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Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 9 Node Reference
9.7.2 Using the Graphical Display
The green arrows in the diagram represent the DWDM optical path within the selected side. The optical
path in this instance is summarized as follows:
1. The light enters the OPT-BST card LINE-RX port from the optical span.
2. The path continues out of the OPT-BST card COM-TX port to the COM-RX port of the OPT-PRE
card.
3. The OPT-PRE card sends the optical signal out of its COM-TX port to the 40-WXC COM-RX input
port.
4. The 40-WXC card sends the signal to be locally dropped out of its DROP-TX port to the
40-DMX/40-DMX-CE card COM-RX port.
5. The 40-DMX/40-DMX-CE card sends the dropped signal out on one of its multifiber push on (MPO)
connectors to the block labeled MPO. When you expand the MPO block (double-click it or
right-click it and select Down), you will see a muxponder (MUX) card inside the MPO block. One
of the eight optical fibers in the MPO cable is connected to the MUX trunk port.
6. The optical signal from the trunk port of the MXP card inside the MPO block enters the 40-MUX
card at one of its five MPO connectors.
7. The 40-MUX card sends the optical signal out of its COM-TX port to the ADD-RX port of the
40-WXC card.
8. The added signal from the MXP gets sent out on the COM-TX port of the 40-WXC card to the
COM-RX port of the OPT-BST card.
9. Finally, the OPT-BST card sends the optical signal out onto the span from its LINE-TX port.
9.7.2.2 Displaying Card Information
In the functional view graphical pane, you can double-click a card to bring up the usual CTC card view.
You can also move the mouse over a card to display information about the card. For example, when the
mouse is placed over the OPT-BST card in Side A, the tooltip text displays sh1/s1 (OPT-BST), indicating
that the OPT-BST card for Side A is located in Shelf 1, Slot 1. See Figure 9-43.
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