Comparison between EPON & GPON
2020-04-27Technology | EPON | GPON |
Standardization Organization | IEEE EFM | ITU-T/FSAN |
Standard | IEEE 802.3ah | ITU-T G.984 |
Transport Layer Protocol | IP/Ethernet | ATM/GEM |
Downstream Multiplexing Technique | TDM | TDM |
Upstream Multiplexing Technique | TDMA | TDMA |
Data Service Bearing Mode | Ethernet | GEM |
Max. Transmission Distance (km) | 10, 20 | 20 |
Max. Downstream Speed | 1.25Gbit/s | 2.5Gbit/s |
Max. Upstream Speed | 1.25Gbit/s | 1.25Gbit/s |
Splitting Raito | 1:16, 1:32, 1:64 | 1:16, 1:32, 1:64, 1:128 |
ONU Interface | 10/100/1000M Ethernet Interface | ATM, TDM and 10/100/1000M Ethernet Interface |
OLT Service Node Interface | 1G and 10G Ethernet Interface | ATM,TDM and 1G and 10G Ethernet Interface |
Upgrade Difficulty | normal | normal |
User Network Cost | low | higher |
Service Node Cost | low | higher |
Author: FirstFiber.cn