Adding A System Board; Conditions For Adding Components; Number Of Mounted System Boards; Conditions Concerning Combined Use Of System Boards - Cisco C880 M4 Service Manual

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1 Adding a System Board

This appendix describes various operations required for installation.
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1.1 Conditions for adding Components

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1.1.1 Number of mounted system boards

- The number of maximum mounting is four.
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1.1.2 Conditions concerning combined use of system boards

- The conditions for adding components described in Chapter 2 Adding a CPU Module
must be satisfied.
- The conditions for adding components described in Chapter 3 Adding Memory
must be satisfied.
- The conditions for adding components described in Chapter 4. Adding a Memory Expansion Board
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1.1.3 Main unit status

- Table 1.1.3 lists whether an SB addition can be added in each main unit status.
Main unit status
- AC power to the main unit is off
(Cold maintenance (AC power off))
- AC power to the main unit is on
- System Powered Off
(Cold maintenance (standby))
- AC power to the main unit is on
- System Powered On
(Hot maintenance)
must be satisfied.
Table 1.1.3
Work possible?
Yes
Yes
No
10
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