FD-128D
Isolation for adjacent channels >23 dB
Passband width >200 pm
Table 35: Optical Characteristics — Demultiplexer
l Overview
l Features
l Interfaces
FD-128D
Overview 80
Features 82
Interfaces 83
Client Port Channel Assignments 84
Signal Path 88
Specifications 88
Shipment Contents 89
Overview
The FD-128D is a rack-mountable, 128-port multiplexer/demultiplexer shelf which can
support C-band channels from #19600 GHz through #19123 GHz. The shelf is used in
128-channel dual fiber point-to-point applications. For this purpose, the muxponder and
demuxponder filters multiplex/demultiplex 128 separate channels into/from the full duplex
signal carried by the network fiber pair.
The shelf supports a fixed 37.5 GHz channel grid and is designed for flexgrid traffic
modules with coherent detection.
80 FSP3000 C Hardware Guide - R1.1 - Issue:A (12/09/2016)