Centronics Interface - Spectravideo SVI 318 Service – Technical Manual

CENTRONICS INTERFACE

u u
I n p u t / O tp t Co nne c t or
1 .
U se a c o nnce t o r , AMP CHAMP
P r i n t e r . P in
o f t h e P r i n t e r
P I N S I GN AL
STRPN E
1
DATA
2 1
DATA
3 2
DATA
4 3
DATA
5 4
DATA
5
6
6
DATA
7
DATA
7
8
DATA
9
8
A K
C
1 0
1 1 BUSY
GND
1 2
N
1 3 C
GND
1 4
GND
1 5
GND
1 6
GND
1 7
CHASSIS
Maximum
+ 5V
1 8 SOmA
No te : The comb ine d output
1 .
N C stands for n o connect ion .
2 .
3 6 B A I L LOCK
c on f i g u r a t i on and i t s s i g na l s o f the recep t a c l e
d e s c r i b e d be l ow .
a r e
P IN
1 9
20
TW I S TED P A I R GND ( PA I R WITH
2 1
22
TW I S TED P A I R GND ( PA I R WITH
23
TW IS T ED P A I R GND ( PA I R WITH 6 P I N )
24
TW I STED PA I R GND ( PA I R W I TH
2 5
TW IS T ED P A I R GND ( PA I R WITH
26
TW I S TED P A I R GND ( PA I R WITH
2 7
TW ISTED P A I R GND ( PA I R WITH
2 8
TW I S TED PA I R GND ( PA I R W ITH
29
GN D
30
3 1
--
ERROR
3 2
GN D
3 3
34
C
TEST
3 5
36 + 5V
o f p i ns 1 8
TYP E , to i np u t d a t a in t o t he
S I GNAL
T�H S TED PA I R GND ( PA I R W I TH
TW I STED PAIR GND ( PA
TW I STED P A I R GND ( PA I R W I TH
IN IT IAL
K
L
and 36 is 80mA max imum .
4 . 96
in l e f t
P I N )
1
R W I TH P I N )
I 2
P I N )
3
P I N )
4
P I N )
5
P IN )
7
P I N )
8
P I N )
9
P I N )
10
P I N )
1 1
( PA I R WITH P IN )
1 4
( PA I R W ITH P IN )
1 5
( PA I R WITH P I N )
33
( PA I R WITH P I N )
1 6
r e a r