Verilink QUAD T1 (880-503345-001) Product Manual - Manual (Page 35)

Configuration
Verilink QUAD T1 User Manual 3-9
TC) The slot number of the application module which will be
the tertiary (third) clock source for this shelf. If both the
primary and secondary clock sources fail, this module will
provide the clock signal used to drive the transmit clock
circuitry for all of the cards in the shelf which use T1 rate
clocks.
At the prompt, type the slot
number of the module
selected as the third clock
source.
TS) Clock source within the module selected for the TC
option.
Select from the list of ports
available on the module.
TA) Enables or disables fallback to tertiary clock source after a
failed condition has cleared. If disabled, the SCM never
reverts to the tertiary clock source until an operator
changes this option.
Set to Yes Yes Yes Yes if the node is to
revert to a timing source
which failed, but is now OK.
X) Returns to the T1 Port Configuration Menu . Exits the Timing Menu.
Menu Option Description Instructions