Z

ZBTSI: Zero Byte Time Slot Interchange.

zenith: A point on the line from the Earth’s centre directly above the observer’s head. It is farther from the centre than the observer. One of the two poles of the horizon, the other being the nadir.

zero bit insertion: A technique of bit stuffing in which a zero bit is inserted into a data stream if five consecutive one bits occur and it is not in the beginning or end flag of the transmission. This is to ensure that six consecutive one bits do not occur, which would signify the end of a transmission. The receiving station removes the extra zero bit if it occurs after five one bits.

Zero Byte Time Slot Interchange (ZBTSI): A technique for maintaining ones’ density on Extended Superframe Format (ESF) ...

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