Version 6.6 225 October 2014
Installation & Operation Manual 27. Working with the SC Boards
27.3 SC Board Actions
The following actions can be performed on an SC board and are available in the EMS
when you right-Click the specific SC board in the Media Gateway status screen:
Switchover – applicable to the Active SC only. The activity of the SC boards is
switched; the Standby SC becomes the Active SC). The software on the initially
Active SC board is re-started during the switchover action. It may take up to 2
minutes before it returns back to service (as the Standby SC board).
Lock – take the SC board out of service.
Note: The locked SC board permanently stays in the Standby state, even when
another SC board fails. Therefore, use the lock action with great caution.
Unlock – bring locked SC board back to service. SC board is rebooted during the
unlock action and it may take up to 5 minutes before it returns back to service.
27.4 SC Board Hardware Revisions
The following hardware revisions of the SC boards may be installed in the Mediant
8000 chassis:
SC Rev.1 board – based on the SUN CP2300 SBC and using the SUN Solaris
OS
SC Rev.2 board – next-generation SC board, based on the Intel CPU and using
the Linux OS
See 'System Controller (SC) Board' on page 63 for details.
To determine the hardware revision of SC boards installed in your chassis, open the
SC Board Provisioning frame, by double-clicking on the SC board in the EMS main
status screen, and verify the OS Name parameter value. Value “SunOS” corresponds
to the SC Rev.1. Value “Linux” corresponds to the SC Rev.2.
Note: Both SC boards installed in the chassis must be of the same hardware
revision. Do not mix SC boards of different hardware revisions (SC Rev.1 and SC
Rev.2) in the same chassis.
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