Description of the device
4.3 Interfaces and signaling contact of the switches
SCALANCE X-300
86 Operating Instructions, 02/2012, A5E01113043-12
Transmission medium
Data transmission at 10 Mbps and at 100 Mbps is over two wire pairs (pin 1, 2, 3, 6) of the
twisted pair cable. For 10 Mbps, at least a category 3 (Cat 3) and for 100 Mbps, at least a
four-wire (2 x 2) category 5 (Cat 5) cable is necessary.
Transmission range
The maximum transmission range (segment length) is 100 m.
Connectors
A node or network segment is connected to an 8-pin RJ-45 jack with securing collar. Due to
its flush fitting with an IE FC RJ-45 Plug 180 / IE FC RJ45 Plug 145 connector, the securing
collar ensures a robust connection suitable for industry that provides tensile and bending
strain relief for the inserted connector.
Note
The RJ-45 jacks of the SCALANCE X300EEC variants do not have a securing collar. The
tensile and bending relief are provided by the securing bracket using a cable binder, see also
section Signaling contact (Page 140).
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