1162 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1956 



Fig. 5 — Rear view of Card-0-Matic test set showing insertion of perforated card. 



cross connection fixture is plugged into the location where the lower 

 end of the cable joining the two cabinets is shown terminated in Fig. 5. 

 A side view of the test set is shown in Fig. 7 to give an indication of 

 the amount of switching e([uipinent and wiring necessary for an auto- 

 matic test set of this sort. The set is powered from a r20-\'olt 60-cy('le 



