DIN EN 300234:1999-12
Отменен
Transmission and Multiplexing (TM) - Digital Radio Relay Systems (DRRS) - High capacity DRRS carrying 1ЧSTM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements (Endorsement of the English version EN 300234 V 1.2.1 (1998-10) as German Standard)
