this is old set cable for VIDEO AND BIAS
signal D25F  to D25M on VIDEO header on receiver D9 F toD9M on rec. bd IDC50 pin on receiver D50F  Pin to receiver D50M
`
  26  Pin AMP chassis PLUG/cable SOCKET IDC26 pin to J8
OUTD1         3    
twisted
K
1
OUTD2         19     L 2
GND  
leave wire  unconnected
 
  2     M 3,4
OUTC1         21    
twisted
N
5
OUTC2         4     P 6
GND  
leave wire  unconnected
 
  37     R 7
ODR 1 (Bd1)   4 37 22     Z 9
RDR 2 (Bd1)   7 36 6     c 10
OGR 9 (Bd1)   3 35 23     X 11
GND  
leave wire  unconnected
 
  38     Y 8
OGL 9 (Bd2)   1 33 24     b 12
RDL 2 (Bd2)   6 34 7     S 13
ODL 1 (Bd2)   2 31 8     A 14
GND  
leave wire  unconnected
 
  39     a 19
15V- 15(Bd2) 1     1     V 15
15V+ 14(Bd2) 3     18     W 17
GND  
leave wire  unconnected
 
  27     B 20
OUTB1         9    
twisted
C
21
OUTB2         25     D 22
GND 24(bd2) fly lead
leave wire  unconnected
 
  43     E 23
OUTA1       10    
twisted
F
25
OUTA2         26     G 26
GND 13(Bd2)   5 40 44     H 24
GND 25(bd2)   9 42 27 22G wire   J 23,24
50way metal shell AMP metal shell
NOTE:
twisted pair with screen Beldem 9180
single wire  with screen, RS 229-1494
out screen
Text Box: D9 MText Box: D50M
Text Box: D50FText Box: AMP chassis 26 plgText Box: AMP cable 26 sktText Box: IDC26 skt
Text Box: D25F to VD1Text Box: D25F to VD2Text Box: D9 FText Box: header
Bd1,Bd2 referes Video board1 nad board2