400G CFP2 Coherent 640km Optical Transceiver – APX-CFP2-DCO-400G-640km-Coherent
Product Overview
The Apex APX-CFP2-DCO-400G-640km-Coherent is a 400G CFP2 Coherent optical transceiver designed for long-haul DCI applications. Supporting transmission distances up to 640km over single-mode fiber, this pluggable optical module delivers reliable connectivity for modern communication networks.
Built in a CFP2 form factor, the APX-CFP2-DCO-400G-640km-Coherent provides flexible deployment options with compatibility across major networking and optical transport platforms.
Engineered for carrier-grade reliability with stringent optical performance requirements, this transceiver meets the demanding specifications of next-generation optical networks.
Key Features
- 400G high-speed optical transmission
- CFP2 pluggable form factor
- Up to 640km transmission distance
- Coherent optical technology
- Digital Diagnostic Monitoring (DDM/DOM) supported
- Compatible with major networking platforms
- RoHS compliant and tested for reliable operation
Technical Specifications
| Specification | Detail |
|---|
| Part Number | APX-CFP2-DCO-400G-640km-Coherent |
| Manufacturer | Apex |
| Data Rate | 400G |
| Form Factor | CFP2 |
| Optical Technology | Coherent |
| Maximum Reach | 640km |
| Fiber Type | Single Mode Fiber (SMF) |
| Connector Type | LC Duplex |
| DDM / DOM | Supported |
| Modulation | 16QAM / 8QAM / QPSK |
| Wavelength | C-band tunable, 50GHz ITU grid |
| Line Rate | 400G, ZR/ZR+ line modes |
| Operating Temperature | 0 to +75°C |
| Compliance | CFP2 MSA, OIF ZR/ZR+, RoHS |
Applications
Data Center Interconnect (DCI)
Enables high-capacity coherent connections between geographically distributed data centers, supporting cloud infrastructure and AI workload migration.
Metro and Regional Transport
Ideal for metro optical rings and regional backbone networks requiring extended reach and high spectral efficiency.
AI and High-Performance Computing
Provides scalable coherent bandwidth for AI training clusters and HPC environments spanning multiple sites.
Compatibility
Apex optical transceivers are engineered for interoperability with major networking equipment platforms, including Cisco, Juniper, Arista, Huawei, HPE, Dell and other industry-leading systems. Each module is coded for the target switch platform before shipment.
Frequently Asked Questions
What is the Apex APX-CFP2-DCO-400G-640km-Coherent?
The Apex APX-CFP2-DCO-400G-640km-Coherent is a 400G CFP2 Coherent optical transceiver designed for long-haul DCI applications with transmission distances up to 640km.
What applications use 400G CFP2 Coherent optical modules?
These modules are commonly deployed in Data Center Interconnect (DCI), Metro and Regional Transport, AI and High-Performance Computing.
Is the module compatible with third-party switches?
Yes. Apex optical modules support OEM-compatible coding and are tested for interoperability with widely used networking platforms.
What warranty does Apex provide?
Apex provides a 3-year warranty on all optical transceivers. Each module undergoes strict optical performance, compatibility, and reliability testing before shipment.
Related Products
Why Choose Apex?
Apex provides high-performance optical transceiver solutions for telecom operators, data centers and enterprise networks. With in-house engineering support, flexible manufacturing capability and strict quality control, Apex delivers reliable optical connectivity solutions from 1.25G to 800G.
Apex coherent optical transceivers feature CMIS-compliant telemetry for real-time OSNR, pre-FEC BER, and chromatic dispersion monitoring. Every module undergoes end-of-line BER testing with span loss simulation before shipment. Each transceiver is backed by a 3-year warranty.
