Optical switches play an important role in data storage networks

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Update time : 2022-01-12 16:23:01

Optical switches play an important role in data storage networks

 

 With the development of the network, network equipment such as switches, routers, and telephone optical transceivers have appeared successively. Today, we are talking about what fiber optic switches are.

 

What is the role of fiber optic switches? In data storage networks, fiber optic switches play an important role.

 

Introduction to Fiber Switches

 

Fiber switch, FC Switch, also known as fiber channel switch, SAN switch. Fiber optic switch is a high-speed network transmission relay device. Compared with ordinary switches, fiber optic cable is used as the transmission medium. The advantages of optical fiber transmission are fast speed and strong anti-interference ability.

 

There are two main types of optical switches, one is the FC switch used to connect storage. The other is an Ethernet switch, and the port is an optical fiber interface, which is the same as the ordinary electrical interface, but the interface type is different.

 

The role of fiber optic switches

 

The fiber optic Ethernet switch is a high-performance managed Layer 2 fiber optic Ethernet access switch. Users can choose all-optical port configuration or optical port configuration, and the access fiber media can choose single-mode fiber or multi-mode fiber. The switch can support network remote management and local management at the same time to realize the monitoring of the working status of the port and the setting of the switch.

 

The optical fiber port is especially suitable for the information point access distance beyond the five-category line access distance, the need for anti-electromagnetic interference and the need for communication confidentiality. The applicable fields include: residential FTTH broadband access network; enterprise high-speed optical fiber LAN; high-reliability industrial distribution Control system (DCS); optical fiber digital video surveillance network; hospital high-speed optical fiber local area network; campus network.

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What is the difference between a fiber optic transceiver and an optical transceiver? What is the difference between a fiber optic transceiver and an optical transceiver?
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The same thing: photoelectric conversion is required.
The difference: the transceiver only performs photoelectric conversion, does not change the code, and does not perform other processing on the data. The transceiver is for Ethernet and runs the 802.3 protocol, which is only used for point-to-point connections.
In addition to the work of photoelectric conversion, optical transceivers also need to multiplex and demultiplex data signals.
Usually optical transceivers come out to E1 lines, SDH, PDH optical transceivers are mainly used by telecom operators to provide multi-point-to-point data circuits;
Video optical transceivers are mainly used in security monitoring, distance education, video conferences and other fields that require timely video transmission. At the same time, they can transmit control, switching, language, Ethernet and other signals to meet the needs of multi-service applications, so we sometimes also It is called an integrated optical transceiver.
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