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Optical Link Budget Calculator

Check minimum receive power, engineering margin, and receiver overload from supplied optical specifications. Work locally without uploading network information.

Runs entirely on your deviceNo uploads, accounts, cookies, or personal tracking.

Check optical power budget

Local processing · no input storage

Network tools
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Enter the value to evaluate.
Include splitters and attenuators.
Used for the strongest received signal. Use 0 if unknown.
Reserve for aging and repairs.

Supply specifications for the same wavelength and direction. Maximum loss checks sensitivity; guaranteed minimum loss checks overload. Dispersion, connector compatibility, and FEC are outside this power budget.

Enter your data, then select check optical power budget.
1. Add your data

Enter your network data or load the worked example.

2. Choose the result

Check optical power budget and review the result and assumptions.

3. Save it locally

Copy the result or download it for your engineering workflow.

About this tool

Check minimum receive power, engineering margin, and receiver overload from supplied optical specifications. Work locally without uploading network information.

The operation runs in the current browser tab. Tool input is not included in aggregate analytics, and the standalone download makes no analytics requests.

Network toolsDeveloper tools