9-18
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 9      Node Reference
9.2    Multishelf Node
Figure 9-17 OSC Regeneration Line Node Configuration Example
Figure 9-18 shows the OSC regeneration line node signal flow. 
Figure 9-18 OSC Regeneration Line Node Flow
9.2 Multishelf Node
An ONS 15454 node provisioned as a multishelf node can manage up to 12 subtending shelves as a single 
entity. 
OSC-CSM
Available
Available
DCU
Air ramp
DCU
Available
Available
Available
TCC2/TCC2P
Available
Available
TCC2/TCC2P
Available
Available
Available
Available
OSC-CSM
Available
AIC-I
115232
115255
Fiber
Fiber
Fiber
Fiber
Side B
OSC-CSM
Side A
OSC-CSM
Side B 
Side A
COM-TX
Line-TX
Side B 
Side A
COM-RX
Line-RX
Side B 
Side A
COM-RX
Side B 
Side A
Side B 
Side A
Side B 
Side A
COM-TX