Functions of the TWC and RWC boards on BWG 320G

The TWC board is applied in DWDM optical terminals and optical regenerator devices, and is located at the transmit end. The RWC board is applied in DWDM optical terminals and optical regenerator devices, and is located at the receive end.
The functions of the TWC and RWC boards on BWS 320G are as follows:
1. The TWC boards convert optical signals sent from the SDH devices to the wavelengths required by the WDM system by O/E/O conversions. Different TWC boards convert optical signals of different wavelengths. 2. The RWC board transmits optical signals to the SDH devices. It chooses 1310 nm or 1550 nm based on the SDH wavelengths.

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