Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Manuale Utente Pagina 310

  • Scaricare
  • Aggiungi ai miei manuali
  • Stampa
Vedere la pagina 309
Managing Results
302 FTB-5240S/5240BP
Managing WDM Test Results
4. Edit the thresholds as explained below:
³ Wavelength/Frequency (nm/GHz): indicates the channel’s central
wavelength/frequency.
³ Signal power (dBm): indicates the signal power for the selected
channel (excludes noise).
³ OSNR (dB): is the Optical Signal to Noise Ratio, given by Signal
power (according to the current calculation method, in dBm)
minus Noise (according to the current calculation method, in
dBm).
³ Noise (dBm): indicates the level of the noise for the selected
channel.
Vedere la pagina 309
1 2 ... 305 306 307 308 309 310 311 312 313 314 315 ... 536 537

Commenti su questo manuale

Nessun commento