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D T R
R I
1 4 1 1 5
H o s t
N C R
7 8 0 0
2 5 - P i n D - S h e l l
C o n n e c t o r
9 - P i n o r 2 5 - P i n
D - S h e l l C o n n e c t o r
G R D
D S R
C T S
R T S
R D
T D ( S D )
1
1 4
1 3
2 5
W i r i n g C h a r t
V i e w e d f r o m
W i r e S i d e
( F e m a l e
C o n n e c t o r )
N C R 7 8 0 0
R S - 2 3 2 C o n n e c t o r
T e r m s
G R D
T D
R D
R T S
C T S
D S R
D T R
R I *
2 5 - p i n D - s h e l l
C o n n e c t o r
P i n N u m b e r s
7
2
3
4
5
6
2 0
2 2
* R I a n d D S R a r e h e l d h i g h b y t h e N C R 7 8 0 0 .
D i s t a n c e s L e s s T h a n 5 0 F e e t ( 1 5 . 2 m )
N o t e : N a m e s a r e i n r e f e r e n c e t o D T E ( i . e . T D
i m p l i e s t h e N C R 7 8 0 0 r e c e i v e s o n t h i s l i n e ) .
9 - p i n D - s h e l l
C o n n e c t o r
P i n N u m b e r s
5
3
2
7
8
6
4
9
H o s t C o n n e c t o r
I f 9 - p i n
D - S h e l l
5
3
2
7
8
6
4
9
I f 2 5 - p i n
D - S h e l l
7
2
3
4
5
6
2 0
2 2
1 4 1 1 6
D C E
D T E
D C E
D T E
S h o r t R a n g e
M o d e m
S h o r t R a n g e
M o d e m
X M T +
X M T -
G
R C V +
R C V -
X M T +
X M T -
G
R C V +
R C V -
8
1
R J - 4 5
C o n n e c t o r
8
1
T e r m i n a l B l o c k
C o n n e c t i o n s
H o s t
N C R
7 8 0 0
D i s t a n c e s G r e a t e r T h a n 5 0 F e e t ( 1 5 . 2 m )
b u t g e n e r a l l y l e s s t h a n 1 . 9 m i l e s ( 3 . 0 k m )
R J - 4 5
C o n n e c t i o n s
N o C o n n e c t i o n
R e c e i v e ( + )
T r a n s m i t ( + )
T r a n s m i t ( - )
R e c e i v e ( - )
G r o u n d
N o C o n n e c t i o n
7 , 8
6
5
4
3
2
1
N o C o n n e c t i o n
R e c e i v e ( + )
T r a n s m i t ( + )
T r a n s m i t ( - )
R e c e i v e ( - )
G r o u n d
N o C o n n e c t i o n
7 , 8
6
5
4
3
2
1
P i n
N u m b e r
R J - 4 5
A s s i g n m e n t
R J - 4 5
A s s i g n m e n t
P i n
N u m b e r
Cable Requirements
Содержание 7800
Страница 1: ...NCR 7800 Consumer Price Verifier User s Guide BD20 1306 A Release C September 1997...
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Страница 101: ...Index...
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