Gigabit Passive Optical Networks (GPON) is the leading technology being used in FTTx (FTTH) deployments. PON is different than other optical network topologies in that it is a Point to Multi-Point (P2MP) topology. From the Central Office’s (CO) Optical Line Terminal (OLT, with SFP GPON transceiver/module) a single strand of fiber goes out to a passive optical splitter where its signal is multiplied to 64(128) different lines. The Transmit and Receive signals operate on different wavelengths allowing bi-directional operation over a single fiber. Anything transmitted from the OLT is transmitted to all 32 lines. It is up to the customer’s system (Optical Network Unit - ONU) to determine what packets are for that customer. All other packets are discarded. The PON current standards have defined downstream data rates up to 2.5Gbps.
Ordering information:
Package |
Part No. |
Data Rate Range |
Wavelength |
Optical Components |
Suitable Network Application |
Connector |
DDM |
Application |
SFP |
EOLS-GT-25-D |
2.5Gbps/1.25Gbps |
1490T/1310R |
DFB/APD |
Class B+ |
SC |
D |
Class B+ GPON OLT |
SFP |
EOLS-GT-35-D |
2.5Gbps/1.25Gbps |
1490T/1310R |
DFB/APD |
Class C+ |
SC |
D |
Class C+ GPON OLT |
SFF 2x10 |
EOLF-GUA-25-D |
1.25Gbps/2.5Gbps |
1310T/1490R |
DFB/APD |
Class B+ |
SC |
D |
Class B+ GPON ONU |
SFF 2x10 |
EOLF-GUA-25-DP |
1.25Gbps/2.5Gbps |
1310T/1490R |
DFB/APD |
Class B+ |
SC-Pigtail |
D |
Class B+ GPON ONU |
SFF 2x10 |
EOLF-GUA-35-D |
1.25Gbps/2.5Gbps |
1310T/1490R |
DFB/APD |
Class C+ |
SC |
D |
Class C+ GPON ONU |
SFF 2x10 |
EOLF-GUA-35-DP |
1.25Gbps/2.5Gbps |
1310T/1490R |
DFB/APD |
Class C+ |
SC-Pigtail |
D |
Class C+ GPON ONU |
SFP |
EOLS-GU-25-D |
1.25Gbps/2.5Gbps |
1310T/1490R |
DFB/APD |
Class B+ |
SC |
D |
Class B+ GPON ONU |
SFP |
EOLS-GU-35-D |
1.25Gbps/2.5Gbps |
1310T/1490R |
DFB/APD |
Class C+ |
SC |
D |
Class C+ GPON ONU |
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