Features   It supports comprehensive access to wireless fronthaul and other services, taking into account wireless fronthaul, private line, and home broadband services, and maximizes the value of fronthaul networks； Maximize optical fiber saving, one fiber can carry 9 channels of 4G & 5G fronthaul CPRI/eCPRI services； The local side is active and the remote end is passive, and WDM technology is used to extend the physical channel of pure transparent transmission, without delay and jitter introduction； It supports the monitoring function of the luminous power of each channel, which is easy to maintain and locate faults； It supports 1:1 protection at the optical layer, and the protection switching time is less than 20 ms, improving network reliability； The optical-layer protection function card can be selected according to the application scenario, and supports hot-swap and power-off/power-on-hold functions to ensure that the device does not affect service operation in the event of a power-off； It supports SNMP, Web and other graphical interface network management； Local end equipment active supports AC 220V, DC -48V power supply optional, and 1+1 power input protection； The installation method is flexible, the central office equipment supports rack-mounted installation and wall-mounted installation, and the remote equipment supports rack-mounted, pole-mounted and wall-mounted installation, which is easy to install and plug-and-play； The remote outdoor device meets the requirements of the IP67 standard and supports pole and wall mounting.