310mm XFP module features
2017-09-06
1310 XFP module is the wavelength of 1310mm optical module, common 1310 optical module has Cisco's GLC-LH-SM, Huawei's SFP-GE-LX-SM.
GLC-LH-SM: SFP fiber module, Gigabit Ethernet SFP, LC connector, LX / LH transceiver
SFP-GE-LX-SM: optical module, SFP-GE-single module (1310nm), interface type: LC, transmission distance: 10km.
Basic parameters: 1310 optical module for the single-mode, the general transmission distance of 10km, 15km, 20km; for easy to distinguish, commonly used shell pull ring for the blue. There are single-fiber bi-directional, double-fiber two-way and other types

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Optical fiber communication system and other communication system distinction In principle, only the carrier frequency is different, the frequency of optical carrier in the order of IOOTHz, while the microwave carrier frequency range of 1 ~ 10GHz, due to optical carrier frequency and microwave frequency difference , Optical communication information capacity can be 10,000 times higher than the microwave system, can reach 10Tbps magnitude, it is because the optical communication system has such a huge bandwidth potential, it makes people continue to research and development of optical communication systems. Figure 1.2 shows a schematic diagram of an optical communication system consisting of three parts: an optical transmitter, a communication channel and a light receiver. These three parts are also an integral part of all communication systems. Optical fiber communication system uses optical fiber as the communication channel. In principle, fiber communication can be used between any two places where information is required, but the main reason for the development of optical fiber communication is its application in the field of telecommunications. Optical communications telecommunications applications can be divided into two categories, namely, long distance and short distance communication. 1310 optical module in the long-distance communication system, the trunk requires a high capacity, optical fiber communication system just to meet this requirement, in fact, the development of optical fiber communication, but also benefit from the long-distance communication applications. Compared with the coaxial cable system, the improvement of the relay distance and the speed of the code speed makes the optical fiber communication in the long-distance application has a special attraction, especially after the use of optical amplifiers, can make the photoelectric conversion relay distance greatly increased. Optical communication structure Short-distance communication applications include metro networks and local area network systems, which typically have a lower speed and a transmission distance of less than 10 km. In this application, the use of single-channel light wave system in the form of uneconomical, should be used multi-channel and a variety of services.

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