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4.1 Schematic Diagram ON 1000
Below diagram shows, that the incoming optical signal is led to an active optical receiver module.
Transformed into a RF-signal it is amplified and goes through an attenuator with following equalizer.
Afterwards the signal is amplified and led through the diplex RF-filter to the output.
5. Operation-/Adjustment options ON 1065
6
5
4
3
2
9
7
8
1
Operating voltage LED
2
Variable attenuator forward path
3
Variable equalizer forward path
4
Variable attenuator return path
5
Monitoring LED optical input
6
Monitoring LED optical return path
7
Optical input (NOR)
8
Optical return transmitter output (NRT)
9
RF test point return path -20 dB (REV)
10
RF test point forward path -20 dB (FWD)
11
Downstream / Upstream (RF OUT)
12
Power supply 110 ~ 250 VAC
13
Mains connection cable
1
12
10
11
13
11
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