EPON SFP transceiver 1490/1310 nm module used in various vendors OLT - Optical Line Terminal as transceiver connected to splitters and subsequently ONU's at the CPE end.
Fiberbit EPON standard, SFP type 1000BASE-PX20 1.25 OLT tranceiver module used with any vendors OLT models, or any other standard OLT's complying to 802.3ah™-2004 1000BASE-PX20. Integrated with micro-opticsWDM filter for dual wavelength Tx/Rx operation at 1490/1310nm)
Form Factor: SFP
Device Type: Transceiver module
Interface (Bus) Type: Plug-in module
Connectivity Technology: Wired
Data Transfer Rate: 1Gbps
Max Distance: 20km
Fiber Type: SMF
Connector: Simplex LC
DDM: With DDM
Operating Temperature: 0~70 °C
Fiberbit Ethernet Passive Optical Network (EPON) PX20 SFP/SFF OLT transceivers support 1000BASE-PX20-D for 20 km applications. The PE21143xxCx EPON SFP/SFF OLT transceivers are a family of high performance optical modules providing a symmetric 1.25 Gb/s downstream and 1.25 Gb/s upstream data link over a single fiber using a 1490 nm continuous-mode transmitter and 1310 nm burst-mode receiver. SFP package has an SC/UPC receptacle. The transmitter section uses a 1490 nm DFB (Distributed FeedBack) laser for superior performance and is Class 1 laser compliant. The receiver section uses a 1310 nm APD, preamplifier, and limiting post-amplifier. The receiver does not require a reset pulse between incoming optical packets of varying signal strength.
Fiberbit EPON SFP OLT transceivers support a two wire serial interface for Digital Diagnostic Monitoring. The SFP OLT transceiver supports RSSI receive
signal strength indication
Support IEEE 802.3ah™-2004 1000BASE-PX20 GEPON OLT side application
Single fiber bi-directional data links with symmetric
1.25Gbps upstream and downstream
Integrated with micro-optics WDM filter for dual wavelength Tx/Rx operation at 1490/1310nm
1490nm continuous-mode transmitter with DFB laser
1310nm burst-mode receiver with APD-TIA
Support more than 24dB dynamic range
Digital diagnostic interface compliant with SFF-8472 Rev 9.5
Digital Receiving Signal Strength Indication (RSSI)
Modern networks rarely rely on pure topologies like bus, ring, or star. Most common solutions use hybrid topologies, which are combinations of features from those three.
As it is clear from the name, star-wired ring topology has features of star and ring topologies. You can see example of this topology ...