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There are many perfectly sensible ways of wiring multipin connectors and who is to say that any one pattern is better than any other. The main issue here is compatibility with other standard systems. Each wiring pattern shown below conforms to the specific standard named in the left column. This is not a definitive list.
EDAC56 EDAC56(ADAT) EDAC90 D-Sub Harting42 Harting72 Harting108
Scart Multicore colour codes       Reference Library Home

EDAC 56
(individual earths)
VDC Standard for mixing console inputs.
 
Channel Hot (+ve) Cold (-ve) Ground Channel Hot (+ve) Cold (-ve) Ground
1 A E L 9 k p u
2 B F M 10 l r v
3 C J N 11 m s x
4 D K P 12 n t y
5 R W a 13 z DD KK
6 S X b 14 AA EE LL
7 U Y c 15 BB HH MM
8 V Z d 16 CC JJ NN

EDAC 56 (ADAT)
(individual earths)
VDC Standard for digital audio 8 track recorders.
 
Tape in Hot (+ve) Cold (-ve) Ground Tape out Hot (+ve) Cold (-ve) Ground
1 HH JJ NN 1 d c Z
2 x y CC 2 V U P
3 m n t 3 K J D
4 LL MM FF 4 N M T
5 AA BB w 5 C B H
6 DD EE KK 6 b a W
7 u v z 7 S R L
8 k l p 8 F E A

EDAC 90
(individual earths)
VDC standard for mixing console inputs.
 
Channel Hot (+ve) Cold (-ve) Ground Channel Hot (+ve) Cold (-ve) Ground
1 A H R 13 BJ BS BY
2 B J S 14 BK BT BZ
3 C K T 15 BL BU CA
4 D M U 16 BN BV CC
5 E N V 17 BP BW CD
6 F P W 18 BR BX CE
7 X AE AM 19 CF CN CW
8 Y AF AN 20 CH CP CX
9 Z AH AP 21 CJ CR CY
10 AB AJ AS 22 CK CT CZ
11 AC AK AT 23 CL CU DA
12 AD AL AU 24 CM CV DB

D Sub
(individual earths)
VDC Standard for digital audio 8 track recorders:
same wiring for input and output connectors.
 
Channel Hot (+ve) Cold (-ve) Ground Channel Hot (+ve) Cold (-ve) Ground
1 24 12 25 5 18 6 19
2 10 23 11 6 4 17 5
3 21 9 22 7 15 3 16
4 7 20 8 8 1 14 2

HARTING 42
(individual earths)
VDC standard for mixing console inputs.
 
Channel Hot (+ve) Cold (-ve) Ground Channel Hot (+ve) Cold (-ve) Ground
1 1 2 3 7 4 5 6
2 8 9 10 8 11 12 13
3 15 16 17 9 18 19 20
4 22 23 24 10 25 26 27
5 29 30 31 11 32 33 34
6 36 37 38 12 39 40 41

HARTING 72
(individual earths)
VDC standard for mixing console inputs.
 
Channel Hot (+ve) Cold (-ve) Ground Channel Hot (+ve) Cold (-ve) Ground
1 1 2 3 13 7 8 9
2 13 14 15 14 16 20 21
3 25 26 27 15 31 32 33
4 37 38 39 16 43 44 45
5 49 50 51 17 55 56 57
6 61 62 63 18 67 68 69
7 4 5 6 19 10 11 12
8 16 17 18 20 22 23 24
9 28 29 30 21 34 35 36
10 40 41 42 22 46 47 48
11 52 53 54 23 58 59 60
12 64 65 66 24 70 71 72


HARTING 108
(individual earths)
VDC standard
for mixing console inputs.

 
Channel Hot (+ve) Cold (-ve) Ground Channel Hot (+ve) Cold (-ve) Ground
1 1 2 3 17 79 80 81
2 19 20 21 18 97 98 99
3 37 38 39 19 10 11 12
4 55 56 57 20 28 29 30
5 73 74 75 21 46 47 48
6 91 92 93 22 64 65 66
7 4 5 6 23 82 83 84
8 22 23 24 24 100 101 102
9 40 41 42 25 13 14 15
10 58 59 60 26 31 32 33
11 76 77 78 27 49 50 51
12 94 95 96 28 67 68 69
13 7 8 9 29 85 86 87
14 25 26 27 30 103 104 105
15 43 44 45 31 16 17 18
16 61 62 63 32 34 35 36

SCART
VideoLab standard
 
Pin 1 Audio out R Pin 8 Status CVBS Pin 15 Red in
Pin 2 Audio in R Pin 9 Green ground Pin 16 Status RGB
Pin 3 Audio out L Pin 10 Comm DB invert Pin 17 CVBS (video) ground
Pin 4 Audio ground Pin 11 Green in Pin 18 RGB Status ground
Pin 5 Blue ground Pin 12 Comm DB Pin 19 CVBS (video) out
Pin 6 Audio in L Pin 13 Red ground Pin 20 CVBS (video) in
Pin 7 Blue in Pin 14 DB ground Pin 21 Casing-socket ground

3 & 5 pin DIN
 
Pin 1 Left out
Pin 4 Right out
Pin 2 (centre) earth
Pin 5 Right in
Pin 3 Left in
 
Pin 1 Mono out
Pin 2 (centre) earth
Pin 3 Mono in
 

Multicore colour codes

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