JDS Uniphase cORL-A1 Operating Manual page 33

Optical return loss meter
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Signal modulation
Modulation frequencies provided by the cORL-A1:
• CW (Continuous Wave): without modulation
• 270 Hz modulation
• 1 kHz modulation
• 2 kHz modulation
To select a modulation frequency:
✓ Modulation cannot be selected when Auto-λ is acti-
vated. Switch off Auto-λ first (see
page
28).
1. Select Select Modulation.
The MODULATION menu opens:
2. Highlight the desired frequency and press
[MENU ENTER].
Adjusting the output power level
The output power level
• can be adjusted for each wavelength separately,
• can be adjusted while the laser is switched on or off,
• is stored when you change the wavelength or when you
switch off the device.
Output power ranges
CW mode:
Modulated and Auto λ:
1) 1310 nm, 1550 nm and 1625 nm only. Different
power ranges are possible at other wavelengths.
JDSU
-3 to -10 dBm
-6 to -13 dBm
cORL-A1
5 O
PERATION
„Auto-Lambda" on
1)
1)
29

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