Bodet 930 Manuel D'installation Et De Mise En Service page 23

- NTP Mode: one of three modes may be selected:
o Unicast: In Address IP 1, enter the IP address of the NTP server. In this case it is the
clock that calls the NTP server.
It is also possible to set up redundancy (if the first server does not respond, the
second is queried, and so on): for this purpose up to 5 server addresses may be entered
(IP address 1/2/3/4/5).
The Periodicity field sets the frequency with which the clock queries the configured NTP
servers.
o Multicast: In this case, the NTP server broadcast the time on the multicast address that
was that given to it. The multicast address of the clients (reveivers) must be the same that the
one on which the server broadcasts.
By default, the Bodet products transmit or receive using the multicast address: 239.192.54.1
The multicast addresses are included between 224.0.0.0 and 239.255.255.255.
o By DHCP: Same mode as Unicast except that the addresses of the NTP servers are gather
automatically via the DHCP server (option 42 on the DHCP server).
The checkbox «continues to display» is used to define the behavior of the clock after a loss of NTP
for 48 hours:
- In «continues to display» OFF, the clock hands are positioned 12h.
- In «continues to display», the clock continues to run on its internal quartz.
The Save buttons save the configuration data entered.
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