3M
™
Mini D Ribbon (MDR) Cable Assembly
.050" High Speed Digital Data Transmission System, 50 Position
MDR 50 Position, Pinout (C50-1)
P1
Pair
1
1
3
3
5
5
7
7
9
9
11
11
Signal
A0-
A0+
A2-
A2+
drain 2
A3-
A3+
A5-
A5+
A7-
A7+
N/C
Link A
Link B
N/C
drain 4
13
13
15
15
17
17
19
19
B6+
B6-
B4+
B4-
BClk+
BClk-
B1+
B1-
drain 6
Position
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Position
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Signal
drain 1
A1-
A1+
AClk-
AClk+
A4-
A4+
A6-
A6+
drain 3
N/C
ICMB+
ICMB-
N/C
B7+
B7-
B5+
B5-
B3+
B3-
drain 5
B2+
B2-
B0+
B0-
18
18
20
20
12
12
14
14
16
16
8
8
6
6
4
4
2
2
10
10
11
11
2
2
4
4
6
6
8
8
16
16
14
14
12
12
Pair
Pair
20
20
18
18
Signal
B0-
B0+
B2-
B2+
drain 5
B3-
B3+
B5-
B5+
B7-
B7+
N/C
Link B
Link A
N/C
drain 3
A6+
A6-
A4+
A4-
AClk+
AClk-
A1+
A1-
drain 1
Position
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
P2
Position
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
14150-EZBB-XXX-0LC
Signal
drain 6
B1-
B1+
BClk-
BClk+
B4-
B4+
B6-
B6+
drain 4
N/C
ICMB+
ICMB-
N/C
A7+
A7-
A5+
A5-
A3+
A3-
drain 2
A2+
A2-
A0+
A0-
Pair
19
19
17
17
15
15
13
13
10
10
9
9
7
7
5
5
3
3
1
1
Notes:
1. All pairs are individually shielded with aluminum foil.
2. Pair shields are wrapped Aluminum out and in contact with six internal drains (logic ground).
3. Outer braid and foil (chassis ground) is isolated from inner drains (logic ground).
TS-0959-08
Sheet 3 of 3
3M
Interconnect Solutions
http://www.3M.com/interconnects/
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800-225-5373
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