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7017 6300–005 3–1
Section 3
Configuring System Options
How This Section Is Organized
This section discusses how system options are configured. It covers:
• Memory for the NX5820 and NX5820 K
− Describes memory components used in expanding memory
− Provides guidelines for configuring memory
• Channel expansion
• Redundant SCP
• Redundant switching hubs
• Additional operator/maintenance displays
• Operator work space
• Redundant power for NX5820 and NX5820 K
• Configuring additional OSS7000 device
• Configuring from NX5820 to NX5820 K systems
NX5820 and NX5820 K Memory
The NX5820 and NX5820 K utilizes the MSA and two styles of MSK memory boards for
various system configurations. Each style of memory is unique to a range of system
styles as follows:
• The MSA104-192 board is configured in NX5820 system styles NX5821-31 through
NX5822-72, and in NX5820 K system styles NX5821-1D1 and NX5822-2D2.
• The MSK208-384 board is configured in NX5820 system styles NX5822-73 through
NX5822-76, and in NX5820 K system styles NX5822-2D3 through NX5822-2D6.
• The MSK412-384 board is configured in NX5820 system styles NX5822-77 and NX5822-
78, and in NX5820 K system styles NX5822-2D7 through NX5822-2DA.
Table 3-1 shows the specific type and quantity of memory boards configured.