Encyclopedia
Block
Block - a sequence of bits limited by the number of bits relating to a given channel; at the same time, each bit belongs to only one block. The number of bits in a block depends on the transmission speed and is determined according to a separate methodology
Source: ORDER OF GOSTELKOM OF RUSSIA dated 28.09.1999 No. 48
"ON APPROVING STANDARDS FOR ELECTRICAL PARAMETERS OF DIGITAL CHANNELS AND TRACKS OF SATELLITE TRANSMISSION SYSTEMS"