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Work out a Solution for GPON Application Scenarios

Work out a Solution for GPON Application Scenarios

In the case of FTTH networking, PON technology has been unable to meet 100M broadband, 1G broadband, or even larger bandwidth.

However, new 10G PON application scenarios are very necessary: new Gigabit cells, LAN port speed increase, campus network, etc.

Therefore, your team needs to come up with practical solutions to solve this problem and deal with new scene requirements.

Under normal circumstances (currently the mainstream support rate), the GPON network can basically provide the following Asynchronous transfer rate:

  • 0.15552 Gbit/s up, 1.24416 Gbit/s down
  • 0.62208 Gbit/s up, 1.24416 Gbit/s down
  • 1.24416 Gbit/s upstream, 1.24416 Gbit/s downstream
  • 0.15552 Gbit/s upstream, 2.48832 Gbit/s downstream
  • 0.62208 Gbit/s up, 2.48832 Gbit/s down
  • At 1.24416 Gbit/s, at 2.48832 Gbit/s (
  • 2.48832 Gbit/s upstream, 2.48832 Gbit/s downstream
  • The maximum logical distance supported is: 60km
  • The maximum physical distance supported is: 20km
  • The maximum distance difference supported is: 20km
  • The splitting ratio is 1:64, which can be upgraded to1:128

Asynchronous transfer rate

 

The application scenarios of the equipment mainly have the following five types

  • SFU (Single Household Unit) ONU

Mainly used for single home users, only supporting broadband access terminal functions, with 1 or 4 Ethernet interfaces, providing Ethernet/IP services, supporting VoIP services (built-in IAD) or CATV services, mainly used in FTTH occasions ( Can be used in conjunction with the home gateway to provide stronger business capabilities).

  • HGU (Home Gateway Unit) ONU

Mainly used for single home users, with home gateway function, equivalent to a home gateway with EPON/GPON uplink interface, with 4 Ethernet interfaces, 1 WLAN interface and at least 1 USB interface, providing Ethernet/IP services, Can support VoIP business (built-in IAD) or CATV business, support TR-069 remote management. Mainly used in FTTH occasions.

  • MDU (Multi-Dwelling Unit) ONU

Mainly used for multiple residential users, with broadband access terminal function, with at least 8 user-side interfaces (including Ethernet interface, ADSL2+ interface or VDSL2 interface), provide Ethernet/IP services, and support VoIP services (built-in IAD) Or CATV business, mainly used in FTTB/FTTC/FTTCab occasions.

  • SBU (Single Merchant Unit) ONU

Mainly used for individual enterprise users and a single office in the enterprise, support broadband access terminal function, have Ethernet interface and E1 interface, provide Ethernet/IP service and TDM service, and optionally support VoIP service. Mainly used in FTTO occasions.

  • MTU (multi-merchant unit) type ONU

 

GPON network reference

  1. ONU Optical Network Unit
  2. ONT Optical Network Terminal
  3. ODN Optical Distribution Network
  4. OLT Optical Line Terminal
  5. WDM Wavelength Division Multiplex Module
  6. NE Network Element
  7. SNI Service Node Interface
  8. UNI User Network Interface

 

 

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FTTH / FTTX
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