THROWDOWN MACHINE FOR TRAFFIC STUDIES 



349 



links are subdivided into left and right sets of ten which connect to the 

 left and right halves of the junctor switches respectively. Within each 

 set, the links are numbered in accordance with the junctor switches on 

 which they terminate. The junctor switches are split horizontally as 

 shown on Fig. 24 to provide for twenty junctor connections per switch 

 (one from each of twenty line link frames). Thus a set of junctors ter- 

 minating on the left halves of a junctor switch must be matched with a 

 left set of links. 



It can be seen on Fig. 24 that when the three sets of links and junctors 

 capable of connecting a trunk and a subscriber are matched, the two 

 No. Hnks and the No. junctor go together, the two No. 1 links and 

 the No. 1 junctor go together, and so forth. The marker performs the 



LINE LINK 

 FILE 



TRUNK LINK 



FILE 



JUNCTOR GROUPING 

 SWITCHES 



Fig. 23— Match position. 



