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Chapter 1
Product Overview
There are three types of mux/demux modules available:
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•
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Up to four 4-channel or 8-channel optical add/drop mux/demux modules can be
installed in a mux/demux motherboard. Each module can multiplex and
demultiplex a band of 4 or 8 channels, for a maximum of 32 channels. Channels
not filtered are passed on to the next mux/demux module. (See
Figure 1-6
4-channel OADM with OSC
One 32-channel terminal mux/demux module can be installed in slot 0 or 1 of the
Cisco ONS 15540 ESPx chassis. The 32-channel terminal mux/demux module is
equipped with OSC, input/output, and monitoring ports that use MU connectors.
The remaining 8 ports that connect to the transponder modules use MTP
connectors. The OSC is a dedicated, full duplex communication ITU-T DWDM
channel for in-band management traffic. The input/output ports are trunk
connections used to connect to the external fiber trunks. Monitoring ports use a
one percent tap coupler (20 dB) for both the mux and demux sides and also allow
you to non-obtrusively connect an OSA (optical spectrum analyzer) to monitor the
incoming or outgoing DWDM signals.(See
78-16436-01
4 channels
8 channels
32 channels
4- and 8-Channel OADM Modules with OSC
8-channel OADM with OSC
Figure
Cisco ONS 15540 ESPx Hardware Installation Guide
Cisco ONS 15540 ESPx Components
Figure
1-6.)
1-7.)
1-15
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