This parity byte is known as BIP-8, which is an abbreviation for bit interleaved parity.

这被称为BIP - 8，这是一个缩写位交叉奇偶校验字节。

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This document explains bit interleaved parity (BIP-8) checks on frames that a packet over SONET (POS) router interface transmits.

本文档介绍了位交叉奇偶校验(BIP - 8)帧检查，超过SONET (POS)的路由器接口发送的数据包。

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