Transmission medium
Data transmission is over multimode ber-optic cable (FOC). The wavelength is 1310 nm. The
FO cables are compatible with multimode FO cables with 1300 nm.
Multimode ber-optic cables are used with a core of 50 or 62.5 µm; the light source is an LED.
The outer diameter of the FOC is 125 µm.
Range
The maximum transmission range (segment length) with a signal attenuation of the ber-optic
cable of ≤ 1 dB/km at 1310 nm is:
• with 62.5/125 µm ber multimode SIMATIC NET cable: 4 km
• with 50.0/125 µm ber multimode SIMATIC NET cable: 5 km
Connectors
The cables are connected to SC sockets.
4.5.2 SCALANCE XB004-2
Transmission rate
The transmission speed of the optical Fast Ethernet ports is 100 Mbps.
Transmission mode
The transmission mode for 100Base-FX is specied in the IEEE 802.3 standard.
Since the full duplex mode and the transmission rate cannot be modied for optical
transmission, autonegotiation cannot be used.
Transmission medium
Data transmission is over multimode ber-optic cable (FOC). The wavelength is 1310 nm. The
FO cables are compatible with multimode FO cables with 1300 nm.
Multimode ber-optic cables are used with a core of 50 or 62.5 µm; the light source is an LED.
The outer diameter of the FOC is 125 µm.
Range
The maximum transmission range (segment length) with a signal attenuation of the ber-optic
cable of ≤ 1 dB/km at 1310 nm is:
• with 62.5/125 µm ber multimode SIMATIC NET cable: 4 km
• with 50.0/125 µm ber multimode SIMATIC NET cable: 5 km
Description of the device
4.5 FO port (ber optic)
SCALANCE XB-000
Operating Instructions, 01/2022, A2B00077300-11 31
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