BPON vs EPON vs GPON-difference between BPON,EPON and GPON
This page compares BPON vs EPON vs GPON and mention difference between BPON, EPON and GPON.
PON is the short form of Passive Optical Network. It is one of the access type used by the service provider. There are three types of access networks viz. wireless, fiber and copper. Following table summarizes the three types of PON as defined by ITU organization.
| 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 speeds <=622 Mbps Upstream speeds <= 155 Mbps |
Downstream speeds <=1.25 Gbps Upstream speeds <= 1.25 Gbps |
Downstream speeds <=2.488 Gbps Upstream speeds <= 1.244 Gbps |
| Maximum distance | 20 Km | 10/20 Km | 10/20 Km |
Optical resources
• DWDM system basics
• Fibre optic communication
• Types of WDM
• PDH versus SDH
• SONET versus SDH
• What is PDMA?
• What is WDM?
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