Manual of Prevail
Rev1.1 190510 www.prevail-catv.com
No. 27-1, Youyi Road, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province.
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2. Technique Parameters
2.1 Optical Parameters
Item
Unit
Value
Optical Wavelength
nm
1545
～
1560 (or specified by the user)
Side-mode Suppression ratio
dB
>30
Relative Intensity Noise
dB/Hz
<-160
Wavelength Adjustment Range
GHz
+/-50GHz
Optical Power
dBm
2*7, 2*8, 2*9, 2*10
SBS Threshold Value
dBm
+13
～
+19 (Continuously adjustable)
Laser Linewidth
MHz
0.3
2.2 Model Test Indicators
Test Model
C42
D59
D84
Channel Plan
CENELEC42
PAL D59
PAL D84
Channel Number TV/FM/QAM64
42/0/0
59/0/0
84/0/0
Bandwidth Noise
5
5
5
CNR Tx/Rx
55.0
54.0
52.5
CNR Link 1
54.0
53.5
52.0
CNR Link 2
53.0
52.5
50.5
CNR Link 3
50.5
50.5
49.0
CSO Tx/Rx and Link 1
64
64
64
CSO Link 2
63
64
64
CSO Link 3
62
62
62
CTB
62
62
62
2.3 Test Condition
First stage
EDFA
First
paragraph
fiber length
Second
stage EDFA
Second
paragraph
fiber length
RX
SBS
(dBm)
Tx/Rx
No
No
No
no
0dBm
13.5
Link 1
No
35km
no
no
0dBm
13.5
Link 2
16dBm
65km
no
no
0dBm
16
Link 3
13dBm
50km
13dBm
50km
0dBm
13.5
