Overview Of Common Fiber Optic Devices

Posted on by FS.COM

1. Fiber Coupler

Fiber Optic Coupler, also called fiber optic adapter, is used for connecting and coupling of optical fiber connectors. According to the connection header of optical fiber connector to select model. The joint structure can be divided into: FC, SC, ST, LC, MTRJ, MPO, MU, SMA, DDI, DIN4, D4, E2000 forms, with good sintering technology to ensure excellent strength and stability (200 ~ 600gf insertion force).

Applications Of Fiber Optic Coupler

Fiber communication network
Broadband access network
Optical CATV
Optical instruments
LAN

2. Fiber Termination Box

Cable termination box, also known as optical fiber termination box or fiber termination box, is a connection device between several cores cables and termination equipments, mainly used to fix the cable termination, store and protect the remaining fiber optics, the splicing of fiber optic cable and fiber pigtail.

3. Fusion Splicer

Fusion splicer, the connection of two optical fiber cables, should joint the fiber inside the cable, because the fiber is just like glass, must re-fused special joint on the two ends, then the ends melt together, so that the light signal can be passed.

Light transmitting in fiber causes a loss, this loss is mainly composed of transmission loss of optical fiber itself and the splicing loss at optical fiber joints. Upon the order of optical cable, its own fiber optic transmission loss is also basically identified. The fiber joints splicing loss is determined by fiber optic itself and on-site construction. Efforts to reduce the optical fiber joints splice loss, can increase the transmission distance of optical fiber amplifier and improve the attenuation margin of fiber link.

4. Fiber Media Converter

Fiber optic media converter, is an Ethernet transmission media conversion unit to interchange the twisted-pair electrical signal of short distance and light signal of long distance.

Fiber converters are generally used in actual network environment where Ethernet cable can not cover and must use fiber optic to extend the transmission distance, the access layer application and usually located in metropolitan area networks; while it also plays a huge role in helping the fiber at the last kilometer connecting to the metro network and more outer layer network.

5. Fiber Optic Multiplexer

Fiber Optic Multiplexer is a fiber communication equipment to extend data transmission, it is mainly through the signal modulation, photoelectric conversion technology, using the optical transmission characteristics to achieve the purpose of remote transmission. Optical multiplexer generally used in pairs, divided into optical transmitter and optical receiver, optical transmitter completes the electrical/light switching, and optical signal is sent for optical fiber transmission; optical receiver mainly converts the light signals from the fiber receiver back into electrical signals, completing the light/electricity conversion. Optical multiplexer is used for remote data transmission.

Optical multiplexers are divided into many types, such as telephone optical multiplexer, Video Multiplexer, Video Audio Multiplexer, Video Data Multiplexer, video Audio Data Multiplexer and so on. And commonly used is Video Multiplexer (especially widely used in security industry).

Optical multiplexer is the terminal equipment of light signal transmission. Its principle is: a photoelectric conversion transmission equipment; put at both ends of the optical cable; one transmitter and receiver, just as its name implies multiplexer. So optical transmitter and receiver are used in pairs, usually buy optical multiplexer is said to buy a few pairs, instead of several.

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