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