
Appendix C – Connector Pinouts
Mic Input Card (‘908)
| +5V | 
| SPLIT OUTPUTS | 
Mic IN 1 - 12
| Location: | 
 | 
 | 908 Micamp | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| Connector Type: | Varicon 56 way female | 
 | ||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| cct. | 
 | hot | cold | screen | 
 | Notes | 
1
2
3
4
5
6
7
8
9
10
11
12
D C A B V U R S n m k l
K
J
E
F
Z
Y
W
X t s p r
P
N
L
M d c a b y x u v
All other pins n/c
| MIC IN | 
| 1 - 12 | 
Split Outputs 1 - 6
| Location: | 
 | 
 | 908 Micamp | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
| Connector Type: | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
| cct. | 
 | hot | cold | screen | Notes | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
| 1 | 
 | 24 | 12 | 25 | All other pins n/c | 
| 2 | 
 | 10 | 23 | 11 | 
 | 
| 3 | 
 | 21 | 9 | 22 | 
 | 
| 4 | 
 | 7 | 20 | 8 | 
 | 
| 5 | 
 | 18 | 6 | 19 | 
 | 
| 6 | 
 | 4 | 17 | 5 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
Split Outputs 7 - 12
| Location: | 
 | 
 | 908 Micamp | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
| Connector Type: | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
| cct. | 
 | hot | cold | screen | Notes | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
| 7 | 
 | 24 | 12 | 25 | All other pins n/c | 
| 8 | 
 | 10 | 23 | 11 | 
 | 
| 9 | 
 | 21 | 9 | 22 | 
 | 
| 10 | 
 | 7 | 20 | 8 | 
 | 
| 11 | 
 | 18 | 6 | 19 | 
 | 
| 12 | 
 | 4 | 17 | 5 | 
 | 
| 
 | 
 | 
 | 
 | 
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