1.6T OSFP 2×FR4 CWDM4 Optical Transceiver 2km Dual LC SMF Flat Top Module
The 1.6T OSFP 2×FR4 CWDM4 Optical Transceiver delivers 1.6Tbps optical connectivity using dual FR4 engines and CWDM4 technology. Supporting 2km SMF transmission, dual LC interfaces, CMIS management, and flexible breakout configurations, it is designed for AI networks, cloud data centers, and InfiniBand XDR applications.
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Description
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Specification
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Features
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Application
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Custom Service
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FAQ
The 1.6T OSFP 2×FR4 CWDM4 Optical Transceiver is a next-generation high-bandwidth optical module designed for advanced AI computing, hyperscale cloud data centers, and 1600G Ethernet networking applications. Based on a flat-top OSFP form factor, the module integrates two independent 800G FR4 optical engines, each using four CWDM optical lanes with MUX/DEMUX technology, to deliver an aggregate bandwidth of 1.6Tbps over single-mode fiber. Supporting transmission distances up to 2km through dual Duplex LC/UPC interfaces, it provides a flexible and scalable solution for high-capacity optical interconnects.
Designed for future-facing data center architectures, this transceiver supports multiple deployment configurations, including 1×1600G, 2×800G, 4×400G, and 8×200G connectivity options. With hot-pluggable operation, CMIS-based management, advanced optical monitoring capabilities, and optimized thermal performance, it enables efficient deployment in AI clusters, cloud infrastructure, and next-generation InfiniBand XDR networking environments.
| Form Factor | OSFP Flat Top |
|---|---|
| Data Rate | 1.6Tbps |
| Optical Standard | 2×FR4 |
| Fiber Type | Single-Mode Fiber (SMF) |
| Maximum Distance | Up to 2km (3km applicable deployments) |
| Wavelength | CWDM4 |
| Optical Architecture | 2 Sets of 4 CWDM Lanes with MUX/DEMUX |
| Optical Connector | Dual Duplex LC/UPC |
| Deployment Modes | 1×1600G / 2×800G / 4×400G / 8×200G |
| Extinction Ratio | >3.5dB |
| Transmit Optical Power | -2.2 to +4.9dBm |
| Receiver Sensitivity | < Max(-3.7 | -4.6 + TECQ)dBm |
| Management Interface | CMIS Supported |
| Power Supply | Standard OSFP Power Interface |
| Maximum Power Consumption | ≤28W |
| Hot Plug Capability | Yes |
- Supports ultra-high-speed 1.6Tbps optical transmission
- Based on dual 800G FR4 optical architecture
- OSFP Flat Top high-density pluggable form factor
- Uses CWDM4 wavelength multiplexing technology
- Integrates two sets of four CWDM optical lanes
- Supports up to 2km transmission over single-mode fiber
- Supports extended reach up to 3km in applicable deployments
- Dual Duplex LC/UPC optical interfaces for flexible connectivity
- Supports multiple breakout configurations:
- 1.6T Ethernet data center networks
- AI and GPU cluster interconnects
- Hyperscale cloud computing infrastructure
- High-performance computing (HPC)
- InfiniBand XDR networking
- Data Center Interconnect (DCI)
- Next-generation Ethernet switching platforms
- Cloud service provider networks
- Large-scale AI server connectivity
FiberMania provides OEM and ODM customization services for 1.6T OSFP optical transceiver modules to support the requirements of cloud providers, AI infrastructure companies, network equipment manufacturers, and system integrators.
What is the difference between 1.6T OSFP 2×FR4 and traditional 800G optical modules?
The 1.6T OSFP 2×FR4 module integrates two independent 800G FR4 optical engines into a single transceiver, doubling the bandwidth density compared with conventional 800G modules. It is designed for next-generation AI networks requiring higher throughput per switch port.
Why does this module use dual Duplex LC/UPC connectors?
The dual Duplex LC/UPC interfaces support two independent FR4 optical links within one OSFP module. This design provides high-density connectivity while maintaining compatibility with widely deployed single-mode fiber cabling systems.
What network architectures can use this 1.6T optical transceiver?
The module supports flexible deployment architectures, including direct 1600G connections as well as breakout configurations such as 2×800G, 4×400G, and 8×200G. This allows network operators to gradually upgrade infrastructure while maintaining deployment flexibility.
What are the advantages of CWDM4 technology in 1.6T optical modules?
CWDM4 technology enables multiple optical wavelengths to transmit simultaneously over fiber, reducing the number of required fibers while maintaining high bandwidth. It provides an efficient balance between transmission performance, power consumption, and system cost.
Is this 1.6T OSFP module suitable for AI data centers?
Yes. The high bandwidth density, low-latency optical architecture, and flexible breakout capability make it suitable for AI training clusters, GPU interconnect networks, and large-scale cloud data center deployments.
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