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Parallel port (12):
Pin
Description
1.
Strobe"
2.
Data 0
3.
Data 1
4.
Data 2
5.
Data 3
6.
Data 4
7.
Data5
8.
Data 6
9.
Data 7
10.
Ack*
11.
Busy
12.
Paper end
13.
Select
14.
Auto finefeed*
15.
Error*
16.
Initialize*
17.
Select in*
18-25
GND
* Active low
Serial port RS-232C (13):
Pin
OONoOarAwWN
=
Description
CD (carrier detected)
RXD (received data)
TXD (transmitted data)
DTR (data terminal ready)
GND
DSR (data set ready)
RTS (request to send)
" CTS (clear to send)
RI (ring indicator)
Supply connector (10):
Pin
1.
2.
3
Description
Va (5.6V DC +3/-6%
Vb (6.1V DC +/- 5%
POK (7.15V DC - 7.65V DC 0A - 50 mA)
Outer shield = Ground
PARALLEL
CENTRONICS
SERIAL
CENTRONICS
45 711 At&
MDA.02668
719/019
CS 55 796
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