With an increasing demand for higher rate of network transmission in various applications, such as data warehouse, video conference, and three-dimensional image animation, Gigabit Ethernet technology has developed rapidly in the past decades. In computer networking, Gigabit Ethernet (1 GigE), namely 1000Base is a term describing various technologies for transmitting Ethernet frames at a rate of a gigabit per second (1,000,000,000 bits per second), as defined by the IEEE 802.3-2008 standard. It came into use in 1999, gradually supplanted Fast Ethernet in wired local networks. Similar to Fast Ethernet, Gigabit Ethernet retains all the features of 10M Ethernet (the same data frame structure, media access control method, and networking techniques), but achieves a higher data transfer rate. At the same time, a series of SFP transceivers applied for Gigabit Ethernet emerged and widely used in the market. 1000Base SFP transceiver is a hot-swappable input/output device that plugs into a Gigabit Ethernet port/slot, linking the port with the fiber optic network. It can be intermixed in combinations of IEEE 802.3z- compliant 1000Base-SX, 1000Base-LX/LH, or 1000Base-ZX interfaces on a port-by-port basis. Here are the most common types of 1000Base SFP transceiver modules.
1000BASE-SX SFP Transceiver
SX stands for short wavelength. 1000BASE-SX is a physical layer specification for Gigabit Ethernet over fiber optic cabling as defined in 802.3z. SFP-1G85-5M-xx 1000BASE-SX SFP transceiver is a cost effective transceiver module with a wavelength of 850 nm which supports dual data-rate of 1.25 Gbps/1.0625 Gbps. It is compatible with the IEEE 802.3z 1000BASE-SX standard and operates multi-mode fibers link up to 550 m. This transceiver module consists of three sections: a VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. It is often applied for Fibre Channel links, Gigabit Ethernet links, Fast Ethernet links, etc.
1000BASE-LX SFP Transceiver
LX stands for long wavelength. 1000BASE-LX is also a physical layer specification for Gigabit Ethernet over fiber optic cabling as defined in 802.3z. 1000BASE-LX SFP transceiver uses long wavelength laser (1310 nm) over multi-mode and single mode fiber. It is compatible with the IEEE 802.3z 1000BASE-LX standard and also supports dual data-rate of 1.25 Gbps/1.0625 Gbps with a transmission distance of 10/15/20 km. The 1000BASE-LX SFP transceiver works together with duplex LC/PC connector. The transceiver consists of three sections: a Fabry-Perot laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. It is commonly applied for Gigabit Ethernet links, Fibre Channel Switch Infrastructure and other optical transmission systems.
1000Base-ZX SFP Transceiver
1000BASE-ZX is a non-standard but multi-vendor term to refer to Gigabit Ethernet transmission. 1000Base-ZX SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps and 70km transmission distance with single mode fiber. They operate with a wavelength of 1550 nm to achieve distances of at least 70 km. Fiberstore's 1000Base-ZX SFP transceivers have three types of part numbers: SFP-1G85-5M, SFP-1G31-10 and SFP-1G55-70.
1000BASE-T SFP Transceiver
1000BASE-T (also known as IEEE 802.3ab) is a standard for Gigabit Ethernet over copper wiring. 1000BASE-T SFP transceiver module is based on the SFP Multi Source Agreement (MSA). It is compliant with the Gigabit Ethernet and 1000BASE-T standards as specified in IEEE STD 802.3 and 802.3ab. It supports data rates of 1000 Mbps, fully accommodating 1000BASE-T applications such as LAN 1000Base-T Fibre Channel links, Gigabit Ethernet over Cat5 cable, switch to switch interface, router/server interface, etc.
Fiberstore is a professional manufacturer and supplier for optical fiber products and provides various kinds of 1000Base SFP transceivers branded by many famous companies. For example, Cisco SFP transceivers offered by Fiberstore are the most cost-effective standards-based SFP modules fully compatible with Cisco switches & routers. They are 100% compatible with major brands and backed by a lifetime warranty.
Originally published at http://www.sfp-transceiver-modules.com/wiki_list
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