System clock source menu, System clock source menu -22 – Verilink AS4000 (34-00244) Product Manual User Manual
Page 66
System Menus
4-22
Verilink AS4000 User Manual
Figure 4-18 Slot Configuration Menu
Use this menu to configure which types of modules are present in
the AS4000. The Card Type field will toggle through a list of
available modules. The Slot Name field accepts entry of an alpha-
numeric label for the module. The Slot Name may be up to eleven
characters long.
System Clock
Source Menu
The System Clock Source Menu is used to configure the AS4000 so
that it uses a common clock source for all modules and
connections. This synchronizes the TDM (Time Division
Multiplexer) functions of the backplane. Two alternate clock
sources can be configured.
If the mode is set to Primary, Secondary or Tertiary, then only that
clock source will be used. If the mode is set to automatic, then the
AS4000 System Manager will choose the highest priority clock
source that is currently available. If any clock source fails and no
other is available, the system defaults to free run, which is an
internal clock source.
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