Q1: What is a 100G QSFP28 CWDM4 LR4 10KM transceiver?

A 100G QSFP28 CWDM4 LR4 10KM transceiver is a hot-pluggable optical module designed for 100GbE transmission over single-mode fiber. It uses CWDM4 technology to deliver reliable 100Gbps connectivity up to 10km.

Key features include:

• 100Gbps data rate

• CWDM4 optical technology

• Up to 10km over SMF

• Duplex LC connector

• QSFP28 hot-pluggable form factor

It is ideal for DCI, enterprise networks, cloud computing, HPC, and metro networks.

Q2: How does a 100G QSFP28 CWDM4 LR4 transceiver work?

The module converts electrical signals into 4×25G NRZ optical channels using four CWDM wavelengths (1270nm, 1290nm, 1310nm, and 1330nm). The multiplexed optical signal is transmitted over a duplex single-mode fiber pair for efficient 100G communication.

Q3: What are the key features of the C-LIGHT 100G QSFP28 CWDM4 LR4 10KM transceiver?

The C-LIGHT module is designed for reliable 100G optical networking.

Key features include:

• 100Gbps Ethernet transmission

• Up to 10km over SMF

• 4×25G DFB CWDM transmitters

• Duplex LC interface

• QSFP28 MSA compliant

• I²C management interface

• Power consumption<3.5w<>

These features provide stable, low-power optical connectivity for modern networks.

Q4: What are the advantages of a 100G QSFP28 CWDM4 LR4 transceiver?

Compared with shorter-reach multimode modules, it offers:

• Up to 10km transmission

• Low power consumption

• Duplex LC connectivity

• High reliability

• Cost-effective deployment

It is an efficient solution for medium-distance 100G optical links.

Q5: Where are 100G QSFP28 CWDM4 LR4 transceivers commonly used?

These modules are widely deployed in high-speed optical networks.

Typical applications include:

• Data Center Interconnect (DCI)

• Enterprise core networks

• High-Performance Computing (HPC)

• Cloud infrastructure

• Metro backbone networks

• 5G fronthaul and midhaul

These applications require reliable 100Gbps transmission over distances up to 10km.

Q6: Why choose a 100G QSFP28 CWDM4 LR4 instead of a 100G SR4 module?

A 100G CWDM4 LR4 module supports single-mode fiber transmission up to 10km, while a 100G SR4 module is designed for multimode fiber with a reach of up to 100m.

Its advantages include:

• Longer transmission distance

• Lower fiber attenuation

• Duplex LC interface

• Better for campus and DCI links

• Excellent compatibility

It is ideal for medium-distance optical networking.

Q7: How do you choose the right 100G QSFP28 CWDM4 LR4 transceiver?

When selecting a 100G CWDM4 module, consider:

• Transmission distance

• Fiber type

• Connector type

• Switch compatibility

• Power consumption

• IEEE/MSA compliance

Choosing the right module ensures reliable network performance and long-term scalability.

Q8: Why choose the C-LIGHT 100G QSFP28 CWDM4 LR4 10KM transceiver?

The C-LIGHT 100G QSFP28 CWDM4 LR4 combines reliable 10km transmission, low power consumption, and broad compatibility in a compact QSFP28 package.

It provides:

• 100Gbps bandwidth

• Up to 10km over SMF

• CWDM4 optical technology

• Power consumption<3.5w<>

• Broad platform compatibility

It is an ideal solution for DCI, enterprise networks, cloud computing, HPC, metro networks, and 5G infrastructure.