Siemens SICLOCK TC 400 Instructions d'exploitation Page 83

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Parameterization
9-82
© Siemens AG 2007 All Rights Reserved
SICLOCK
®
TC400
9.1.3 Redundancy
The preference when an external synchronization fails depends on the setting of
the /Redundancy/Redundancy (0.09.10)
parameter:
"Master (prefer radio clocks to NTP)" setting
RADIO CLOCK 1 is always accepted.
RADIO CLOCK 2 is used when RADIO CLOCK 1 is not available.
NTP is used when RADIO CLOCK 1 and RADIO CLOCK 2 are not avail-
able.
"Slave (prefer NTP to radio clocks)" setting
RADIO CLOCK 1 is used when NTP is not available.
RADIO CLOCK 2 is used when NTP and RADIO CLOCK 1 are not avail-
able.
NTP is always accepted.
The four Ethernet ports must be operated on different subnets to give IP-net-
work redundancy. Configuring more than one Ethernet port for the same sub-
net is not permitted.
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