11-11
Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter11 SDH Topologies and Up grades
11.2.4 MS-SPRing Application Sample
Figure 11-9 shows the shelf assembly layout for Node 0, which has one free slot.
Figure11-9 Shelf Assembly Layout for Node 0 in Figure11-8
Figure 11-10 shows the shelf assembly layout for the remaining sites in the ring. In this MS-SPRing configuration, an additional eight E-3s at Node IDs 1 and 3 can be activated. An additiona l four E-3s can be added at Node ID 4, and ten E-3s can be added at Node ID 2. Each site has free slots for future traffic needs.
Figure11-10 Shelf Assembly Layout for Nodes 1 to 4 in Figure11-8
E1-N-14
E1-N-14
E1-N-14
E1-N-14
E1-N-14
OC48/STM16
TCC2
XCVXL
XCVXL
TCC2
OC48/STM16
OC3/STM1
OC3/STM1
E3-12
E3-12
Free Slot
Free Slot
71270
Lower Shelf
E1-N-14
Lower Shelf
E1-N-14
TCC2
XCVXL
Free Slot
XCVXL
TCC2
Free Slot
Free Slot
OC48/STM16
E3-12
E3-12
Free Slot
Free Slot
Free Slot
OC48/STM16
Free Slot
71264