Polycom DOC2230A - Manual (Page 46)

MGC-50/MGC-100 Getting Started Guide
3-22
2. Right-click the unit (span) to configure and select one of the clocking
options:
3. After setting the clock source, a Warning message box opens, instructing
you to reset the MCU.
The configuration changes take effect only after the next MCU reset or
start up and they are shown in the Configured Clock column in the Status
pane.
Table 3-6: Net-2/Net-4/Net-8 Unit Clocking Options
Option Description
Set as Primary
Clock Source Sets this unit as the primary clock source.
Cancel Primary
Clock Source Stops this unit from acting as the primary clock
source.
Set As Backup
Clock Source Sets this unit as the backup clock source.
Cancel Backup
Clock Source Stops this unit from acting as the backup clock
source.