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Tele-Communication (Telecom) Terms Glossary and Dictionary
ZBTSI: Zero Byte Time Slot Interchange
Zero Byte Time Slot Interchange (ZBTSI) is a technique used to ensure pulse density for clear channel capability. ZBTSI is applied to a DS1 frame to ensure that pulse density requirements are met, where bits 2 through 193 of each frame are scrambled to minimize the occurrence of all-zero octets.
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