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Combo PON Has Become the Primary Solution for 10G GPON Construction

Combo PON Has Become the Primary Solution for 10G GPON Construction

  • Time of issue:2022/09/13

(Summary description)At present, more than 40 operators worldwide have carried out 10G-GPON deployment and upgrade to meet the requirements of the gigabit user markets. In the Chinese market, optical broadband access development has entered the Gigabit era. Combo PON is the mainstream large-scale commercial deployment solution for the upgrade of GPON to 10G GPON.

Combo PON Has Become the Primary Solution for 10G GPON Construction

(Summary description)At present, more than 40 operators worldwide have carried out 10G-GPON deployment and upgrade to meet the requirements of the gigabit user markets. In the Chinese market, optical broadband access development has entered the Gigabit era. Combo PON is the mainstream large-scale commercial deployment solution for the upgrade of GPON to 10G GPON.

  • Categories:Tech Support
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  • Time of issue:2022-09-13 17:02
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At present, more than 40 operators worldwide have carried out 10G-GPON deployment and upgrade to meet the requirements of the gigabit user markets. In the Chinese market, optical broadband access development has entered the Gigabit era. Combo PON is the mainstream large-scale commercial deployment solution for the upgrade of GPON to 10G GPON.

 

Combo PON Technical Implementation

 

The Combo PON solution integrating XGS-PON, XG-PON and GPON is a built-in optical multiplexing scheme that supports the coexistence of XGS-PON, XG-PON and GPON ONUs. Also called "three-rate Combo PON", the solution is recognized in the industry as the best path for smooth upgrade from GPON to XGS-PON.

 

Because XGS-PON and GPON use different wavelengths, three-rate Combo PON multiplexes the two types of wavelengths in an optical module, thereby achieving separate transmission and reception of GPON and XGS-PON signals. The three-rate Combo PON optical module has an embedded multiplexer, called the WDM1r, to combine and divide the four upstream and downstream wavelengths needed by XGS-PON and GPON. XGS-PON uses the 1270 nm upstream wavelength and 1577 nm downstream wavelength, while GPON uses the 1310 nm upstream wavelength and 1490 nm downstream wavelength. The three-rate Combo PON optical module implements the transmission of four wavelengths over a single fiber. Meanwhile, because XGS-PON and XG-PON use the same wavelengths, XGS-PON is naturally compatible with XG-PON ONUs, which results in the coexistence of XGS-PON, XG-PON and GPON.

 

Combo PON Solution

 

Combo PON solution is a solution to support the development of big video, service clouding, etc., using Combo PON technology to achieve smooth upgrade from GPON to 10G GPON and convenient gigabit speedup. Improve the quality of optical broadband, ensure business competitiveness and maximize value.

 

Solution Highlights:

 

Smooth evolution: Combo PON technology realizes two-in-one GPON and XG(S)-PON ports, and three-in-one GPON, XG(S)-PON and WDM1r optical modules, realizing smooth evolution of GPON to 10G GPON and gigabit speedup.

 

Innovative technology: Combo PON solution with uplink WDM and dual channels. High uplink bandwidth, simpler planning and management; standardization of technology and optical modules, better compatibility and interoperability.

 

Smooth engineering: only OLT equipment transformation, "0" change in server room space, ODN, optical power budget, etc.

 

Smooth operation and maintenance: simple OSS docking, no change in opening process, fast cutover and online.

 

Resource revitalization: the original GPON board can be recycled to maximize investment value.

 

Future Evolution and Prospect of Combo PON

 

It is widely believed in the industry that networks will evolve towards ultra-high bandwidth, ultra-low latency, and massive connection. How to simply and efficiently upgrade system capacity and reduce transmission latency has become a hot research topic in the PON arena. The next-generation Combo PON technologies following 10G PON will develop in two directions: one is to increase the single-wavelength rate to meet the deployment requirements of future wired broadband, and the other is to use multi-wavelength superposition to meet the deployment requirements such as future 5G fronthaul.

 

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