Switching Properties - Siemens SCALANCE XM-400 Operating Instructions Manual

6.4

Switching properties

The following technical specifications apply to the following device:
● SCALANCE XM408-4C
● SCALANCE XM408-8C
● SCALANCE XM416-4C
Switching properties
Aging time
Max. number of learnable
addresses
Switching technique
Latency
Reconfiguration times for redundancy methods:
Full wire speed switching:
Note
The number of SCALANCE XM-400 modules connected in a line influences the frame delay.
When a frame passes through the switch, this is delayed by the store-and-forward function of
the SCALANCE XM-400 by 25-70 microseconds (at 1000 Mbps).
SCALANCE XM-400
Operating Instructions, 05/2014, C79000-G8976-C306-03
Can be configured (default value: 40 seconds)
16000
Store and forward
25 - 70 microseconds
Redundancy method
HRP
Standby link
MRP
Number of frames per second
At 100 Mbps
148810
84459
45290
23496
11973
9615
8127
Reconfiguration time
300 ms
300 ms
200 ms
At 1000 Mbps
1488095
844595
452899
234962
119732
96154
81274
Technical specifications
6.4 Switching properties
Frame length
64 bytes
128 bytes
256 bytes
512 bytes
1024 bytes
1280 bytes
1518 bytes
65