Ace ACE-3105, Инструкция по установке и эксплуатации

Страница: 244 / 418

Chapter 6 Monitoring and Diagnostics Installation and Operation Manual
6-6 Monitoring Performance ACE-3105, ACE-3205 Ver. 5.2
³
To access the recovered clock monitoring options:
•
From the Clock monitoring menu, select Recovered Clock.
The Recovered Clock menu is displayed.
ACE-3205 – RAD Data Communications
Monitoring> System> Clock> Recovered clock
1. Status >
2. Statistics >
>
Please select item <1 to 2>
ESC-previous menu; !-main menu; &-exit
Figure 6-7. Recovered Clock Menu
³
To view the recovered clock status details:
•
From the Recovered Clock menu, select Status.
The status details are displayed.
ACE-3205 – RAD Data Communications
Monitoring> System> Clock> Recovered clock> Status
Clock State > (Rapid Phase Lock)
Recovered ID ... (1)
>
ESC-previous menu; !-main menu; &-exit
Figure 6-8. Recovered Clock Status
Table 6-5. Recovered Clock Status Parameters
Parameter Description Possible Values
Clock State The current state of the recovered clock.
The possible states are (read-only):
•
Free run – the clock recovery is not
locked/attached to any PSN clock source.
The internal oscillator generates the clock.
•
Frequency acquisition – the adaptive clock
recovery process is currently attaining the
clock frequency.
•
Rapid phase lock – the clock recovery is in
learning process until it reaches fine
phase lock state.
•
Fine phase lock – the unit is locked on the
PSN clock source. The recovery is stable
and received at the required quality level.
Free run
Frequency acquisition
Rapid phase lock
Fine phase lock
Holdover