AN-STM1/SM is an interface converter for STM-1 electrical and optical interface conversion. It is designed for the SDH equipment coaxial interface and optical interface interconnect, as well as the ATM 155.520 Mbps interface and SDH device interconnection.

AN-E3 is an interface converter for E3 electrical and optical interface conversion. It is designed for the PDH equipment coaxial interface and optical interface interconnect.

AN-DS3 modem / converter / extender can be used to provide 44.736M (T3) signal conversion between electrical interface and optical interface of DS3 / T3 based network interface. It conforms to the ITU- T G.703 T3 recommendation.  The converter features compactness, light weight, low power consumption and high reliability.