Description and Usage of 11SRAU board

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As a type of optical amplifier unit, the SRAU board integrates a backward Raman unit, an EDFA module and a VOA. Different from an EDFA, the SRAU board is used to improve system performance. It amplifies optical signals at the receive end.

Application of the SRAU board in a WDM system：

Basic function:

• Integrates a backward Raman unit and an EDFA unit and amplifies the input optical signals in C band. The total wavelengths range from 1529 nm to 1561 nm.

• Supports the system to transmit services over different fiber spans without electrical regeneration.

• Generates multi-channel pump light of high power, providing energy for the amplification of signals in the fiber.

• Supports the interlock switch. The interlock switch of a LINE port on the panel controls the power-on and power-off of the board and prevents eyes from being injured by laser when an optical fiber is inserted into or removed from the LINE port.

• Has a built-in VOA module to adjust optical power.

Compared with the traditional OAU and OBU, it has more Raman amplifier modules and OTDR modules.

If the optical power cannot be queried, check whether the physical and logical fiber connections of the NE are correct and whether the laser is enabled.

For more details on this board, click the following link:

SRAU

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