Siemens SCALANCE X-300EEC, Краткое руководство по эксплуатации

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7.4 Other properties
Switching properties
Max. number of learnable addresses 8000
Aging time 30 sec
Switching technique Store and forward
Latency 5 μs
Reconfiguration times for redundancy mechanisms
Redundancy mechanism Reconfiguration times
HRP 300 ms
Standby link 300 ms
MRP 200 ms
Mean time between failure (MTBF)
Device variant Device version MTBF
1)
X302-7EEC 1 x power supply unit 24 V DC 27 years
2 x power supply unit 24 V DC 19 years
1 x power supply unit 100 to 240 V AC / 60
to 250 V DC
22 years
2 x power supply unit 100 to 240 V AC / 60
to 250 V DC
15 years
X307-2EEC 1 x power supply unit 24 V DC 29 years
2 x power supply unit 24 V DC 20 years
1 x power supply unit 100 to 240 V AC / 60
to 250 V DC
24 years
2 x power supply unit 100 to 240 V AC / 60
to 250 V DC
16 years
1)
These values apply at 40 °C.
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.
Full wire speed switching
Number of frames per second At a frame length of
At 100 Mbps At 1000 Mbps
148810 1488095 64 bytes
84459 844595 128 bytes
45290 452899 256 bytes
23496 234962 512 bytes
11973 119732 1024 bytes
Technical data
7.4 Other properties
SCALANCE X-300EEC
Compact Operating Instructions, 11/2019, A5E02630809-14
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