SUBSCRIBER LINES 



MAX -500 PER 

 LINE LINK FRAME 

 TOTAL MAX -10,000 



LINE LINK FRAMES 

 MAX -20 



JUNCTORS 



TRUNK LINK FR- 

 MAX -10 



r 



L 



1 PER 1000 

 NUMBERS 



NUMBER 

 GROUP L J GROUP 



CONNEC- 

 TOR 



MARKER CONNECTOR 



Fig. 2— Principal cor 



304 



