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Richerlink > News > Company News > Introduction to the five main types of ONU device

Introduction to the five main types of ONU device

SFU (Single Family Unit) type ONU device

Mainly used by individual home users, which only supports broadband access terminal function, the device has 1 or 4 Ethernet interfaces, providing Ethernet/IP services,supporting VoIP service (built-in IAD) or CATV service. It mainly used in FTTH occasions ( also can be used with a home gateway to provide greater business capabilities).

According to the difference between the service type and the number of ports of the ONU, there are three specific forms of the SFU-type ONU shown in Table 1.

Table 1: SFU ONU device specific form

NO. Ethernet  POTS CATV RF
SFU-1 1 (GE or FE) 0 Optional
SFU-2 4 (FE) 0 Optional
SFU-3 4 (FE) 2 Optional

 

HGU (Home Gateway Unit) ONU device

This mainly used for individual home users, with home gateway function, equivalent to home gateway with EPON uplink interface, with 4 Ethernet interfaces, 1 WLAN interface and at least 1 USB interface, providing Ethernet/IP services, which can support VoIP or CATV service and TR-069 remote management. The device mainly used in FTTH solutions.
According to the difference between the service type and the number of ports of the ONU, there are two specific forms of the HGU-type ONU shown in Table 2.

Table 2: HGU ONU device specific form

NO. Ethernet  POTS  WLAN USB CATV RF
HGU-1 4 (FE) 0 1 1 Optional
HGU-2 4 (FE) 2 1 1 Optional

 

MDU (Multi-Dwelling Unit) ONU device

This device mainly used for multiple residential users, with broadband access terminal function, multiple (at least 8) user-side interfaces (including Ethernet interface, ADSL2+ interface or VDSL2 interface), providing Ethernet/IP services and supporting VoIP services (built-in IAD) or CATV service, which mainly used in FTTB/FTTC/FTTCab.
According to the difference in service types and port numbers of the ONU, the form of the MDU-type ONU is shown in Table 3.

Table 3: MDU ONU device specific form

NO. Ethernet ADSL2+ VDSL2 POTS CATV RF
MDU-1 8/16/24/32(FE) 0 0 0 Optional
MDU-2 8/16/24/32(FE) 0 0 8/16/24/32/48 Optional
MDU-3 0 16/24/32/48/64 0 24/32/48/64 0
MDU-4 0 0 12/16/24/32 24/32/48/64 0

 

SBU (Single Business Unit) ONU device

The device mainly used for multiple enterprise users or individual users in the same area, with broadband access terminal function, multiple Ethernet interfaces (at least 8), E1 interface and POTS interface, providing Ethernet/IP services, TDM service and VoIP service (built-in IAD), which mainly used in FTTB/FTTBiz.
According to the difference between the service type and the number of ports of the ONU, there are two specific forms of the MTU-type ONU shown in Table 4.

Table 4: SBU ONU device specific form

NO. Ethernet E1 POTS
SBU-1 4 4 Optional

 

MTU (Multi-Tenant Unit) ONU device

The device mainly used for multiple enterprise users or individual users in the same area, with broadband access terminal function, multiple Ethernet interfaces (at least 8), E1 interface and POTS interface, providing Ethernet/IP services, TDM service and VoIP service (built-in IAD), which mainly used in FTTB/FTTBiz.
According to the difference between the service type and the number of ports of the ONU, there are two specific forms of the MTU-type ONU shown in Table 5.

Table 5: MTU ONU device specific form

NO. Ethernet E1 POTS
MTU-1 16(FE) 4/8 0
MTU-2 8/16(FE) 4/8 8/16

 

RicherLink ONU device

RL821GWV GPON ONU:

GPON ONU device

RL804GL GPON ONU:

GPON ONU device for FTTH

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