
5
Table 1
D-shell pin identification
50-pin D-shell (DB-50)
Pin
7707
Terminal
Pin
7707
Terminal
Pin
7707
Terminal
Pin
7707
Terminal
Pin
7707
Terminal
1
Gnd
11
Ch 13 Bit 3
21
Gnd
31
Ch 14 Bit 1
41
Protection K2
2
Ch 11 Bit 2
12
Ch 16 Bit 6
22
Ch 12 Bit 0
32
Ch 14 Bit 4
42
Gnd
3
Ch 11 Bit 5
13
Gnd
23
Ch 12 Bit 3
33
Ch 14 Bit 7
43
Ch 13 Bit 1
4
Protection K1
14
Gnd
24
Ch 12 Bit 6
34
Ch 11 Bit 0
44
Ch 13 Bit 4
5
Gnd
15
Ch 14 Bit 2
25
Gnd
35
Ch 11 Bit 3
45
Ch 13 Bit 7
6
Ch 12 Bit 1
16
Ch 14 Bit 5
26
Gnd
36
Ch 11 Bit 6
46
Gnd
7
Ch 12 Bit 4
17
Protection K4
27
Ch 13 Bit 2
37
Gnd
47
Ch 14 Bit 0
8
Ch 12 Bit 7
18
Ch 11 Bit 1
28
Ch 13 Bit 5
38
Gnd
48
Ch 14 Bit 3
9
Gnd
19
Ch 11 Bit 4
29
Protection K3
39
Ch 12 Bit 2
49
Ch 14 Bit 6
10
Ch 13 Bit 0
20
Ch 11 Bit 7
30
Gnd
40
Ch 12 Bit 5
50
Gnd
25-pin D-shell (DB-25)
Pin
7707
Terminal
Pin
7707
Terminal
Pin
7707
Terminal
Pin
7707
Terminal
Pin
7707
Terminal
1
Ch 1 Hi
6
Ch 6 Hi
11
Sense Hi
16
Ch 3 Lo
21
Ch 8 Lo
2
Ch 2 Hi
7
Ch 7 Hi
12
Input Hi
17
Ch 4 Lo
22
Ch 9 Lo
3
Ch 3 Hi
8
Ch 8 Hi
13
—
18
Ch 5 Lo
23
Ch 10 Lo
4
Ch 4 Hi
9
Ch 9 Hi
14
Ch 1 Lo
19
Ch 6 Lo
24
Sense Lo
5
Ch 5 Hi
10
Ch 10 Hi
15
Ch 2 Lo
20
Ch 7 Lo
25
Input Lo
Содержание 7707
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