QSFP28 100GE/OTU4 DUAL RATE CWDM4 10km

Q1: What is a 100G QSFP28 100GE/OTU4 Dual Rate CWDM4 10km transceiver?

A 100G QSFP28 100GE/OTU4 Dual Rate CWDM4 transceiver is a hot-pluggable optical module that supports both 100 Gigabit Ethernet (100GE) and OTU4 transmission. It uses CWDM4 technology to provide up to 10km connectivity over single-mode fiber.

Key features include:

• 100GE and OTU4 dual-rate support

• Up to 10km over SMF

• CWDM4 optical transmission

• Duplex LC connector

• QSFP28 hot-pluggable form factor

It is ideal for DCI, telecom transport, metro networks, and enterprise backbone applications.

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

The module converts electrical signals into 4×28G CWDM optical channels at 1270nm, 1290nm, 1310nm, and 1330nm, transmitting over duplex single-mode fiber. It supports both Ethernet and OTU4 protocols, enabling flexible deployment across packet and transport networks.

Q3: What are the key features of the C-LIGHT 100G QSFP28 Dual Rate CWDM4 10km transceiver?

The C-LIGHT module is designed for carrier-grade 100G optical transmission.

Key features include:

• 100GE and OTU4 dual-rate operation

• Up to 10km transmission

• 4×28G CWDM DFB lasers

• Duplex LC interface

• Power consumption <3.5W

• I²C management interface

• Digital Diagnostic Monitoring (DDM)

These features provide reliable and efficient 100G optical connectivity.

Q4: What are the advantages of a dual-rate 100GE/OTU4 CWDM4 transceiver?

Compared with single-protocol modules, it offers:

• Supports Ethernet and OTN

• Lower inventory costs

• Simplified deployment

• Broad equipment compatibility

• Flexible network upgrades

It is an efficient solution for converged optical transport networks.

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

These modules are widely deployed in medium-distance optical networks.

Typical applications include:

• Data Center Interconnect (DCI)

• Telecom metro networks

• Enterprise core networks

• HPC and storage systems

• Content Delivery Networks (CDN)

• Cloud infrastructure

These applications require reliable 100G transmission with Ethernet and OTN compatibility.

Q6: Why choose a dual-rate 100GE/OTU4 CWDM4 module instead of a standard 100G CWDM4?

A dual-rate module supports both 100GE and OTU4, allowing a single transceiver to operate across Ethernet and transport networks.

Its advantages include:

• Multi-protocol support

• Lower deployment costs

• Flexible network migration

• Reduced spare inventory

• Excellent interoperability

It is ideal for carrier and enterprise optical networks.

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

When selecting a 100G CWDM4 module, consider:

• Protocol compatibility

• Transmission distance

• Fiber type

• Switch compatibility

• Power consumption

• Operating temperature

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

Q8: Why choose the C-LIGHT 100G QSFP28 100GE/OTU4 Dual Rate CWDM4 10km transceiver?

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

It provides:

• 100GE and OTU4 dual-rate support

• Up to 10km over SMF

• CWDM4 optical technology

• Power consumption <3.5W

• Broad platform compatibility

It is an ideal solution for DCI, telecom transport, metro networks, enterprise backbones, and cloud infrastructure.