This is the Info on the Motorola Portable test Set
Model numbers:S1056A,1057A,1058A,1059A
I didn't actually have a schematic so
I had to make one up. This is straight from my cables.
This is not the best in the world but I was in a hurry.

Here is the Test Set Plug Reference to be used in the Charts below..

This is the pin reference for the Micor Radio Plugs..

Test Set Pin#            Micor
1--------------------------C1
2--------------------------C7
3
4
5-------------------------M5
6-------------------------C2
7
8
9-----------------------M2
10
11-----------------------C3
12
13----------------------M6
14                         
15----------------------M1
16-----------------------C4
17                           
18                        
19----------------------M7
20                         
 

This is the pin reference for the Mitrek Radio Plugs..

Test Set               Mitrek
1-------------------9
2-------------------5
3------------------1
4
5
6-----------------8
7-----------------4
8---------------10
9
10
11---------------7
12---------------3
13--------------11
14
15
16---------------6
17---------------2
18
19
20