r-EHI)— E> — 1> 1 EH 



HD ' <i 



-m-m- 



MOCNJLATOfi - ^_ 



0- DEMODULATOR R - BECTIFIER 



F -FILTER X - COMPOSITE" SET 



E - EQUALIZER TG- D C. TELEGRAPH 



C- REGULATOR 



OS -OSCILLATOR 



HG-HARMONtC GENERATOR 



O-Q- HYBRID COIL AND NETWORK 



Fig. 2 — Terminal and repeater layout. 



-CD-CD-©— >j(ZJ- 



TYPE C 



-CaW^HD-CD- 



V 



