SFP optical module is a small hot pluggable optical transceiver module, which is widely used in the communication industry. The size and power consumption of the SFP module are compressed by placing CDR and electric dispersion compensation outside the module. In the base station or man, it is usually connected with the switch and other transmission equipment by using the SFP gigabit optical module, and supports the ultra long distance transmission. In this blog, ETU-Link will explain in detail the long-distance connection scheme of the optical module of the SFP 160km.

The development of SFP optical module

With the rapid development of network, the optical modules of GBIC and SFF are gradually replaced by the optical modules of SFP. The SFP optical module inherits the hot plug characteristics of GBIC, and also draws on the advantages of miniaturization of SFF. It greatly increases the port density of network equipment, adapts to the rapid development trend of network, and gets the most extensive application. Although there are many higher technology and newer optical module products, the SFP optical module will continue to exist for a long time.

160KM optical module classification:

At present, there are 155M/622M/1.25G/2.5G optical modules supporting 160km transmission in ETU-Link. Comply with the multi-source protocol and SFF-8472, LC connector, with DDM digital diagnostic monitoring function, which can be used for SONET OC-24-LR-1.

155M SFP 160KM optical module connection solution:

1.25G SFP 160KM optical module connection solution:

Application of 160KM optical module SFP

The application of the SFP optical module is very wide, which can be used in the 100M Ethernet, Gigabit Ethernet and base station.

With the advantages of low cost, miniaturization and reliability, the SFP optical module supports hot plug, which is the type of optical module with high market share.