Nevion CWDM-18 - Manual (Page 4)

CWDM-18 Rev. B
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1 Product overview
The Flashlink CWDM (Coarse Wavelength Division Multiplexing) system is based on an all-
optical module for multiplexing and demultiplexing 18 CWDM wavelengths according to ITU-
T G.694.2. The unit works similarly in both directions and can be used as mux as well as
demux.
Figure 1. CWDM filter scheme.
Figure 2. Backplane layout.
Common Not used 1271nm 1291nm
1311nm 1331nm 1351nm 1371nm
1391nm 1411nm 1431nm 1451nm
1471nm 1491nm 1511nm 1531nm
1551nm 1571nm 1591nm 1611nm
Shutters at upper row are due to high
signal strength at “common” port