Cisco CWDM-OADM 1-1550 Вказівки щодо встановлення - Сторінка 3
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CWDM OADMs
The CWDM OADMs are passive devices that can multiplex/demultiplex or add/drop wavelengths from
multiple fibers onto one optical fiber. The OADM connectors are interfaced to the color-matching
CWDM GBIC or CWDM SFP transceivers on the equipment side. All OADMs are the same size. Two
OADM modules can be installed in a CWDM 2-slot chassis (CWDM-CHASSIS-2). There are three
different types of CWDM OADM modules
8-Channel Multiplexer/Demultiplexer (CWDM-MUX-8A=)
The 8-Channel Multiplexer/Demultiplexer (CWDM-MUX-8A=) allows you to multiplex/demultiplex
eight separate channels into one pair of fiber. Dual fiber is used for both the network connection and the
CWDM GBIC or CWDM SFP transceiver connections. The eight available wavelengths are 1470-nm,
1490-nm, 1510-nm, 1530-nm, 1550-nm, 1570-nm, 1590-nm, and 1610-nm. The
multiplexer/demultiplexer, shown in
a power meter or an optical spectrum analyzer to assist you in monitoring and troubleshooting the
network.
Figure 1
4-Channel OADM (CWDM-OADM4-1= and CWDM-OADM4-2=)
The 4-Channel OADM (CWDM-OADM4-1= and CWDM-OADM4-2=) allows you to add/drop four
channels (with different wavelengths) into one direction of an optical ring. The other wavelengths are
passed through the OADM. The 4-channel OADMs are transparent to the 1300-nm wavelength and
includes a 1300-nm/1500-nm filter to mix legacy SONET/SDH/ATM ring installations with CWDM
installations on the same optical fiber. Dual fiber is used for both the network and the GBIC or SFP
connections. The two 4-channel OADMs, shown in
wavelengths:
•
•
The 4-channel OADM modules are equipped with a monitor port that allows you to attach a power meter
or an optical spectrum analyzer to assist you in monitoring and troubleshooting the network.
78-16565-02
8-Channel Multiplexer/Demultiplexer (CWDM-MUX8) Front Panel
NETWORK
RX
TX
TX
CWDM-
MUX-8A
MONITOR
RX
TX
TX
CWDM-OADM4-1—1470-nm, 1490-nm, 1510-nm, and 1530-nm.
CWDM-OADM4-2—1550-nm, 1570-nm, 1590-nm, and 1610-nm.
Figure
1, is equipped with a monitor port that allows you to attach
1470
1510
1550
RX
RX
TX
TX
1490
1530
1570
RX
RX
TX
TX
Figure 2
Cisco CWDM Passive Optical System Installation Note
1590
RX
TX
RX
1610
RX
TX
RX
INVISIBLE LASER
DO NOT VIEW
and
Figure
3, support the following
Overview
3