Radiance CWDM System 5
Overview
The Radiance Coarse Wavelength Division Multiplexing (CWDM) System is a
passive, optical solution for increasing the flexibility and capacity of existing
fiber lines in high-speed networks. By adding more channels onto available
fibers, the Radiance CWDM System enables greater versatility for data commu-
nications in ring, point-to-point, and multipoint topologies for both enterprise
and metro applications.
Metrobility’s CWDM System increases fiber capacity by placing widely spaced,
separate wavelengths—between 1310 and 1610 nm—from multiple ports onto a
singlemode fiber pair on the network. Using the expansion port included on
some modules, the CWDM System can be configured to deliver up to 16
different channels, each carrying 1 Gbps of bandwidth.
All CWDM System components are passive and require no power supplies.
They include the two-slot R4000 chassis and a set of mux/demux, drop/pass, and
drop/insert modules with color-coded port connectors. Any two modules may be
installed in the R4000 chassis. The 1U high R4000 can be installed anywhere
from the central office to the customer premise.
The CWDM mux/demux takes 4 or 8 different wavelength channels and
combines (multiplexes) them onto one common fiber cable for transmission to
the network. It also separates (demultiplexes) the channels it receives from the
network and sends each channel to a different device. Multiple modules may be
chained through the expansion port on the four-channel modules. This increases
flexibility and enables growth for evolving networks.
Optical Add/Drop Multiplexing (OADM) drop/pass and drop/insert modules
provide the ability to terminate (drop) one CWDM channel from the network
fiber, while allowing all other channels to continue (pass) to other nodes.
Similarly, the drop/insert module removes an individual channel from the
network fiber, however, it also provides the ability to add (insert) that same
channel back onto the network fiber. The drop/insert module supports two paths
(east and west) for dropping and adding, so that network viability is maintained
in a ring topology, even if a break occurs in the ring.
All CWDM/OADM modules interface with Metrobility products that support
CWDM transceivers.
Through Metrobility’s NetBeacon® management software, you can enter
hardware and configuration information about the R4000 chassis and its
modules. This information is stored in a database which can be viewed and
