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CHAPTER 5: Operation
5. Operation
Once you have configured each Async/Sync Fiber Optic Modem and connected
the fiber and RS-232 cables, you are ready to operate the units. This section
describes the LED status monitors, the V.52 and V.54 diagnostics, and the power-
on process.
Figure 5-1. LEDs.
Test (Loop)
LED
Error (BERT)
LED