_ ? . @ # ~ $ 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

STDM

– Statistical Time-Division Multiplexing, Multiplexage temporel statistique
– Synchronous Time-Division Multiplexing, , Multiplexage temporel synchrone