Main Clock Synchronization Specifications

Mark.hu · Created Oct 18, 2018 02:09:37

Thank you for sharing. I don’t think I understand this place. Can you explain it to me?The deviation between the actual frequency and the standard frequency. It generally refers to the accuracy of a clock in free-running mode. thanks a lot This post was last edited by Mark.hu at 2018-10-31 06:38.

GongXiaochuan · Created Oct 18, 2018 03:47:38

useful information Main Clock Synchronization Specifications-2779881-1

This post was last edited by GongXiaochuan at 2018-10-30 05:36.

Finn92 · Created Oct 18, 2018 06:35:20

even i cannot see these table 1&2 information , but

I am very interested for this sharing , which is very helpful to our daily work. I have the similar problems in my daily troubleshooting, but I do not know how to deal with them. Now I have a clear idea. Thank you very much for your post. Hope you can update continue like this , thank you very much .

This post was last edited by Finn92 at 2018-10-31 06:12.

Torrent · Created Oct 18, 2018 06:40:57

The system clock is set using the clock datetime, clock timezone, and clock daylight-saving-time commands.

If the three commands are not used, the original system clock is displayed after you run the display clock command.
You can use any combination of the three commands to configure the system time. Table 1 lists the formats of the configured time.

The table assumes that the original system time is 08:00:00 on January 1, 2010.

1: indicates that the clock datetime command is used, in which the current time and date is date-time.
2: indicates that the clock timezone command is used, in which the time zone parameter is set and the time offset is zone-offset.
3: indicates that the clock daylight-saving-time command is used, in which the DST parameters are set and the time offset is offset.
[1]: indicates that the clock datetime command is optional.

This post was last edited by Torrent at 2018-10-31 07:20.

Skay · Created Oct 18, 2018 11:00:13

Thanks for your sharing , this part is very good :
The long-term variations of the significant instants of a clock or digital signal from their ideal position in time (where long-term implies that these variations have a frequency less than 10 Hz).

wissal · Created Oct 18, 2018 17:15:16

helpful post, thanks

faysalji · Created Oct 19, 2018 04:49:44

Thanks dear

SupperRobin · Created Oct 19, 2018 09:26:18

When configuring NTP authentication in the unicast server/client mode, enable the NTP authentication on the client, and then specify the NTP server address and the authentication cipher to be sent to the server. If these operations are not performed, the NTP server and client directly synchronize their clocks withou****P authentication.
The server and the client must be configured with the same authentication cipher.
To ensure successful authentication, configure the NTP client and server properly.

This post was last edited by SupperRobin at 2018-10-31 06:41.

No.9527 · Created Oct 19, 2018 09:29:39

Telecommunications services on modern communications networks require that the frequency offset or time difference between devices be within an acceptable range. This requirement must be met using network clock synchronization.
Clock synchronization includes frequency synchronization and phase synchronization.
Frequency synchronization
Frequency synchronization, also called clock synchronization, indicates that signals have the same frequency and a fixed phase difference. That is, signals are sent or received at an average rate. All devices on a communications network operate at the same rate.

Phase synchronization
Phase synchronization, also called time synchronization, indicates that both frequencies and phases of signals are consistent. That is, the phase offset between signals is always 0.

This post was last edited by No.9527 at 2018-10-31 06:30.

Main Clock Synchronization Specifications

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