Chapter 6 - Testing ControlNet Trunk Cables
If your settings are:
l
15 m (50 ft) example
l
X10 & .5ft/Div
l
0 dB & 5 dB Loss
l
Terminator connected
7. Observe the Return Loss (dB) settings, add 34 dB of gain to this value and then adjust the Return
Loss (dB) control to this new calculated setting.
For example:
l
zero (0) on Main, zero (0) on Fine = 30 on Main, 4 on Fine
l
zero (0) on Main, 5 on Fine = 30 on Main, 9 on Fine
8. Adjust the Position and Fine controls until the left and right base lines are on the center line. Your
screen should appear as shown in one of the following figures.
If your settings are:
l
2 m (6.5 ft) example
l
X10 & .5ft/Div
l
30 dB & 8 dB Loss
l
Terminator connected
If your settings are:
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