C-LIGHT QSFP28 100GE/OTU4 Dual-Rate LR4 10km Optical Transceiver enables carrier-class 100G connectivity over 10km single-mode fiber, supporting both 100Gb Ethernet (IEEE 802.3ba LR4) and OTU4 transport,Utilizing 4×25G PAM4 modulation with CWDM wavelengths 1271/1291/1311/1331nm) this module delivers 106.25Gbps bandwidth while featuring ≤ 3.5W power efficiency, industrial temperature tolerance (0°C to +70°C), and real-time digital diagnostics. It is engineered for OTN backbone networks and hyperscale data center interconnects, ensuring seamless integration in multi-vendor environments.
| Product Features: |
●Supports 103.1Gb/s and OTU4 112Gb/s aggregate bit rate ●Power dissipation < 3.5W ●RoHS-6 compliant ●Commercial case temperature range of 0°C to 70°C ●Single 3.3V power supply ●Maximum link length of 10km on Single Mode Fiber (SMF) ●4x28Gb/s DFB-based LAN-WDM transmitter ●4x28G retimed electrical interface ●Duplex LC receptacles ●I2C management interface |
| Applications |
| This dual-rate optical transceiver supports both 100 Gigabit Ethernet (100GE) and OTU4 (112G) protocols with 10km reach. Key applications include: ●Data Center Interconnects ●Telecom Transport Networks ●5G Backhaul ●Enterprise Networks ●Cloud Infrastructure |
| Data Sheet |
| QSFP28-100G-OTU4-DUAL-RATE-LR4-10Km.pdf |
100G QSFP28 100GE/OTU4 Dual Rate LR4 10km FAQ
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.
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