HG8245C FTTH optical network terminal (ONT) is a indoor optical network terminal in Huawei FTTx solution. By using GPON technology, ultra-broadband access is provided for home and SOHO users. It is used with Huawei optical line terminal. The convergence and high-density features of Huawei OLT can help operators effectively simplify network architecture, reduce network nodes, reduce station sites, computer rooms and other supporting facilities, reduce equipment investment and operation and maintenance costs, and improve network deployment efficiency; at the same time, PON/10G PON/GE/10GE common platform can realize smooth network evolution and protect investment; OLT’s full service access realizes unified access of individuals, enterprises, and base stations, reducing network construction costs, enriching user service experience, and enhancing service stickiness. Increase ARPU value.
Specification of HG8245C
NNI
GPON
Optical interface
SC/UPC interface Class B+
UNI
1GE+3FE+WiFi+2USB
WiFi standard
2 x 2 MIMO 802.11b/g/n
Antenna gain
2dBi
Dimensions(W x D x H)
156mm×125mm×30mm(Without external antenna)
Power supply
Power supply: 11-14V DC, 1A; Input power: 150V~264V AC,50/60Hz
Operating temperature and operating humidity
0°C-+40°C; 5%-95%, non-condensing
Cooling
Passive cooling
Maximum number of MAC addresses learned
1024
L2 forwarding capability
2 Gbit/s downstream (with any length packets); 1 Gbit/s upstream (with any length packets)
IPv4 L3 forwarding capability
2 Gbit/s downstream (with any length packets); 1 Gbit/s upstream (with any length packets)
IPv6 L3 forwarding capability
500 Mbit/s (V300R013C00 to V300R015C00); 2 Gbit/s (V300R015C10 and later)
What is an ONU?
ONU, also known as an Optical Line Terminal, is one of the essential devices required for internet connectivity. Its function is to convert optical signals from optical fibers into digital signals. This conversion is necessary because devices such as PCs and smartphones cannot directly process optical signals. Conversely, digital signals sent from devices like PCs and smartphones need to be converted by the ONU into optical signals before being transmitted to the internet. Typically, the ONU is leased from a contracted line operator.
How does an ONU work?
On the network side, the ONU receives data from the Optical Line Terminal (OLT) via a Passive Optical Network (PON) and delivers it to end-user devices. On the user side, it converts optical signals into electrical signals and vice versa, enabling bidirectional communication. It also performs signal processing, maintenance, and management functions to ensure a reliable and stable connection.
Features of ONU
To better understand its functions, here are the key features of an ONU:
Triple Play Services: Supports data, IPTV, and VoIP services, catering to the needs of both residential and commercial users.
Bidirectional Data Transmission: Receives broadcast data from the OLT while sending back user-generated data through assigned transmission windows.
Ethernet Data Buffering: Temporarily stores Ethernet data before transmitting it to the OLT, optimizing data flow.
Remote Management via OAM: Enables remote Operation, Administration, and Maintenance (OAM), allowing service providers to monitor and configure ONUs efficiently.
Security and Quality of Service (QoS): Many ONUs offer enhanced security features and Quality of Service (QoS) support, ensuring reliable performance for different applications.
Applications of ONU
RF/CATV Port: Used for connecting to cable television.
Power Interface: Provides power connectivity.
USB Port: Typically a USB 2.0 interface.
LAN Port: Supports FE (10/100BASE-T) or GE (10/100/1000BASE-T) options.
Telephone Port: Also known as POT, VoIP, Voice, or FXS port.
Optical Port: Connects to the Optical Distribution Network (ODN).