Optical access network, also known as “fiber subscriber loop.” It refers to a set of access connections that use optical transmission or partially share the same network side interface between the service node or the remote module and the user equipment. Basic composition of optical access network Optical access network (OAN) refers to the use […]

What is OLT What is OLT : optical line terminal, which is a terminal device used to connect fiber trunks. OLT functions 1. Broadcast Ethernet data to the ONU (Optical Network Unit) in broadcast mode; 2. Initiating and controlling the ranging process and recording the ranging information; 3. Allocate bandwidth for the ONU; that is, […]

SFU (Single Family Unit) type ONU device Mainly used by individual home users, which only supports broadband access terminal function, the device has 1 or 4 Ethernet interfaces, providing Ethernet/IP services,supporting VoIP service (built-in IAD) or CATV service. It mainly used in FTTH occasions ( also can be used with a home gateway to provide […]

Falling on the 15th day of the first lunar month, Lantern Festival is the first significant feast after Chinese New Year, so called because the most important activity during the night of the event is watching various wonderful Chinese lanterns. And because every household eats yuanxiao (a rice ball stuffed with different fillings) on that […]

Optical communication is a communication method in which light waves are used as carriers. Advantages of optical communication 1. Long transmission distance, economical and energy saving 2. Transfer huge amount of information at one time 3. Communication speed is fast Four technologies of optical communication 1.ASON ASON (Automatically Switched Optical Network) is a concept for […]