Cisco ONS 15454 SDH - Figure 14-1 Three-Node, Two-Fiber MS-Spring before a Fourth Node Is Added; NTP- D353 Add an MS-Spring Node

14-3
Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 14 Add and Remove Nodes
NTP- D353 Add an MS-SPRing Node
Figure 14-1 Three-Node, Two-Fiber MS-SPRing Before a Fourth Node Is Added
Figure 14-2 shows a sample drawing of a four-fiber MS-SPRing. The dashed arrow shows the new fiber
connections that will be made to add the fourth node. For four-fiber MS-SPRings, two fiber sets will be
reconnected, the working fiber and the protect fiber.
78740
West East
West East
West East
West East
Slot 5
Tx
Rx
Slot 12
Tx
Rx
New Node
Slot 5
Tx
Rx
Slot 12
Tx
Rx
Node 2Node 1
Slot 5
Tx
Rx
Slot 12
Tx
Rx
Node 3
Slot 5
Tx
Rx
Slot 12
Tx
Rx
Working and protect fibers
New fiber connections