Configuration using Web Based Management and Command Line Interface
4.5 The Switch menu
SCALANCE X-300 / X-400
242 Configuration Manual, 10/2014, C79000-G8976-C187-22
One particular advantage of the peer-to-peer transparent clock is that the message delay
times to the neighboring device are also calculated for blocked ports. When the network is
reconfigured, this means that the slave has correct message delay times available very
quickly.
Configuration of the Precision Time Protocol with the WBM
IEEE 1588 with SCALANCE devices
Note
The IEEE 1588 menu item is available with the following d
evices as of firmware version
SCALANCE X308-2M
SCALANCE X308-2M PoE
SCALANCE X302-7EEC
SCALANCE X307-2EEC
SCALANCE XR324-12M
SCALANCE XR324-4M PoE
SCALANCE XR324-4M EEC
The synchronization frames are forwarded through the network using to the "trans
parent
clock" mechanism and the correction mechanisms "end to end" and "peer
-to-peer" are
The SCALANCE devices operate as a "two
-step clock". They support the use both of one-
step clocks as well as two
-step clocks in the network.
The IEEE 1588v2 standard defines mechanisms with which highly precise time of day
synchronization of devices in a network can be achieved. The listed SCALANCE devices
also support time-of-day synchronization according to IEEE 1588v2 with appropriate
hardware. The IEEE 1588v2 functionality is disabled on these devices when they are
supplied and following a "Reset to factory default". To be able to use IEEE 1588v2, enable
this function and configure every port that is on the synchronization path as well as ports that
are blocked due to redundancy mechanisms. IEEE 1588v2 can also be used with
redundancy mechanisms in the ring such as HRP, standby linking of rings, MRP and RSTP.
The following sections describe the configuration options of Web Based Management.
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