Channel Bank: Bypass - Coastcom D/I Mux III System User Manual

Chapter 5. Diagnostics

Channel Bank: Bypass

In channel bank bypass mode, the PCM span B input path to LIU B is broken, and replaced with
the output from LIU A. From the output of LIU B, an Alarm Indication Signal (AIS) is sent to the
output of span A. The bypass operation is represented in Figure 5-8.
Figure 5-8. Channel Bank: Bypass Operation
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