I
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Front/Rear Panel
Connectors
PARALLEL PORT
This rear panel connector is used with peripherals with parallel interface
such as printers and plotters. The pin-out is standard IBM PC compatible
Centronics interface, using a female
DB-25
connector, as shown in Figure 8-4.
All pins are ESD protected, data and strobe pins have 2200
pF
capacitors,
voltage levels are TTL compatible, output pins can source 15
mA
and sink
24
n-A
See
“Conhgure
the Hardcopy Port,” in Chapter 4 for information on
using this port with a printer or plotter.
opuATPE?~
ACKNOWLEDGE
ON
LI
ROBE
O-FEED
SELECT
PRINTER
PERaKrFR
View looking into connector
Figure 8-4. Parallel Port Pin-outs
8-9
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深圳市盛腾仪器仪表有限公司 Tel:0755-83589391 Fax:0755-83539691 Website: www.Sengt.com
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