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The classification of PON technology

Since the multiple ONU devices share the same optical fiber medium to communicate with the OLT in PON system, it is mainly to solve the media sharing problems between different ONU.

 

The main way to solve this problem includes the time division multiplexing (TDM)/ multiple access technology, wavelength division multiplexing (WDM) and orthogonal frequency division multiplexing (OFDM).

 

Therefore, the major technology can be divided into TDM-PON, WDM-PON and OFDM-PON.

 

At present, both EPON and GPON adopt the TDM-PON technology. And the application of EPON and GEPON become wider and the technologies are mature.

Class C+ GPON ONU SFP 1310nm Tx 1490nm Rx

SOPTO GPON transceiver is a high performance module, ZTE, Huawei and Alcatel compatible and designed for single fiber communications using a 1310nm or 1490nm burst-mode transmitter and a 1490nm or 1310nm continuous-mode receiver. 

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CSFP Module

The CSFP transceivers are high performance, cost effective modules supporting 2.488Gbps and 20km transmission distance with SMF. The transceiver consists of three sections: a   laser transmitter, a photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The CSFP MSA defines a transceiver mechanical form-factor with latching mechanism and a host board, SFP-like, electrical edge connector and cage. The CSFF MSA also defines a transceiver mechanical form-factor.The dual-channel CSFP is compatible with the standard SFP cage. The single-channel CSFP and CSFF are half the size of the industry-standard SFP and

CFP Module

CFP is a hot-pluggable transceiver that supports a wide range of 40 and 100 Gb/s applications such as 40G and 100G Ethernet, OC-768/STM-256, OTU3, and OTU4. Different versions of CFP modules can support various link distances over either multimode or single mode fiber optics. The CFP module includes numerous innovative features like advanced thermal management, EMI management and enhanced signal integrity design, as well as an MDIO-based management interface.

How to remove a SFP Transceiver Module?

Complete these steps in order to remove the SFP transceiver:1. Attach an ESD-preventive wrist strap to your wrist and to the ESD ground connector or a bare metal surface on your chassis.2. Disconnect the network fiber-optic cable or network copper cable from the SFP Transceiver Module connector.For optical SFP transceivers, immediately reinstall the dust plugs in the SFP transceiver optical bores and the fiber-optic cable LC connectors.Tip: For reattachment of fiber-optic cables, note which connector plug is send (TX) and which is receive (RX).3. Release and remove the SFP Transceiver Module from the socket connector.   If the SFP transceiver has a Mylar tab latch, pull the tab gently in
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