Properties
Properties Half/full duplex, MDI‑X pinning
Transmission speed 10 / 100 Mbps
Optical connectors
Optical connectors
Quantity 2
Connectors
The attachment to Industrial Ethernet uses SC connector tech‐
nology (Subscriber Connector).
Properties
Transmission mode 100Base-FX complying with IEEE 802.3
Transmission speed 100 Mbps (Fast Ethernet)
Transmission medium Multimode fiber-optic cable
Light source LED/Class1-LASER "Eye safe"
Wavelength 1300 nm
Cable length (max.) *
)
At 50 µm fiber core diameter 3 km
At 62.5 µm fiber core diameter 3 km
Transmitter output (optical) Minimum At 50 μm -23.5 dBm
At 62.5 μm -20 dBm
Maximum -14 dBm
Receiver input Sensitivity min. -31 dBm
Input power max. -8 dBm
*) Depending on the cable used, you can find additional information in the "Industrial Ethernet /
PROFINET Passive network components" System Manual, see also section "Introduction",
paragraph "Additional documentation".
7.2 Technical specifications of the SCALANCE XB108-2(ST)
The following technical specifications apply to the SCALANCE XB108-2(ST).
Technical specifications
Electrical data
Power supply Rated voltage 24 V AC/VDC
Voltage range 19.2 to 28.8 V AC/VDC Safety Extra Low
Voltage (SELV)
Design Terminal block, 3 terminals
Properties Implemented redundantly
Technical specifications
7.2 Technical specifications of the SCALANCE XB108-2(ST)
SCALANCE XB-100
34 Operating Instructions, 02/2019, C79000-G8976-C473-03
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