The customized functional modules provided by Accelink are based on rich in house optical components such as VOA, OSW, tap PD, WDM and other passive product. Leveraging these ultra compact optical components, excellent optical design and unique mechnical design, Accelink custmoized functional modules can meet the functional and mechnical requirements of different customers with highly integration, excellent performance and cost effective. It also provide flexible design on hardware interfaces such as RS-232, I2C, and so on and custmoized software interface according to customer's requirements.