System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
MSP Linear Multiplex Section Protection
Aastra Proprietary Information Page 3-23
STM-N
West
STM-N
OST
SCU-A
STM-N
West
STM-N
East
SCU-A
Working channel
STM-N
West
STM-N
East
SCU-B
STM-N
West
STM-N
East
SCU-B
Protection
channel
XMP1 node 1
XMP1 node 2
Figure 3.10: MSP 1+1 with two SCU modules in the XMP1 node (example 1)
STM-N
West
STM-N
East
SCU-A
STM-N
West
STM-N
East
SCU-A
Protection channel
STM-N
West
STM-N
East
SCU-B
STM-N
West
STM-N
East
SCU-B
Working
channel
XMP1 node 1
XMP1 node 2
Figure 3.11: MSP 1+1 with two SCU module in the XMP1 node (example 2)