Cable mappings

Patch panels

X: empty hole

G: SMA connector used as ground lug

F: pulser fiber

Outside view:
St2, top:
50 42 34 G 33 41 49
48 40 32 X 31 39 47
46 38 30 26 29 37 45
44 36 28 25 27 35 43
X F F
St2, bottom:
X X F
8 16 24 X 23 15 7
6 14 22 X 21 13 5
4 12 20 X 19 11 3
2 10 18 X 17 9 1
St1, top:
80 78 70 G 69 77 79
76 74 66 X 65 73 75
72 56 62 46 61 55 71
68 52 58 45 57 51 67
64 48 54 42 53 47 63
60 44 50 41 49 43 59
F F F
St1, bottom:
X F F
24 40 30 38 29 39 23
20 36 26 37 25 35 19
16 32 22 34 21 31 15
12 28 18 33 17 27 11
8 6 14 X 13 5 7
4 2 10 X 9 1 3

Pulser fibers:

  • St2 top serves 1-17 and 18-33, St2 bottom serves 34-50
  • St1 top serves 1-16, 17-32, and 49-64, St1 bottom serves 33-48 and 65-80
from calibration hardware page

Distribution boards

All mappings are shown in the orientation where the distribution board text faces up.

X: unused

A+B: two daisy-chained preamps

Outside view:
Bias channel numbers:
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
17 18 19 20
21 22 23 24
Bias ribbon pinout:
J1:1 J1:2 J1:3 J1:4
J1:5 J1:6 J1:7 J1:8
J2:1 J2:2 J2:3 J2:4
J2:5 J2:6 J2:7 J2:8
J3:1 J3:2 J3:3 J3:4
J3:5 J3:6 J3:7 J3:8
Outside view:
St2, top:
26 38 37 25
28 40 39 27
30 42 41 29
32 44 43 31
34 46 45 33
36 48+50 47+49 35
St2, bottom:
23 11 12 24
21 9 10 22
19 7 8 20
17 5 6 18
15 3 4 16
13 1 2 14
St1, bottom:
39 37 38 40
35 33 34 36
31 29 30 32
27 25 26 28
23 21 22 24
X X X X
St2, 2nd from bottom:
19 17 18 20
15 13 14 16
11 9 10 12
7 5 6 8
3 1 2 4
X X X X
St1, 3rd from bottom:
64 62 61 63
68 66 65 67
72 70 69 71
76 74 73 75
80 78 77 79
X X X X
St1, 4th from bottom:
44 42 41 43
48 46 45 47
52 50 49 51
56 54 53 55
60 58 57 59
X X X X

10-pin connector pin numbering (looking at a board connector, with the key facing down):
2 4 6 8 10
1 3 5 7 9

Preamp pinout:

  1. Bias
  2. Ground
  3. N.C.
  4. N.C.
  5. RTD bias
  6. N.C. (would be temp/humidity sensor)
  7. RTD output
  8. RTD ground
  9. +6V
  10. Ground

Sho Uemura
Last modified: Wed Apr 19 18:31:00 MDT 2017