Siemens SCALANCE XM-400 - Switching Properties

Technical specifications
6.4 Switching properties
SCALANCE XM-400
Operating Instructions, 05/2014, C79000-G8976-C306-03
65
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
Can be configured (default value: 40 seconds)
Max. number of learnable
addresses
16000
Switching technique
Store and forward
Latency
25 - 70 microseconds
Reconfiguration times for redundancy methods:
Redundancy method
Reconfiguration time
HRP
300 ms
Standby link
300 ms
MRP
200 ms
Full wire speed switching:
Number of frames per second
Frame length
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
9615
96154
1280 bytes
8127
81274
1518 bytes
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).