3com 7000 Manual Suplementario
120
C
HAPTER
5: C
ONFIGURING
I
NTERFACE
M
ODULES
Set and Save Clock
Synchronization
Mode
Synchronization
Mode
Sets and saves the external clock synchronization mode of the external
clock source port. You are prompted to specify an external clock source
port. This can only be used with an 8-port interface card. All other
bottom ports on this and other 8-port boards in the chassis will be
synchronized according to the external clock source port. The OC-12 card
cannot synchronize a clock on an OC-3 port.
clock source port. You are prompted to specify an external clock source
port. This can only be used with an 8-port interface card. All other
bottom ports on this and other 8-port boards in the chassis will be
synchronized according to the external clock source port. The OC-12 card
cannot synchronize a clock on an OC-3 port.
It is not possible to synchronize ports unless there is a fiber optic cable in
the port.
the port.
Command Actions
Command Result
Example — Clock Synchronization for the 8-Port Board in Slot 3
Enter:
1 1 12 2
You are prompted to enter the port id.
Enter:
3.1
This message is displayed:
Enter the menu sequence:
(1) SYS: Platform config
(1) SET: Switch setup
(12) SCS: Clock synchronization
setup
(2) SCS: Set & save clock
synchronization mode
Enter a parameter at the prompt
Parameter
Format or Range
Port ID
slot.port
Direct access sequence:
1 1 12 2
[parameters]
System action taken:
The clock synchronization mode of the port is set and
saved.
saved.
System message display:
Setting Clock synchronization completed
successfully.