Knowledge

Routes are classified into three types: static route, dynamic route, and direct route. In the method of manual input static routing, in order to solve the routing problem of the entire ip world, it is very weak in reality. So, the experts thought of letting the router from the home, tell the near...

VPN is a remote access technology, which simply means using a public network link (usually the Internet) to set up a private network. For example, one day the boss sends you on a business trip to a place where you want to access the internal network of the unit, this access is a remote access. Ho...

Multiprotocol Label Switching (MPLS) is a new IP backbone network technology. MPLS introduces the connection-oriented label switching concept on connectionless IP networks, and combines Layer-3 routing technology with Layer-2 switching technology, giving full play to the flexibility of IP routing...

Optical access network (that is, the access network with light as the transmission medium, instead of copper wire, is used to access each family. Optical access network).Optical access network generally consists of three parts: optical line terminal OLT, optical network unit ONU, optical distribu...

What is ONU? Today, ONU is actually very common in our lives. The network connection provided by the operator installed in everyone’s home is called Optical Modem, also known as ONU device. The network of the operator is connected to the optical device, and then connected to the PON port of...

When we choose an optical module, in addition to the basic packaging, transmission distance, and transmission rate, we should also pay attention to the following factors: 1. Fiber type Fiber types can be divided into single-mode and multi-mode. The center wavelengths of single-mode optical modu...