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Cisco ONS 15454 DWDM Reference Manual, R8.5
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Chapter 8 Transponder and Muxponder Cards
8.8.2 Faceplate
• Control of layered SONET/SDH transport overhead: The cards are provisionable to terminate
regenerator section overhead. This is used to eliminate forwarding of unneeded layer overhead. It
can help reduce the number of alarms and help isolate faults in the network.
• Automatic timing source synchronization: The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards
normally synchronize from the TCC2/TCC2P card. If for some reason, such as maintenance or
upgrade activity, the TCC2/TCC2P is not available, the cards automatically synchronize to one of
the input client interface clocks.
• Configurable squelching policy: The cards can be configured to squelch the client interface output
if there is LOS at the DWDM receiver or if there is a remote fault. In the event of a remote fault, the
card manages MS-AIS insertion.
• The cards are tunable across the full C band (MXP_2.5G_10E_C) or full L band
(MXP_2.5G_10E_L), thus eliminating the need to use different versions of each card to provide
tunability across specific wavelengths in a band.
8.8.2 Faceplate
Figure 8-20 shows the MXP_2.5G_10E_C and MXP_2.5G_10E_L faceplates and block diagram.
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