K3 ACC 15-polig
 1         RRC 1
 2    
 3         ASC 3
 4         ASC 4
 5         ASC 5 + RRC 5
 6
 7
 8         RRC 8
 9         ASC 9
10
11
12         ASC 12
13         ASC 13
14         ASC 14
15

K3 ACC 15-polig D-SUB HD
Pin Function   Dir. RRC    ASC-box
-------------------------------------
 1  DIG0       <--- RRC 1
 2  AUXBUS  
 3  BAND1      ---------->  ASC 3
 4  PTT-IN     <----------  ASC 4
 5  COMMON     <--> RRC 5 & ASC 5
 6  DIG-OUT
 7  XVTR-ON
 8  POWER      <--- RRC 8
 9  BAND 2     -----------> ASC 9
10  KEY-OUT    
11  DIG-OUT
12  COMMON     <----------> ASC 12
13  BAND 0     -----------> ASC 13
14  BAND 3     -----------> ASC 14
15  ALC-IN