What are the differences between GPON, XG-PON and XGS-PON?

2020-07-20 10:00:12 7

The following table lists the specification differences between the 3 technologies:

Specifications	GPON	10G GPON
Specifications	GPON	XG-PON	XGS-PON
Wavelength	Downstream: 1480-1500 nm Upstream: 1290-1330 nm	Downstream: 1575-1580 nm Upstream: 1260-1280 nm	Downstream: 1575-1580 nm Upstream: 1260-1280 nm
Center wavelength	Downstream: 1490 nm Upstream: 1310 nm	Downstream: 1577 nm Upstream: 1270 nm	Downstream: 1577 nm Upstream: 1270 nm
Maximum Line Rate	Downstream: 2.488 Gbit/s Upstream: 1.244 Gbit/s	Downstream: 9.953 Gbit/s Upstream: 2.488 Gbit/s	Downstream: 9.953 Gbit/s Upstream: 9.953 Gbit/s
Maximum Physical Transmission Distance	60 km NOTE: The physical reach is defined by split ratio, optical module size, and fiber quality.	100 km NOTE: The physical reach is defined by split ratio, optical module size, and fiber quality.	100 km NOTE: The physical reach is defined by split ratio, optical module size, and fiber quality.
Maximum Split Ratio	1:128 NOTE: The actual split ratio depends on the optical module model and fiber distance.	1:256 NOTE: The actual split ratio depends on the optical module model and fiber distance.	1:256 NOTE: The actual split ratio depends on the optical module model and fiber distance.

label: GPON XG-PON XGS-PON