What is the PPL states of the clock?

Neil_Tong · Created Sep 17, 2019 14:58:26

Hi friend,
The clock has four PLL(phase-locked loop) states: Free running, fast tracking, locked, and hold.
When the BTS is not configured with a reference source, the BTS is in the free-running state. After the BTS is configured with a reference source, the BTS will enter the fast-tracking state from the free-running mode. The two states change quickly, generally, which will be changed immediately after the reference source is set.

For the more details about PPL states, please refer to the 5.3 section of below link:
http://support.huawei.com/hedex/hdx.do?docid=SE0000749359&id=GEC03057_09_10079&text=Synchronization%2525252BFeature%2525252BParameter%2525252BDescription&lang=en

Neil_Tong · Created Sep 17, 2019 14:58:26

Hi friend,
The clock has four PLL(phase-locked loop) states: Free running, fast tracking, locked, and hold.
When the BTS is not configured with a reference source, the BTS is in the free-running state. After the BTS is configured with a reference source, the BTS will enter the fast-tracking state from the free-running mode. The two states change quickly, generally, which will be changed immediately after the reference source is set.

For the more details about PPL states, please refer to the 5.3 section of below link:
http://support.huawei.com/hedex/hdx.do?docid=SE0000749359&id=GEC03057_09_10079&text=Synchronization%2525252BFeature%2525252BParameter%2525252BDescription&lang=en

What is the PPL states of the clock?

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What is the PPL states of the clock?

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