this is cable  FOR CLOCK
signal D37F  to D37M on Clk Bd inside SDSU controller 19  Pin AMP chassis socket/cable plug     19  Pin AMP chassis PLUG/cable SOCKET IDC26 pin to J9 on Clk inside header 
   
 
       
I1 6 M     M 21
I2 7 L     L 19
I3 8 K     K 17
GND 27,  leave wire  unconnected N     N 22,20,18
R2 4 J     J 15
R3 5 H     H 13
R1 3 G     G 11
GND 23, leave wire  unconnected T     T 16,14,12
S3 11 F     F 9
S2 10 E     E 7
S1 9 D     D 5
GND 30, leave wire  unconnected S     S 10,8
RR 1 A     A 23
RL 2 C     C 3
GND 31, leave wire  unconnected P     P 24
GND 32, leave wire  unconnected B   wire 22G B 2,4,6
  AMP metal shell       AMP metal shell  
             
NOTE
single wire  with screen,RS229-1494
Text Box: D37FText Box: AMP chassis 19 skt
Text Box: AMP chassis 19 plgText Box: IDC26 skt
Text Box: AMP cable 19 plgText Box: AMP cable 19 skt