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Chapter 4: Using the Basic Live Traffic Identifier
4.3 Detecting Traffic
If the tested fiber is carrying a signal, a traffic indicator lights to show the
direction, left or right. See Figures 4-5 and 4-6.
Figure 4-5. Signal traveling right to left.
Figure 4-6. Signal traveling left to right.
When no signal is present or the signal to be tested is too weak for the identifier
to detect, the No Signal indicator lights. See Figure 4-7.
Figure 4-7. No signal indicator.
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