User's Manual

Tally Dascom DT-210/230 User Guide V1.3
60
3 H Data 1
Pin No. Signal From Description
4 H Data 2
5 H Data 3
6 H Data 4
7 H Data 5
8 H Data 6
9 H Data 7 (The highest bit)
10 P
ACK Signal; Printer response signal, indicates that
the printer has received a Data byte.
11 P
Busy Signal; The printer is busy; High level
indicates that the printer can’t receive data.
12 P
PE Signal; Paper end signal; High level indicates
that the printer is out of paper.
13
－
Unconnected
14
－
Unconnected
15
－
Unconnected
16 Logic Ground
17 Frame Ground, separated from logic ground.
18
－
Unconnected
19~30 Logic Ground
31
－
Unconnected
32 P
Printer error signal. Low level indicates that an
error occurs in the printer. It will come with paper
end.
33 Logic Ground
34~35
－
Unconnected
36 Unconnected
H indicates that signal comes from Host computer; P indicates that signal comes
from Printer.
Parallel interface connector diagram