What is XGS-PON and how does XGS-PON coexist with GPON and XG-PON?

2024-01-12
View:3549

XGS-PON is a symmetric 10G PON technology, which is the technical evolution of GPON and XG-PON.XGS-PON can share the same optical distribution network (ODN) with GPON and XG-PON, and supports the mixed access of three types of ONUs.XGS-PON's coexistence scheme mainly relies on the Combo Optical Module and the wavelength division multiplexing (WDM) technology to realize the separation and multiplexing of optical signals of different wavelengths and rates. technology, which realizes the separation and multiplexing of optical signals of different wavelengths and rates.


Difference between XG-PON and XGS-PON

XG-PON and XGS-PON are both 10G PONs. The main difference is that XG-PON is an asymmetric PON, with the uplink/downlink rate of PON port being 2.5G/10G, while XGS-PON is a symmetric PON, with the uplink/downlink rate of PON port being 10G/10G. XGS-PON is a technological evolution of GPON and XG-PON, and it supports the technology of GPON, XG-PON, XGS-PON, and XGS-PON, as well as the technology of GPON, XG-PON, and XGS-PON. XGS-PON is the technological evolution of GPON and XG-PON, supporting mixed access of three types of ONUs: GPON, XG-PON and XGS-PON. XGS-PON adopts Combo solution to share ODN with GPON, and the Combo optical module of XGS-PON integrates GPON optical module, XGS-PON optical module and WDM combiner.


What are the advantages of XGS-PON?


GPON has several advantages over XG-PON:


- Provides higher uplink bandwidth to meet the needs of services such as live broadcasting and video surveillance.


- Supports uplink/downlink symmetrical circuits for collector leased lines, improving the quality of service for enterprise users.


- Shares the same Optical Distribution Network (ODN) with GPON and XG-PON and supports mixed access of three types of ONUs, reducing the cost of network construction and operation and maintenance.


- Easily upgraded to support higher speeds, ready for future network development.



What are the disadvantages of XGS-PON?


- Higher Cost: XGS-PON is more expensive to implement than GPON and XG-PON because of the need for new optical components and higher speed optical modules.


- Compatibility: XGS-PON is not compatible with GPON equipment and requires the use of Combo solutions and WDM technology to achieve coexistence with GPON. This increases the complexity of the network and the difficulty of operation and maintenance.


- Security: XGS-PON is more vulnerable to security attacks than GPON and XG-PON. This is because XGS-PON uses a higher rate wavelength, which makes it easier for attackers to intercept and eavesdrop on traffic.



What other types of PON technologies are available? In addition to XGS-PON, there are several other types of PON technologies, the main ones being the following:


- EPON: Ethernet Passive Optical Network, a PON technology based on the IEEE 802.3ah standard, which uses a symmetrical rate of 1.25Gbps, supports access to up to 32 ONUs, and operates at 1310nm and 1490nm wavelengths.


- GPON: Gigabit Passive Optical Network, a PON technology based on the ITU-T G.984 standard, which uses a downlink rate of 2.5Gbps and an uplink rate of 1.25Gbps, supports access to up to 128 ONUs, and operates at 1310nm and 1490nm wavelengths.


- 10G-EPON: 10G Ethernet Passive Optical Network, a PON technology based on the IEEE 802.3av standard, which uses a symmetric or asymmetric rate of 10Gbps, supports access for up to 32 ONUs, and operates at 1270nm and 1577nm wavelengths.


- XG-PON: 10G Gigabit Passive Optical Network, a PON technology based on ITU-T G.987 standard, which uses 10Gbps downstream rate and 2.5Gbps upstream rate, supports access to up to 128 ONUs, and works on 1270nm and 1577nm wavelengths.


What is XGS-PON and how does XGS-PON coexist with GPON and XG-PON?
2024-01-12

XGS-PON is a symmetric 10G PON technology, which is the technical evolution of GPON and XG-PON.XGS-PON can share the same optical distribution network (ODN) with GPON and XG-PON, and supports the mixed access of three types of ONUs.XGS-PON's coexistence scheme mainly relies on the Combo Optical Module and the wavelength division multiplexing (WDM) technology to realize the separation and multiplexing of optical signals of different wavelengths and rates. technology, which realizes the separation and multiplexing of optical signals of different wavelengths and rates.


Difference between XG-PON and XGS-PON

XG-PON and XGS-PON are both 10G PONs. The main difference is that XG-PON is an asymmetric PON, with the uplink/downlink rate of PON port being 2.5G/10G, while XGS-PON is a symmetric PON, with the uplink/downlink rate of PON port being 10G/10G. XGS-PON is a technological evolution of GPON and XG-PON, and it supports the technology of GPON, XG-PON, XGS-PON, and XGS-PON, as well as the technology of GPON, XG-PON, and XGS-PON. XGS-PON is the technological evolution of GPON and XG-PON, supporting mixed access of three types of ONUs: GPON, XG-PON and XGS-PON. XGS-PON adopts Combo solution to share ODN with GPON, and the Combo optical module of XGS-PON integrates GPON optical module, XGS-PON optical module and WDM combiner.


What are the advantages of XGS-PON?


GPON has several advantages over XG-PON:


- Provides higher uplink bandwidth to meet the needs of services such as live broadcasting and video surveillance.


- Supports uplink/downlink symmetrical circuits for collector leased lines, improving the quality of service for enterprise users.


- Shares the same Optical Distribution Network (ODN) with GPON and XG-PON and supports mixed access of three types of ONUs, reducing the cost of network construction and operation and maintenance.


- Easily upgraded to support higher speeds, ready for future network development.



What are the disadvantages of XGS-PON?


- Higher Cost: XGS-PON is more expensive to implement than GPON and XG-PON because of the need for new optical components and higher speed optical modules.


- Compatibility: XGS-PON is not compatible with GPON equipment and requires the use of Combo solutions and WDM technology to achieve coexistence with GPON. This increases the complexity of the network and the difficulty of operation and maintenance.


- Security: XGS-PON is more vulnerable to security attacks than GPON and XG-PON. This is because XGS-PON uses a higher rate wavelength, which makes it easier for attackers to intercept and eavesdrop on traffic.



What other types of PON technologies are available? In addition to XGS-PON, there are several other types of PON technologies, the main ones being the following:


- EPON: Ethernet Passive Optical Network, a PON technology based on the IEEE 802.3ah standard, which uses a symmetrical rate of 1.25Gbps, supports access to up to 32 ONUs, and operates at 1310nm and 1490nm wavelengths.


- GPON: Gigabit Passive Optical Network, a PON technology based on the ITU-T G.984 standard, which uses a downlink rate of 2.5Gbps and an uplink rate of 1.25Gbps, supports access to up to 128 ONUs, and operates at 1310nm and 1490nm wavelengths.


- 10G-EPON: 10G Ethernet Passive Optical Network, a PON technology based on the IEEE 802.3av standard, which uses a symmetric or asymmetric rate of 10Gbps, supports access for up to 32 ONUs, and operates at 1270nm and 1577nm wavelengths.


- XG-PON: 10G Gigabit Passive Optical Network, a PON technology based on ITU-T G.987 standard, which uses 10Gbps downstream rate and 2.5Gbps upstream rate, supports access to up to 128 ONUs, and works on 1270nm and 1577nm wavelengths.