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Wireless Networking Glossary
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| ZBTSI |
Zero Byte Time Slot Interchange (TSI). Bits 2 through 193 of each DS1 frame are scrambled to minimize the possibility of an all-zero octet. If all zero octets are still found, a group of all-ones is substituted. Due to its complexity this method is not often used. |
| ZCS |
Zero Code Suppression. The seventh bit of an all-0 octet is replaced by a 1-bit. Only applicable to voice because there is no way to remove this one bit error. |
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