Detailed introduction of four commonly used 100G QSFP28 Optical module.cicso sfp transceivers module wholesaler

1.100Gbase-sr4 QSFP28 Optical module

The 100Gbase-sr4 QSFP28 Optical module is a parallel 100G Optical module. QSFP28 full duplex Optical module provides four independent transmission and reception channels. Each function can operate at a speed of 25Gbps at 100m OM4 MMF, with an overall data rate of 100Gbps.

When the 100Gbase-sr4 QSFP28 Optical module transmits signals at the transmission end, the electrical signals are converted into optical signals through the laser array, and then transmitted in parallel on the banded multimode fiber. When it reaches the receiving end, the photodetector array converts the parallel light signal into a parallel electrical signal.

2.100Gbase-lr4 QSFP28 Optical module

100Gbase-lr4 QSFP28 Optical module generally adopts LC single-mode optical fiber jumper, and the maximum transmission distance can reach 10km.

The 100Gbase-lr4 QSFP28 Optical module converts four 25Gbps electrical signals into four LAN WDM optical signals and multiplexes them into one channel to achieve 100G optical transmission. At the receiving end, the module demultiplexes 100G optical input into a 4-channel LAN WDM optical signal, and then converts it into a 4-channel electrical signal output channel.

3.100Gbase-cwdm4 QSFP28 Optical module

The transmission rate of QSFP28 cwdm4 Optical module is 103.1Gbp. It is mainly used in computing, High-frequency trading and other fields. Its cost is significantly higher than the QSFP28 psm4 optical module.

The QSFP28 cwdm4 Optical module multiplexes four wavelengths of 1270nm, 1290nm, 1310nm and 1330nm into single-mode fiber for transmission through coarse Wavelength-division multiplexing (CWDM) technology.

4.100Gbase-psm4 QSFP28 Optical module

QSFP28 psm4 Optical module is a high-speed and low-power product, which is specially used for Optical interconnect in data communication applications. It complies with the PSm4 MSA optical interface specification, has a hot swappable QSFP shape, and has built-in digital diagnostic function. It has four independent full duplex channels, each capable of reaching a data rate of 25.78Gbps.