Anritsu MS9740A - Page 89

3.4 Device Message Details
3-43
3
Message Details
When executing the WDM application (Relative)
No.
Parameter type
Description
1
<numeric>
Peak Count
2
<numeric>
Ref: Reference peak number
3
<numeric>
Wl: First peak wavelength (m)
4
<numeric>
Spacing: Spacing of first peak
wavelength (m)
5
<numeric>
Wl-Ref: Wavelength difference between
first peak and reference peak (m)
6
<numeric>
Level: First peak level (dBm)
7
<numeric>
Level-Ref: First relative level (dB)
:
5n–2
<numeric>
Wl: nth peak wavelength (m)
5n–1
<numeric>
Spacing: Spacing of nth peak
wavelength (m)
5n
<numeric>
Wl-Ref: Differences between nth peak
and reference peak wavelength (m)
5n+1
<numeric>
Level: nth peak level (dBm)
5n+2
<numeric>
Level-Ref: nth relative level (dB)
The first peak wavelength spacing is normally 0.
When executing the WDM application (Table)
No.
Parameter type
Description
1
<numeric>
No. Channel Number 1
2
<numeric>
SignalWl: First peak wavelength (m)
3
<numeric>
Level: First peak level (dBm)
4
<numeric>
Spacing Wl: First peak wavelength
spacing (m)
5
<numeric>
–999.99
6
<numeric>
–999.99
7
<numeric>
SNR: First peak signal to noise ratio
(dB)
:
7n–6
<numeric>
No. Channel Number n
7n–5
<numeric>
Signal Wl: nth peak wavelength (m)
7n–4
<numeric>
Level: nth peak level (dBm)
7n–3
<numeric>
Spacing Wl: nth peak wavelength
spacing (m)
7n–2
<numeric>
–999.99
7n–2
<numeric>
–999.99
7n
<numeric>
SNR: nth peak signal to noise ratio (dB)
If there is no peak, the returned values are wavelength λ =
–
1, level L =
–
999.99 or 999.99.