Chapter 23. DM4000 GPC-DCM
23.1. Overview
DM4000 GPC-DCM is an Dispersion-compensating Module. The module compensates 40 km of the
dispersion of the fiber being used in a transmission system. Its optimized for use in Nondispersion-Shifted
Fiber (ITU-T G.652).
The DM4000 GPC-DCM is a passive module and do not need to be powered to work.
The DM4000 GPC-DCM is designed to work with Transceivers that are design for DWDM, the Dispersion
Level is not guaranteed for lambdas outside ITU-T DWDM Grid.
Figure 23-1. DM4000 GPC-DCM
CAUTION:
"Amplification module uses transmitters with no-visible class 3B laser radiation. Never look directly to
the laser terminals or to the optical fiber. The exposure to the laser emission can cause total or partial loss
of vision."
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