Tally T5023+ Programming Manual - page 387
Manual is about: Multi-functional flat bed printer
of
404
Appendix
Description of the physical interface
T5023/5023+ - Programming Guide
377
Pin-No. Host
(1284-A)
25-pin
D-SUB plug
Pin-No. Printer
(1284-B)
36-pin
Centronics plug
Signal description
25
30
Signal Ground (nAutoFd,
nSelectIn, nInit)
16
Logic Ground
17
Chassis Ground
18
Peripherial Logic High (+5V)
15, 33-35
Not defined