Tally Dascom DT-210 User Manual page 40

Tally Dascom DT-210/230
5 H
6 H
7 H
8 H
9 H
10 P
11 P
12 P
－
13
－
14
－
15
16 Logic Ground
17 Frame Ground, separated from logic ground.
－
18
19~30 Logic Ground
－
31
32 P
33 Logic Ground
－
34~35
36 Unconnected
H indicates that signal comes from Host computer; P indicates that signal comes from
Printer.
Parallel interface connector diagram
Data 3
Data 4
Data 5
Data 6
Data 7 (The highest bit)
ACK Signal; Printer response signal, indicates that
the printer has received a Data byte.
Busy Signal; The printer is busy; High level
indicates that the printer can't receive data.
PE Signal; Paper end signal; High level indicates
that the printer is out of paper.
Unconnected
Unconnected
Unconnected
Unconnected
Unconnected
Printer error signal. Low level indicates that a
error occurs in the printer. It will come with paper
end.
Unconnected
29