FO600 Datasheet, PDF (57/57 Pages) Extech Instruments Corporation. – FiberMeter Optical Power Meter

UNIT 5
Appendices
Link Budget Calculation Worksheet
Operating Wavelength
Fiber Type
Calculate Maximum System Attenuation
Fiber Loss at Operating Wavelength (Distance x Fiber Loss)
Total Cable Distance
Individual Fiber Loss (at operating wavelength)
Total Fiber Loss
Connector Loss (Connector Loss x Connector Pairs)
Individual Connector Loss
Number of Connector Pairs
Total Connector Loss
Splice Loss (Splice Loss x Splices)
Individual Splice Loss
Number of Splices
Total Splice Loss
Other Components
Maximum System Attenuation
Calculate Link Loss Budget
Determine System Gain (Avg. Transmitter Power - Receiver Sensitivity)
Average. Transmitter Power
Receiver Sensitivity
System Gain
km
dB/km
dB
dB
dB
dB
dB
dB
dB
dBm
dBm @ 10^-9 BER
dB
Power Penalties (Operating Margin + Receiver Power Penalties + Repair Margin # Splices at 0.3dB each)
Operating Margin
Receiver Power Penalties
Repair Margin
Total Power Penalty
dB
dB
dB
dB
Determine Link Loss Budget (System Gain - Power Penalty)
System Gain
Total Power Penalty
Total Link Loss Budget
dB
dB
dB
Verify Performance
Verify Adequate Power (Total Link Loss Budget - Total System Attenuation)
Total Link Loss Budget
Maximum System Attenuation
System Performance Margin*
dB
* System Performance Margin must be
greater than 0 dB in order for the
dB
system to operate using the specified
dB _electronics.