Appendix B: Interface Connection Specifics; Parallel Interface; Table 11 Parallel Interface Pin-Outs - TransAct POSjet 1500 Operator's Manual

Appendix B: Interface Connection Specifics

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There are two parallel interface cards available. One is a 25-pin, D-shell connector. The pin-out is such that the
printer interfaces to a standard IBM PC parallel printer interface with a one-to-one cable. The second interface card
provides the same interface with a standard, 36-pin Centronics type connector. Both cards provide a dual cash
drawer interface. The tables below lists interface signals and pin definitions for both types of parallel interfaces.
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Table 11 Parallel Interface Pin-outs

: * : * : * : *
Voltage levels
Logic levels
Logic one
Logic zero
" " " "
Logic one
Logic zero
Line termination
Data and control
Strobe
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945 5 5 5 94 94 94
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Driver
Receiver
Driver
Receiver
Source
Sink
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5 B
& AM
@6 2
(
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&6: )M
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: #%
N =
%
0 V and +5 V (nominal)
+2.4 V to +5 V
+2.0 V to +5 V
0 V to +0.4 V
0 V to +0.8 V
0.25 ma at +2.4 V
16 ma
3.3k ohm to +5 V
1.2k ohm to +5 V
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