BPON vs EPON vs GPON: A Comparative Analysis
By RF Wireless Expert Team
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This article compares BPON, EPON, and GPON technologies, highlighting the key differences between them. PON stands for Passive Optical Network, a common access technology used by service providers to deliver internet and other services.
Access networks come in three main types: wireless, fiber, and copper. PON falls under the fiber category.
The following table summarizes the key specifications of BPON, EPON, and GPON as defined by the ITU organization.
BPON vs EPON vs GPON: A Comparison Table
| Specifications | BPON | EPON | GPON |
|---|---|---|---|
| Full form | Broadband PON (enhancement of APON-ATM PON) | Ethernet PON | Gigabit PON |
| Standard | ITU-T G.983 | IEEE 802.3ah | ITU-T G.984 |
| Upstream λ | 1310 nm | 1310 nm | 1310 nm |
| Downstream λ | 1490 nm and 1550 nm | 1550 nm | 1490 nm and 1550 nm |
| Protocol | ATM | Ethernet | ATM, TDM, GEM, Ethernet |
| Speed supported | Downstream: <=622 Mbps Upstream: <= 155 Mbps | Downstream: <=1.25 Gbps Upstream: <= 1.25 Gbps | Downstream: <=2.488 Gbps Upstream: <= 1.244 Gbps |
| Maximum distance | 20 Km | 10/20 Km | 10/20 Km |
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