Optional Ieee 1284 Parallel Interface Card; Parallel Interface Card; Parallel Lnterfa Ce Pin-Out - Olivetti PR2 E Service Manual

3.4.3 OPTIONAL IEEE 1284 PARALLEL INTERFACE CARD
The optional parallel interface card hosts a 36-pin Centronics parallel interface. It is installed in the
specific slot alongside the first serial interface on the rear ofthe printer. It is suggested to use an interface
cable up to 1.5 meters long. The ECP data exchange protocol is used.
This card is shown in the following figure.
CENTRONICS
,
INTERFACE
J
1
CONNECTOR J1 FOR
CONNECTION TO
THE MAIN BOARD
Fig. 3-9 Parallel Interface Card
STROBE Ol
DATAOM
DATA l lU
DATA 2 Ul
DATA 3
05
DATA A M
DATA 5 07
DATA 6 08
DATA 7
C Q
ACKNOWEDGE 10
BUSY 1 l
PAPER EMPTY 12
ON LINE 13
AUTOFEED Xl
l
A
NC 15
LOGIC GROUND 16
FRAME GROUND 17
r 5 V 18
19 GROUND
20 GROUND
21 GROUND
22 GROUND
23 GROUND
24 GROUND
25 GROUND
26 GROUND
27 GROUND
28 GROUND
29 GROUND
30 GROUND
31 INIT.
32 ERROR
33 LOGIC GROUND
?d
NC
35
t5
V (PUU-UP: 3.3K ohm)
36 INRII
I
SELECT IN
Fig. 3- 10 Parallel lnterfa ce Pin-Out
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