Siemens SITOP UPS1600 Equipment Manual page 146

Engineering and remote access
3.9 Web server
Note regarding assigning TCP/UDP port numbers
Please note the following when configuring TCP/UDP port numbers:
Port numbers in the range from 0 up to 1023 are called "system ports" or "well-known ports".
The are used by system processes that provide widely established network service types. It is
recommended that these port numbers are not used.
NTP client
Configure the NTP client under "HW Configuration > General > NTP client".
If the NTP client is activated, then the local time is synchronized with the specified time of the
specified NTP server.
The NTP update interval is automatically and dynamically adapted between 64 seconds and
68 minutes 16 seconds.
The time of the last synchronization and the next scheduled synchronization are displayed.
• NTP client activated
Activate the NTP client here.
• NTP server address 1 ... 4
Enter up to 4 NTP server IP addresses.
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SITOP UPS1600 / BAT1600 / UPS1100
Equipment Manual, 07.2021, A5E37775406-11-76