36
Keysight 34931A-34933A User’s Guide
34933A D-Sub Connectors for One-Wire Mode
Matrices 1 and 2
For orientation, the D-sub connector
end of the module is facing you.
Matrices 3 & 4
Matrices 1 & 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
NC
1C4
2C4
1R4
2R4
1C5
2C5
NC
NC
1C7
2C7
1C4
bypass
2C4
bypass
1C5
bypass
2C5
bypass
1C7
bypass
2C7
bypass
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
2C2
NC
1C2
1R2
2R2
1C8
2C8
NC
NC
GND
1C3
bypass
2C1
bypass
1C1
bypass
2C3
bypass
2C6
bypass
1C6
bypass
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
2C6
NC
1C3
2C3
1C1
2C1
1R3
2R3
1C6
NC
1R1
2R1
NC
1C2
bypass
2C2
bypass
1C8
bypass
2C8
bypass
50-Pin D-Sub
Male Connector
Description
Pin
Description
Pin
Description
Pin
Description
Pin
Description
Pin
1R1
49
1C2
23
1C7
13
1C4 bypass
3
GND
33
1R2
27
2C2
24
2C7
14
2C4 bypass
4
No connect pins:
11-12, 17-18, 31-32,
34, and 45-46
1R3
39
1C3
35
1C8
29
1C5 bypass
9
1R4
5
2C3
36
2C8
30
2C5 bypass
10
2R1
50
1C4
1
1C1 bypass
21
1C6 bypass
25
2R2
28
2C4
2
2C1 bypass
22
2C6 bypass
26
2R3
40
1C5
7
1C2 bypass
43
1C7 bypass
15
2R4
6
2C5
8
2C2 bypass
44
2C7 bypass
16
1C1
37
1C6
41
1C3 bypass
19
1C8 bypass
47
2C1
38
2C6
42
2C3 bypass
20
2C8 bypass
48
NOTE
Conventions for these drawings and tables as they relate to pinout information:
–
2R4
means Matrix
2
,
R
ow
4.
–
1C5
means Matrix
1
,
C
olumn
5
–
4C2
bypass
means: Matrix
4
,
C
olumn
2
, and the connection bypasses the
100
Ω
in-rush resistor that protects the reed relays