Technical specifications
8.4 XR-300M technical specifications
SCALANCE X-300
174 Operating Instructions, 05/2016, A5E01113043-20
Table 8- 44 Permitted cable lengths (copper cable - gigabit Ethernet)
Accessory (plug, outlet,
TP cord)
IE FC Standard Cable, 4 × 2, 24
AWG
IE FC Flexible Cable, 4 × 2, 24
with IE FC RJ-45 Plug 180,
4 × 2
0 to 90 m
IE FC Standard Cable, 4 × 2, 22
AWG
with IE FC Outlet RJ-45
+ 10 m TP cord
0 to 60 m
+ 10 m TP cord
IE FC Flexible Cable, 4 × 2, 22
with IE FC Outlet RJ-45
0 to 90 m
Note
Permitted cable lengths (fiber-optic cable - Fast Ethernet or gigabit)
The values correspond to those of the permitted MM900 media
modules and SFP
Block architecture
Block architecture with SCALANCE XR-300 devices
The XR324-12M and XR324-4M handle the Ethernet frame traffic of the 24 ports with the aid
of three switch blocks.
● The three switch blocks are connected in series (block 1 via block 2 to block 3)
● Gigabit wire speed is possible within a block (max. 8 ports per block).
● Between the blocks there is a bandwidth of 1 gigabit/s available,that must be shared by
all ports for frame traffic between the blocks.
When operating solely with Fast Ethernet (100 Mbps), the XR devices support full wire
speed via all blocks.
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