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Transmission speed
The transmission speed of the optical Fast Ethernet ports is 100 Mbps.
Transmission technique
The transmission mode for 100Base-FX is specified in the IEEE 802.3 standard.
5.6.3
SFP interface for application on rail vehicles
5.6.3.1
Overview
If you use the SCALANCE X204RNA EEC in the context of the railway approval EN50155, use the
following plug-in transceivers with coated printed circuit boards (conformal coating).
Component
SFP991-1(C)
SFP991-1LD(C)
SFP992-1LD(C)
Note
The SFP modules do not ship with the product and must be ordered separately, if needed.
5.6.3.2
SFP991-1(C)
Properties
Transmission mode
Transmission rate
Transmission medium
Light source
Wavelength
Cable length (max.) *
Transmitter output (optical)
Receiver input
SCALANCE X-200RNA
Operating Instructions, 04/2022, C79000-G8976-C342-07
100Base-FX complying with IEEE 802.3
100 Mbps (Fast Ethernet)
Multimode fiber-optic cable
LED/Class1-LASER "Eye safe"
1300 nm
At 50 µm fiber core diameter
)
At 62.5 µm fiber core diameter
Minimum
Maximum
Sensitivity min.
Input power max.
5.6 SCALANCE X204RNA EEC interfaces
Article number
6GK5 991-1AD00-8FA0
6GK5 991-1AF00-8FA0
6GK5 992-1AM00-8FA0
At 50 μm
At 62.5 μm
Device description
3 km
3 km
-24 dBm
-20 dBm
-14 dBm
-31 dBm
-12 dBm
45
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