Hirschmann MACH 4000 Series, User Manual

Page: 107 / 236

Synchronizing the System Time of the
Basic - L3P
Release 3.1 06/07
7.2 SNTP
107
7.2.2 Preparing the SNTP configuration
V
To gain an overview of how the system time is passed on, draw a network
plan which shows all devices involved in SNTP. Please bear in mind that
the accuracy of the system time depends on signal runtime.
Fig. 26: Example SNTP
V
Switch on the SNTP function on all devices whose time you want to set
using SNTP.
V
If you do not have a reference clock at your disposal, use a Switch as the
reference clock, and set its system time as accurately as possible.
Note: For the most accurate system time distribution possible, avoid having
network components (routers, Switches, hubs) which do not support SNTP
in the signal path between the SNTP server and the SNTP client.
GPS
NTP-
Server
Server Client
Client
Client
Switch
PLC
Server Client
Switch
Server Client
Switch
149.218.112.1 149.218.112.2 149.218.112.3
149.218.112.0