通過(guò)SONET/SDH和/或多路復(fù)用器系統(tǒng)，RS422接口可用于單通道或雙通道情況。當(dāng)用于單通道情況時(shí)，RS422接口采用Tx、Rx、和發(fā)送定時(shí)的典型方式與更高階系統(tǒng)連接。然而，當(dāng)作為雙通道應(yīng)用時(shí),由于兩個(gè)RS422通道采用一個(gè)時(shí)鐘輸入，因此必須遵循某些標(biāo)準(zhǔn)。

ALLEN BRADLEY PANELVIEW 6189-M17SSTR

ALLEN BRADLEY PROCESSOR WITH POWER SUPPLY 1772-LWP D

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ALLEN BRADLEY PROCESSOR UNIT 1747-L542

ALLEN BRADLEY SERVO MOTOR 1326AB-B410G-21

HAROWE ENCODER 11BRCX-300-J10B