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4 Functions of GPON ONU/ GPON ONT That Customers Care About

GPON and EPON have been the two main common PON in recent years. GPON is well-known for its high bandwidth, transmission efficiency, portable design, and complete OAM function. But the cost is a bit high and the technology is complicated, which is more suitable for large companies. So there are also GPON to EPON converters on the market to help you out according to customers’ needs. GPON and EPON have been the two main common PON in recent years. GPON is well-known for its high bandwidth, transmission efficiency, portable design, and complete OAM function. But the cost is a bit high, and the technology is complicated, which is more suitable for large companies. So there are also GPON to EPON converters on the market to help you according to customers’ needs. A standard GPON network comprises an OLT (Optical Line Terminal), ONU (Optical Network Unit), and an optical splitter. GPON ONU, also called CPE units, is called upstream optical transmitter and multiple bridge amplifier network monitoring equipment. The consumer end equipment transmits optical signals to electrical signals in an FTTH. It boasts various interfaces and helps offer different services such as voices, data, and multimedia. It is designed to receive data from OLT and achieve layer two and layer three functions with OLT. GPON ONU can work under different environmental conditions. It is also an essential part of the GPON network. There are four functions of GPON ONU that customers care about:  

How does the ONU’s business WAN obtain IP?

ONU WAN obtains IP in three ways:
  • PPPOE dial-up Internet access
  • DHCP Internet access
  • static IP address Internet access
PPPOE is a popular point that requires an account and password, authenticates with the operator’s PPPOE server, and obtains an IP address to access the Internet after passing. DHCP requires no account and password. ONU automatically initiates a request to the operator’s DHCP server and can access the Internet only after obtaining an IP address. The static IP address is to set an IP address that can be accessed on the operator’s network on the WAN connection of the ONU, and this IP address will not change if it is set. GPON ONU  

The data transmission methods of Route and Bridge modes

In Route mode, the Internet access mode (such as PPPOE, DHCP) is configured on the ONU’s wan connection, and the user’s Internet access data is forwarded to the ONU at Layer 3. In Bridge mode, the Internet access mode (such as PPPOE, DHCP) is configured on the user’s PC, and the user’s Internet access data is forwarded to the ONU on the second layer. GPON ONU DATA TRANSMISSION  

GPON ONU with Wifi function

Wireless interfaces, also known as WLAN interfaces, can be classified into different types. 2.4G wireless interface supports 20MHz and 40MHz bandwidth. When the wifi bandwidth is 20MHz, the connection rate is 144Mbps, while when the bandwidth is 40MHz, the connection rate is 300Mbps. The wifi rate frequently consulted by customers generally refers to the connection rate at 20MHz/40MHz, and the maximum can reach 300Mbps. 5.8G wireless interface (5G wireless), following the IEEE 802.11ac protocol, some customers also call it AC wireless, providing 80MHz bandwidth and a supporting rate of 866Mbps. The highest wireless rate is related to the number of antennas supported by the wifi chip. And the gain of the antenna includes 3dBi, 5dBi, 7dBi, etc.  

GPON ONU local page management and remote management

Local page management on the browser works through the local ONU management address (generally, the default is 192.168.1.1), configures ONU wan connection, ONU PPPOE/DHCP/Ip static Internet configuration, VLAN configuration, and wifi configuration. Remote management can be divided into three methods: management through OLT, the TR069 server, and control remotely accessing the ONU management page. Management through OLT means you can issue commands to ONUs, create wan connections, PPPOE, wifi configurations, etc., through controls or network management systems, through management protocols OMCI/OAM. This method is a manufacturer’s remote command and generally can only be used to match the ONU of its brand. Management through the TR069 server means that the front-end needs to build a TR069 server and then manage the ONU through the TR069 protocol. You can configure functions such as wan connection, PPPOE, and Wifi.    
James Hsu

James Hsu

Hello, I'm James Hsu, a sales representative at Hello Signal. I specialize in Fiber Optic Cables, Fiber Optic Patch Cords, Pigtails, ONU/OLT and WDM. I can recommend the most suitable products at competitive prices, ensuring worry-free service. Feel free to contact me with any questions.

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