49
UBI EasyCoder 91 – Installation & Operation Ed. 1
Appendix 3 Communication Cables
Communication Cables
Handshake:
DSTB to printer and BUSY to host.
Computer end:
Depends on type of host computer
(IBM-PC: DB25 male connector).
Printer end:
36-p male Centronics connector.
Pin
Function
Transmitter
1
-Strobe
Host
2–9
Data 0–7
Host
10–11
Busy
Printer
12
Paper empty
Printer
13
Select
Printer
14–15
N/C
16
Signal ground
17
Chassis ground
18
N/C
19–30
Signal ground
31
-Init
32
-Fault
Printer
33
Signal ground
34–36
N/C
Appendix 3
Parallel
Interface
(Centronics)