 11. BUSY 12. PE
13. SLCT 14. -Auto Feed 15. -ERROR
16. -INIT 17. -SLCT IN 18. to 25. (incl.) Ground.
5 1
6 9
10101
13 1
25 14