Optical Power Measurement Option - Alcad 918 Serie Manuel D'utilisation

23 Optical Power Measurement option

To access the Optical Measurement function, press Home
Insert the Optical-USB accessory on the USB connector of the instrument. The configuration must be « USB A »
(see chapter Configuration 19.6.4.)
Plug the output optical fiber of your equipment on the accessory : the instrument display the optical power
currently received.
Detection of
analog modulation
over the optical
signal :
270, 1000 ou
2000Hz
Insertion losses measurement :
- make a first measurement on top of your network : press
this measurement as Reference and automaticaly change unit to dB
- make all other measurement you need to check the losses over the optical signal
Insertion losses
measurement
94
Working optical
wavelength choice :
850, 1300, 1310,
1490 or 1550 nm
Optical power
Optical power measurement
measurement
recording
then
Measurement unit choice :
dBm, mW or dB for losses
measurement
; the instrument keep
Reference value for
losses measurement
Reference
measurement