1000BASE SFP transceivers have been widely used in 1G/10G/40G Ethernet, telecommunication and other applications. They provide a full range of 1000BASE SFP transceivers types to meet the different requirement for varied transmission distance based on singlemode or multimode fiber. They can be interfaced with different connectors, such as LC, SC, ST, FC, etc. 1000BASE-SX SFP and 1000BASE-LX SFP transceivers are two different types of 1000BASE SFP LC transceivers. In this article, SFP LC transceiver, SFP LC Vs. SC, and SFP LC SX Vs. LX transceiver would be covered.

SFP LC transceiver means 1000BASE SFP transceiver with LC connectors, which includes 1000BASE-SX SFP, 1000BASE-MX SFP, 1000BASE-LX SFP, 1000BASE-EX SFP, 1000BASE-ZX SFP, 1000BASE-EZX SFP, 1000BASE-BX SFP and CWDM/DWDM SFP transceiver modules. Different protocols have varied requirement for transmission medium, operation temperature, supporting DOM or not, and etc. 1000BASE-SX SFP is designed for transmission within near area, while SFP LC LX transceiver for long-haul transmission.
SFP LC LX transceiver is specified in IEEE 802.3 Clause 38 to implement Gigabit Ethernet networks. SFP LC LX transceiver uses with long-wavelength transmissions (1270-1355nm) over long cable runs of fiber optic cabling. This SFP LC module can run over both singlemode fiber and multimode fiber with a distance of up to 5km and 550m, respectively. And the SFP LC port can be used to connect switch with 1G SFP port and fiber patch cable with LC connector. 1000BASE-LX SFP LC transceiver mainly deployed for connecting high-speed hubs, Ethernet switches, and routers together in different wiring closets or buildings using long cabling runs, and developed to support longer-length multimode building fiber backbones and single-mode campus backbones.
1000BASE-SX SFP LC transceiver is for multimode fiber cables for less than 550 meters. The SFP LC LX transceiver is for singlemode fiber cables up to 10km, and it also supports the multimode. 1000BASE-SX SFP LC transceiver standard was developed to support lower cost multimode fiber runs in horizontal and shorter-length backbone applications. The SFP LC LX transceiver standard was developed to support longer-length multimode building fiber backbones and singlemode campus backbones. SFP LC LX transceiver costs more than 1000BASE-SX SFP LC transceiver.
本文详细介绍了1000BASE SFP透传器的不同类型及其应用,包括使用LC连接器的1000BASE-SX SFP和1000BASE-LX SFP透传器。这两种透传器分别适用于多模光纤短距离传输和单模光纤长距离传输。文章还对比了LC与SC连接器的区别,以及不同透传器之间的主要差异。
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