The SFP optical transceiver is one of the most significant communication carriers for optical communication and data centers, and there are many different versions available today.
How can we choose an SFP optical transceiver that meets our needs among a plethora of manufacturers and types? The following is an overview of the SFP optical transceiver procurement process; what should we look out for?
Ⅰ. Determine the optical transceiver's rate
The SFP optical transceiver has speeds of 155M/622M/1.25G/2.125G/4.25G/8G/10G, with 155M and 1.25G being the most popular.
Ⅱ. Determine the optical transceiver's transmission distance
SFP optical transceiver transmission distance is 550m/10km/20KM/20KM/40KM/80KM/120KM, etc. You can select the SFP optical transceiver based on the scenario.
Ⅲ. Determine the wavelength limit or requirements for the optical transceiver
SFP optical transceivers can be used to satisfy a variety of wavelength needs. Generally, there is a label on the top, side, or bottom of the SFP optical transceiver that states the optical transceiver's information, making it easy to identify and select the correct optical transceiver.
Ⅳ. Determine the optical transceiver fiber interface
SFP optical transceivers come with a variety of interfaces, including LC, SC, and other fiber optic interfaces that can be utilized with many types of fiber optics.
Ⅴ. Determine the fiber mode of the optical transceiver
Multimode fibre optic cables come in 50/125m or 62.5/125m lengths and are used for short-distance transmissions of up to 2 kilometers, with the draw ring or body of the optical transceiver being black.
Long-distance transmission is carried out using single-mode fibres with 9-10/125um wires, which can reach distances of up to 200 km. When employing LD or LEDs with narrow spectral lines as the light source, the optical transceiver has a blue, yellow, or purple pull ring or body color.
The optical transceivers market refers to the industry involved in the manufacturing and sale of optical transceivers. Optical transceivers are electronic devices used in optical communication networks to transmit and receive data over fiber optic cables. They serve as the interface between the optical network and electronic devices, converting electrical signals into optical signals for transmission and vice versa. We have 400g optical module for sale.
Ⅵ. Optical transceiver interface type (single-fiber or dual-fibre)
As a company dealing with China optical transceiver, we are pleased to share with you that the single-fiber interface is a single-mode single-fiber transceiver that transmits and receives the optical signal through a single fibre, whereas the dual-fiber interface transmits and receives the optical signal independently, without interfering with one another.
Ⅶ. Determine if the optical transceiver is a wavelength division transceiver
The wavelength bands in the CWDM optical transceiver range from 1270nm to 1610nm, with each band 20nm apart.
The "coarse" and "dense" designations are due to the fact that CWDM optical channels are widely spread, CWDM optical modulation uses uncooled, electronically adjusted lasers, and the number of wavelengths multiplexed on the same fiber is less than DWDM.
Different channel spacings are available in the DWDM SFP optical transceiver, such as 0.4nm, 0.8nm, and 1.6nm. It has a narrower spacing depending on the demand, which necessitates the use of extra wavelength control devices and raises the cost.
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Equipment manufacturers of optical transceivers will encrypt their devices to varying degrees, also known as compatibility. transceivers of a particular brand can only be used with devices of the same brand, and cannot be matched with other brand optical transceivers. Compatibility manufacturers need to conduct different compatibility adaptations on the optical modules. Whether or not they can perfectly solve compatibility issues is particularly important.
