The optical characteristics of optical connectors mainly include insertion loss and return loss. Select connector specifications for each node based on the optical characteristics of the link to ensure that the link loss meets the receiving sensitivity requirements of the optical module.
1. Selection elements for din 41612 type f connectors manufacturer
1. Application scenario
Determine the type of optical connector based on the application scenario, such as indoor, outdoor, or special customization.
Indoor optical connectors are used in non-exposed situations, and the connector is small in size and suitable for dense layout, but its environmental resistance is relatively poor.
Outdoor optical fiber connectors are used in outdoor environments, such as rain, snow, wind, sand, direct sunlight and other harsh environments.
Custom optical connectors are used for extremely special occasions, such as radiation resistance, deep sea sealing, nuclear explosion resistance, etc.
2. Classify by function
Determine the optical connector type based on the functions of the optical connector, such as device panel installation, backplane blind insertion, module panel installation, and optical rotary connector.
3. Measurement of optical properties
The optical characteristics of optical connectors mainly include insertion loss and return loss. Select connector specifications for each node based on the optical characteristics of the link to ensure that the link loss meets the receiving sensitivity requirements of the optical module.
4. Determine the number of optical channels.
Typically, optical transmission requires two channels, one for receiving and one for transmitting. In special applications, if a single-fiber bidirectional optical module is used, single-channel transceiver can be realized. Determine the number of optical connectors and nodes based on the number of channels at the optical link connector location.
5. Connect optical fibers.
When selecting the cable, the corresponding diameter should be selected according to the bending radius, the mode (single mode or multi-mode) and the wavelength (common multi-mode 850nm, single mode 1310nm and 1550nm). The tensile strength, compressive strength, mildew resistance and water resistance of the cable should be selected according to the application environment.
Ii. Precautions
1. Optical connectors are usually ordered together with optical cables, and the cable type and connector at the other end should be selected.
2. The optical connector is more sensitive to dirt, and the outdoor optical connector with better sealing performance should be selected when the environment is harsh.
3. The choice of optical connector should consider the operating space, and the spacing between the two connectors should leave a safe position for manual operation; In addition to the bending radius of the connector, the space occupied when the connector is rotated out axially should also be considered.
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