Services and Components
Table 39: FSG Service Attributes (cont.)
Attribute | Type / Units | Description | C | T | Alarm | |
|
|
|
|
|
| |
Reference | Enumerated | Indicates the current condition of |
|
| TRFS | |
Clock Status | Text | the timing source: |
|
|
| |
|
| 0 | = Stable |
|
|
|
|
| 1 | = Flywheeling |
|
|
|
|
| 2 | = Unstable |
|
|
|
|
| 3 | = Offline |
|
|
|
|
| 4 | = Unknown |
|
|
|
|
|
|
|
|
| |
Local Clock | Enumerated | Indicates the condition of the |
|
| TRSS | |
Status | Text | internal timing system: |
|
|
| |
|
| 0 | = Calibrating |
|
|
|
|
| 1 | = Synchronizing |
|
|
|
|
| 2 | = Syntonizing |
|
|
|
|
| 3 | = Flywheeling |
|
|
|
|
|
| (Recalibrating) |
|
|
|
|
| 4 | = Flywheeling |
|
|
|
|
|
|
|
|
| |
Local Clock | ppm | The error between the local clock |
|
| N/A | |
Rate Error |
| and the reference clock. |
|
|
| |
|
|
|
|
|
| |
Local Clock | ppm | The cumulative offsets (since last |
|
| N/A | |
Rate Drift |
| restart) required by the local clock |
|
|
| |
|
| to keep in sync with the reference |
|
|
| |
|
| clock. |
|
|
| |
|
|
|
|
|
| |
Network | µs | Rough measure of how different |
|
| TNER | |
Neighbor |
| this service’s clock is from that of |
|
|
| |
Drift |
| the ADC services. |
|
|
| |
|
|
|
|
|
|
|
FSG Components
In addition to the standard service attributes, the FSG also supports the following components:
•Storage
•Replication
•Backup
•Client Services
•Connectivity
105
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