310 TimeProvider 5000 User’s Guide
098-00028-000 Revision F – May, 2012
Chapter 4 Provisioning
Provisioning the Input Reference
Provisioning the Input Reference
When operating in normal (locked) mode, the TimeProvider 5000 uses an external
reference (such as GPS) to acquire the system’s frequency and/or TOD alignment.
shows the configurable parameters for reference selection.
Setting Reference Mode
The TP 5000 can be in either Time mode or Frequency mode for reference
selection. GPS, GNSS and 1PPS+TOD references inputs are time references. The
E1 and T1 reference inputs are frequency references.
Time Mode
In Time mode with a time reference, the system will track the phase of the input and
the system time will be set from the time of the input reference. With a frequency
input reference, the system will only track the frequency of the reference.
Table 4-14. Configurable Parameters for Reference Selection
Parameter
Value Range
Description/Notes
Reference Mode
Time
Frequency
Selecting "Time" means some outputs need to track
reference time and phase.
Selecting "Frequency" means it is not necessary for
the outputs to track reference time and phase.
Reference Criteria
Priority
SSM
Network Option
Option I
Option II
SSM Option 1 is for E1 sync networks,
SSM Option 2 is for T1 sync networks.
As defined in ITU G.781 and G.8265.1
Synchronization Status Message (SSM)
page 318 for details about Network SSM Options
Priority
(per port)
1 to 16
QL
(per port)
1 to 9
GNSS and PPS-TOD ports are hardcoded with QL
value that correspond to PRC/PRS. See
Reference Port State
(per port)
Enable
Disable
Summary of Contents for TimeProvider 5000
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