HG8247H5 FTTH provides four GE ports, one POTS ports, one CATV port, one USB port, and supports 2.4G Wi-Fi. The ONT features high-performance forwarding capabilities to ensure an excellent experience with VoIP, Internet, and HD video services. These features make the EG8247H5 a perfect option for broadband access.
Specification of HG8247H5
Dimensions(HxWxD)
(220x160x32mm(without an external antenna)
Weight
about 1000g
Operating temperature
0°C to +40°C
Operating humidity
5%RH to 95%RH (non-condensing)
Power adapter input
100-240VAC,50-60Hz
System power supply
11-13V DC,2A
Static power consumption
7.5W
Maximum power consumption
18W
Ports
2POTS+4GE+CATV+Wi-Fi+USB
Indicators
POWER/PON/LOS/LAN/TEL/USB/WLAN/WPS/CATV
Interface Parameters
GPON Port
Class B+
Receiver sensitivity:-27dBmWavelengths: US 1310nm, DS 1490nm.WBF
Flexible mapping between GEM Port and TCONT.GPON: consistent with the SN or passwordauthentication defined in G.984.3
Bi-directional FEC
SR-DBA and NSR-DBA
Ethernet Port
Ethernet port-based VLAN tags and tag removal
1:1 VLAN, N:1 VLAN, or VLAN transparenttransmission
QinQ VLAN
Limit on the number of learned MAC addresses.
MAC address learning
CATV Port
Bandwidth 54-870 MHz
Output resistance 75 ohms
POTS Port
Maximum REN:4
G.711Ay,G.729a/b, and G.722 encoding/decoding
T.30/T.38/G.711 fax mode
DTMF
Emergency calls (with the SlP protocol)
USB Port
USB2.0
FTP-based network storage
WLAN
IEEE 802.11 b/g/n
2 x2 MIMO
Antenna gain: 2 dBi-VVMMM
Multiple SSlDs
WPS
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).