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108
C
HAPTER
5: C
ONFIGURING
THE
P
LATFORM
Set External Clock
Source 1
Set a port to be the first external clock source port. If the port does not
exist, is disabled, is in loop timing mode, loopback or loop forward, it
cannot be used as an external clock source port.
Command Actions
Command Result
If the port has already been set to be the first or second clock source, it is
meaningless to set the port again. In this case, the command is ignored
and the following message is displayed:
Clock source 2 is already set to this port.
It is meaningless to set the two sources to the same port,
operation ignored.
Example
Enter:
1 8 2 5.1.2
The following message is displayed:
External clock source port 1 was successfully configured to
port 5.1.2.
Enter menu sequence:
(1) SYS: Platform Configuration
(8) SCS: Switch Clock Synchronization
Setup
(2) SP1: Set External Clock Source 1
Enter parameter at prompt
Parameter Format or Range
Clock source <slot.group.port> or
None
Direct access sequence:
1 8 2
[parameter]
System action:
The port is set to be the active clock source port.
System message display:
External clock source port 1 was
successfully configured to port
<slot.group.port>.