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Many users will find that after the wireless router background, using the mobile phone for wireless network connection, but found that there are two WiFi signal names, a WiFi signal is the traditional 2.4G, another name will have a 5G logo, why will there be two signals?This is because the wirele...

What is an optical device, a BOSA The optical device BOSA is a part of the constituent optical module, which consists of devices such as transmission and reception. The optical transmission part is called TOSA, the optical reception part is called ROSA, and the two together are called BOSA. Its w...

Initial status (O1) The ONU in this status has just powered on and is still in LOS / LOF.Once a downstream is received, the LOS and LOF are eliminated, and the ONU moves to the standby status (O2). Standby status (O2) The ONU of this status has received the downstream, waiting to receive the netw...

Traditional telephone network is voice by circuit exchange, the required transmission broadband of 64kbit/s. The so-called VoIP is the IP packet exchange network as the transmission platform, the simulated voice signal compression, packaging and a series of special processing, so that it can use ...

The VLAN (Virtual Local Area Network) is named "Virtual LAN" in Chinese. VLAN divides a physical LAN into multiple logical LAN, and each VLAN is a broadcast domain.Hosts in VLAN can interact with messages through traditional Ethernet communication, while if hosts in diff...

PON network by OLT (generally in the room), ODN, ONU (generally in the user, or close to the user's corridor location) three parts, among them, the part between OLT to ONU of the line and equipment are passive, so called passive optical network (PON), also called optical...