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8.4
Other properties
Switching properties
Max. number of learnable addresses
Aging time
Switching technique
Latency
Reconfiguration times for redundancy mechanisms
Redundancy mechanism
HRP
Standby link
MRP
Mean time between failure (MTBF)
The value in the following table applies to the basic device without media modules.
MTBF
This value applies at 40 °C.
1)
In the calculation of the MTBF of a modular switch, the standard parts count applies; in other
words, the reciprocals of all component failure rates are added.
The reciprocal of this total id the MTBF of the entire assembly.
Full wire speed switching
At 100 Mbps
148810
84459
45290
23496
11973
9615
8127
Note
The IE Switches X-300 support "full wire speed switching" complying with IEEE 802.3 on all
ports. The number of packets therefore depends on the packet length.
SCALANCE X-300M
Compact Operating Instructions, 05/2023, A5E02630801-14
Number of frames per second
At 1000 Mbps
1488095
844595
452899
234962
119732
96154
81274
8000
30 sec
Store and forward
5 μs
Reconfiguration times
300 ms
300 ms
200 ms
> 40 years
1)
At a frame length of
64 bytes
128 bytes
256 bytes
512 bytes
1024 bytes
1280 bytes
1518 bytes
Technical data
8.4 Other properties
57
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