Troubleshooting and FAQ’s 6-4
link there is either a polarity mismatch or one of the fibers
connected between the two handsets is not transmitting light.
Setup and Calibration
Before testing fiber the display and remote handsets need to be
calibrated so that the correct attenuation values are calculated.
Failure to perform the calibration will result in inaccurate
attenuation values shown in the Link Establishment screen;
however the results of the bit error rate tests are not affected.
1. Choose FIBER from the cable type pull down menu to put
the SIGNALTEK into the fiber test mode. Connect the LC-
SC patch cord to each handset and use the provided SC
coupler to join the two patch cords.
Figure 6-4 Calibration Setup
2. From the Autotest or Manual tab, press the Calibrate
softkey. The two handsets will read the power output of the
other handset and display the results when complete.
Press the ENTER key to clear the calibration message
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