SCALANCE network components
4.5 SCALANCE X Industrial Ethernet Switches
Industrial Ethernet
System Manual, 09/2019, C79000-G8976-C242-10
145
plug-in connector into the housing. The transfer of data and energy to Power-over-Ethernet
capable end devices via the SCALANCE X108PoE data cable reduces network installation
costs.
Secure operation is guaranteed by the redundant power supply and a signaling contact with
on-site configuration. The information about supply voltage, port status and data traffic is
supplied by an LED.
4.5.7.2 Characteristics
The device has the characteristics shown in the following table:
Diagnostics LED ●
Signaling contact ●
On site display (Set button)
● Suitable / available or according to the specified standard
Additional information on the SCALANCE X108PoE:
Over and above the pure Ethernet functionality, ports 1 and 2 can also be used to supply
power to Power-over-Ethernet end devices, for example SCALANCE-W, in compliance with
802.3af. The two ports providing PoE are supplied from the same power source. This means
that they are electrically interconnected. They are however isolated from ground, from the
ports that do not provide PoE and from the power connector (24 V). Their use is therefore
subject to the conditions listed in IEEE 802.3af for Environment A. Ports 3 to 8 do not have
the PoE function. These ports are all isolated from each other.
Note
Ethernet devices without PoE functionality can also be connected to ports 1 and 2. A voltage
is applied only after the SCALANCE X108 PoE
has detected a PoE end device complying
standard at the port.
4.5.7.3 Interfaces
10/100/1000 Mbps with PoE
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