SHORT-HAUL CARRIER TELEGHAPII 



679 



ment concentrates the heat dissipated by these rheostats at a place 

 where it will not l)e harmful. 



Subscriber Set 



A channel terminal may also be mounted in a station set box appear- 

 ing in the knee-well of a subscriber's teletypewriter table. This, called 

 a 130B1 teletypewriter sul)scriber set, is illustrated in Fig. 10. It con- 

 tains a line or hybrid coil and balancing network, as well as local circuit 

 resistors and other miscellaneous apparatus. When so moimted, the 



Fig. 7 — Channel terminal, front view. 



