Q1: What is a 100G QSFP28 100GE/OTU4 Dual Rate LR4 10km transceiver?

A 100G QSFP28 100GE/OTU4 Dual Rate LR4 transceiver is a hot-pluggable optical module that supports both 100 Gigabit Ethernet (100GE) and OTU4 transport. It delivers up to 10km transmission over single-mode fiber, making it ideal for telecom and data center applications.

Key features include:

• Dual-rate 100GE and OTU4 support

• Up to 10km over SMF

• 4×25G LAN-WDM transmission

• Duplex LC connector

• QSFP28 hot-pluggable form factor

It is ideal for OTN transport, DCI, 5G backhaul, and enterprise networks.

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

The module converts electrical signals into 4×25G optical channels using LAN-WDM technology over duplex single-mode fiber. It supports both Ethernet and OTU4 protocols, allowing one module to operate across multiple network environments.

Q3: What are the key features of the C-LIGHT 100G QSFP28 Dual Rate LR4 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 DFB LAN-WDM lasers

• Duplex LC interface

• Power consumption <3.5W

• Digital Diagnostic Monitoring (DDM)

These features provide reliable and efficient optical connectivity.

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

Compared with single-protocol modules, it offers:

• Supports both Ethernet and OTN

• Lower inventory costs

• Simplified network deployment

• Broad equipment compatibility

• Easy network upgrades

It is an efficient solution for converged transport networks.

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

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

Typical applications include:

• OTN backbone networks

• Data Center Interconnect (DCI)

• Telecom transport networks

• 5G backhaul

• Cloud infrastructure

• Enterprise backbone networks

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

Q6: Why choose a dual-rate 100GE/OTU4 module instead of a standard 100G LR4?

A dual-rate module supports both 100GE and OTU4, allowing the same transceiver to be used across packet 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 LR4 transceiver?

When selecting a 100G LR4 module, consider:

• Protocol compatibility

• Transmission distance

• Fiber type

• Switch compatibility

• Power consumption

• Operating temperature

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

Q8: Why choose the C-LIGHT 100G QSFP28 100GE/OTU4 Dual Rate LR4 10km transceiver?

The C-LIGHT 100G QSFP28 Dual Rate LR4 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

• LAN-WDM technology

• Power consumption <3.5W

• Broad platform compatibility

It is an ideal solution for OTN backbone networks, DCI, telecom transport, cloud infrastructure, and 5G backhaul.