Panasonic Switch-M12PWR, Руководство по эксплуатации

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Fig. 3-2 Optical fiber cable connection example
Plugging an SFP module (optional) into an SFP extension port enables an
optical fiber connection. The SFP extension port shares the port with the
twisted pair port. The twisted pair port is enabled; however, the SFP
extension port is automatically enabled when a fiber optical link is
established.
Connect this Switching Hub's TX port to the RX port of the connected
device and this Switching Hub's RX port to the TX port of the connected
device.
1000BASE-SX: 500 m or shorter/1000BASE-LX: 10 km or shorter
100m or
shorter
100m or
shorter