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Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 9 Node Reference
9.5.2 Hub Node Fiber-Optic Cabling
9.5.2 Hub Node Fiber-Optic Cabling
The following rules generally apply to hub node cabling:
• The Side A OPT-BST or OSC-CSM card common (COM) TX port is connected to the Side A
OPT-PRE COM RX port or the Side A 32DMX-O/40-DMX-C/40-DMX-CE COM RX port.
• The Side A OPT-PRE COM TX port is connected to the Side A 32DMX-O/40-DMX-C/40-DMX-CE
COM RX port.
• The Side A 32MUX-O/32WSS/32WSS-L COM TX port is connected to the Side A OPT-BST or
Side A OSC-CSM COM RX port.
• The Side B 32MUX-O/32WSS/32WSS-L COM TX port is connected to the Side B OPT-BST or
Side B OSC-CSM COM RX port.
• The Side B OPT-BST or Side B OSC-CSM COM TX port is connected to the Side B OPT-PRE COM
RX port or the Side B 32DMX-O/32DMX COM RX port.
• The Side B OPT-PRE COM TX port is connected to the Side B 32DMX-O/32DMX COM RX port.
Figure 9-34 shows an example of a hub node with cabling. In the example, OSCM cards are installed. If
OSC-CSM cards are installed, they are usually installed in Slots 1 and 17.
2 Side A OPT-BST LINE TX to Side B OPT-BST or
OSC-CSM LINE RX on adjacent node
6 Side B OSCM RX to Side B OPT-BST OSC TX
3 Side A OPT-BST OSC TX to Side A OSCM RX 7 Side B OPT-BST LINE TX to Side A OPT-BST
or OSC-CSM LINE RX on adjacent node
4 Side A OPT-BST OSC RX to Side A OSCM TX 8 Side B OPT-BST LINE RX to Side A OPT-BST
or OSC-CSM LINE TX on adjacent node
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