Siemens X-400 Transmission Rate, Transmission Mode, Transmission Medium, Transmission Range

Models: X-400

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System Description of SCALANCE X-400

2.2.41000Base-SX

Transmission Rate

The transmission rate of the optical gigabit ports is 1 Gbps.

Transmission Mode

Transmission with 1000Base-FX is defined in the IEEE 802.3z standard and is specified as 1000 Mbps transmission rate and full duplex.

Transmission Medium

Data is transmitted over multimode FOC. The wavelength is 850 nm.

The core diameter of the multimode FOC is 50 µm; the light source is an LED. Many modes (light beams) are used for signal transmission. The propagation times of the light pulses (dispersion) restrict the maximum range considerably.

Transmission Range

The maximum transmission range (segment length) is 750 m when using SIMATIC NET fiber-optic multimode FOC with SC duplex connectors.

Connectors

SC duplex female connectors are used.

Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches

29

C79000-G8976-C186-03

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Siemens X-400 Transmission Rate, Transmission Mode, Transmission Medium, Transmission Range, Connectors