Verilink DIDCSU 2912 Manual page 53

Command
SA Secondary Auto Restore: Select Yes to resynchronize to the next higher
clock source automatically if a previously failed clock source becomes
available again. Otherwise, choose No. Specifying a secondary source for
clocking is useful if the primary source fails. Restoring from a secondary
source may take up to 60 seconds.
TA Tertiary Auto Restore: Select Yes to resynchronize to the next higher
clock source automatically if a previously failed clock source becomes
available again. Specifying a secondary source for clocking is useful if
the primary source fails. Restoring from a tertiary source may take up to
60 seconds.
X Exit the Timing Options screen.
Figure 3-8 Timing Options Menu —Receive Clock from Shelf
-- DIDCSU 2912 CONFIGURATION MENU (TIMING OPTIONS)-- -- DIDCSU 2912 CONFIGURATION MENU (TIMING OPTIONS)-- -- DIDCSU 2912 CONFIGURATION MENU (TIMING OPTIONS)-- -- DIDCSU 2912 CONFIGURATION MENU (TIMING OPTIONS)--
Current shelf timing source: Card 2, INTERNAL (PRIMARY) Current shelf timing source: Card 2, INTERNAL (PRIMARY) Current shelf timing source: Card 2, INTERNAL (PRIMARY) Current shelf timing source: Card 2, INTERNAL (PRIMARY)
Source Source Source Source
PRIMARY PRIMARY PRIMARY PRIMARY
SECONDARY SECONDARY SECONDARY SECONDARY
TERTIARY TERTIARY TERTIARY TERTIARY
R) Receive clock from shelf: R) Receive clock from shelf:
R) Receive clock from shelf: R) Receive clock from shelf:
X) exit this screen X) exit this screen
X) exit this screen X) exit this screen
A [0.0.0.204] [1,2] DIDCSU 2912 > A [0.0.0.204] [1,2] DIDCSU 2912 >
A [0.0.0.204] [1,2] DIDCSU 2912 > A [0.0.0.204] [1,2] DIDCSU 2912 >
Table 3-7 Configuration Menu (Timing Options)—Receive Clock from Shelf, Additional Parameters
Command
PC Primary Module Slot Number: This option selects the module
providing the primary timing source.
SC Secondary Module Slot Number: This option selects the module
providing the secondary timing source.
TC Tertiary Module Slot Number: This option selects the module
providing the tertiary timing source.
X Exit the Timing Options screen and return to the Configuration
Menu.
Description
If you enable Receive clock from shelf, the Timing Options Menu
changes:
Slot Number Slot Number Slot Number Slot Number Synchronization Synchronization Synchronization Synchronization
PC) 2 PC) 2 PC) 2 PC) 2 PS) INTERNAL PS) INTERNAL PS) INTERNAL PS) INTERNAL
SC) 2 SC) 2 SC) 2 SC) 2 SS) NET 2 SS) NET 2 SS) NET 2 SS) NET 2
TC) 2 TC) 2 TC) 2 TC) 2 TS) NET 1 TS) NET 1 TS) NET 1 TS) NET 1
YES YES
YES YES
Table 3-7 provides a brief description of the additional timing
parameters shown when the Receive clock from shelf timing
option is set to Y:
Description
When finished configuring the timing options, type "X" to return to
the T1 Port Configuration Menu
Verilink DIDCSU 2912 User Manual
DIDCSU T1 Version
Yes or No
(Y/N)
Yes or No
(Y/N)
Auto Restore Auto Restore Auto Restore Auto Restore
PA) YES PA) YES PA) YES PA) YES
SA) YES SA) YES SA) YES SA) YES
TA) YES TA) YES TA) YES TA) YES
Options
Enter module (slot)
number
Enter module (slot)
number
Enter module (slot)
number
(Figure 3-5).
Options
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