Passive Optical Splitter User Manual Page 3
3.2
1:4(2:4)
Three-Window Coupler Module
1:4(2:4) Three-Window Coupler Module Figure
Specifications
Operating wavelength (nm) 1310, 1490 and 1550 three windows
Operating bandwidth (nm)
1310±40, 1490±10 & 1550±40
Insertion loss (dB)
≤7.6
Center Uniformity(dB)
<2
Typical excess loss (dB)
0.3
PDL (dB)
≤0.3
Directivity (dB)
≥55
Operating temperature (
o
C)
-20 ~ +70
Storage temperature (
o
C)
-40 ~ +85
Fiber lead length
1 meter, others on request
Fiber type
SMF-28e
（
900μm, 2mm, 3mm loose
tube
）
Encapsulation dimension
（
mm
）（
W*D*H
）
100×80×8
（
aluminum box
）
Note:
The above parameter is referenced
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