I
-
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
mA.
See “Configure the Hardcopy Port,” in Chapter 4 for information on
using this port with a printer or plotter.
opuATPpEq:
ACKNOWLEDGE
SELECT
PRINTER
PR
,
NTER
ERROR
View looking into connector
pa622b
Figure 8-4. Parallel Port Pin-outs
8-9
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