1.6T DCI Muxponder / Transponder

 

Product characteristics

● Modular design: The board adopts a hot swappable design, supporting smooth upgrades, and can flexibly expand or delete services according to needs.
● 1.6T capacity design: Supports up to 16 * 100G customer side access, 8 * 200G and 4 * 400G line side transmission, achieving bidirectional 1.6Tbps business transmission capacity. By stacking devices, the transmission capacity can be effectively expanded to single fiber 19.2Tbps (single wave 200G * 96 waves) or 25.6Tbps (single wave 400G * 64 waves)
● 7nm chip technology: Based on the most advanced single carrier 7nm coherent DSP and photon integration technology, including CFP2-DCO and terminal optical technology, achieving ultra-low energy consumption of 12W/100G, greatly superior to the industry's average level (25W/100G).
● Super Channel technology: Supports multi carrier super channel technology, greatly improving spectrum utilization, and can seamlessly interact with high-performance long-distance optical transmission platform Vispace1000 series devices or any other third-party optical layer transmission system to achieve optoelectronic decoupling.
● Standard DCI rack design: It has a reasonable height, width, and depth design, with forward and rear air cooling design. It supports dual power supply 1+1 hot backup, and AC and DC power supply DC-48V, meeting the server rack requirements of the data center computer room.
● Equipped with complete network management protocols: supporting various mainstream interfaces such as WEB, SNMP, CLI, TLI, and other network management interfaces.
● Supporting SDN architecture network management design: The device is based on the SDN design concept and can provide an open Netconf/Yang model, which can meet the Netconf/Yang interface requirements of China Unicom, Telecom, and other customers.
● Support customized development of network management protocols: Various network management protocols can be flexibly customized according to customer needs.

 

Physical Characteristics

Characteristic	Description
Height	1U
Suitable Cabinet	19-inch
Power Supply	1+1redundancy power supply AC input: 100～240V, 47～63Hz DC input: -40V～-72V High voltage DC input: 192V-288V
Cooling Method	The air flow direction is from the front to the rear
Working Environment	Working temperature: 0°C～45°C Memory storage temperature: -40°C ~ 70°C Relative humidity: 10%～90%, no condensation
Management Interface	RJ45
Management	SNMP/NETCONF

 

 

1. Electrical Unit

1.1 Pluggable 400G DCI Transponder Card for FBL-OTDCI-400I (4 x 100G QSFP28 to 1 x 400G CFP2 DCO)

Characteristic	Description
Occupied Slots Number	Occupy one slot
Client-side interface	Each service card supports four pluggable QSFP28 based 100G client ports, in total sixteen 100G client ports per chassis.
Line-side interface	Each service card supports one pluggable 400G CFP2 DCO coherent modules, in total four 400G line-side ports.
Line-side signal and multiplexing structure	400G: OCh <-> OTUC4 <->ODUC4 <-> ODU4
Client-side signal and mapping method	100G <-> ODU4
Line-side modulation format	400G: 16QAM
FEC mode	400G: SD-FEC

 

 

The exponential growth of cloud computing, artificial intelligence, and big data analytics has created unprecedented demands on network infrastructure. Organizations worldwide are seeking robust, scalable solutions to connect their data centers efficiently while maintaining exceptional performance and reliability. This is where advanced Data Center Interconnect technology becomes essential for modern enterprise operations.

Understanding Modern DCI Architecture

Data Center Interconnect technology serves as the critical backbone connecting geographically distributed data centers, enabling seamless data transmission across vast distances. Unlike traditional networking approaches, contemporary DCI solutions leverage cutting-edge optical transmission technologies to deliver massive bandwidth capacity while minimizing latency and power consumption.

The evolution of DCI infrastructure has been driven by several key factors: the migration to cloud-native architectures, the proliferation of content delivery networks, and the need for disaster recovery capabilities across multiple sites. Modern enterprises require DCI systems that can handle terabit-scale traffic while offering flexibility for future expansion.

Revolutionary Technology Behind High-Performance DCI Systems

Advanced DCI platforms now incorporate several breakthrough technologies that set them apart from legacy solutions. The integration of 7-nanometer coherent digital signal processors represents a quantum leap in power efficiency and signal processing capability. This miniaturization enables unprecedented performance density, allowing single rack units to handle multiple terabits of throughput.

Photonic integration technology has transformed how optical signals are generated, modulated, and detected. By combining multiple optical functions onto single chips, manufacturers achieve remarkable reductions in power consumption-some systems now operate at just 12 watts per 100 gigabits, less than half the industry average. This efficiency translates directly into lower operational costs and reduced environmental impact.

Super channel technology further enhances DCI capabilities by enabling multiple optical carriers to operate in coordinated fashion. This approach dramatically improves spectral efficiency, allowing more data to flow through existing fiber infrastructure without requiring costly cable installations.

Modular Design Philosophy for Maximum Flexibility

The modular approach to DCI architecture offers transformative advantages for network operators. Hot-swappable components enable service upgrades and maintenance without network downtime, crucial for mission-critical applications. Organizations can start with baseline capacity and incrementally add modules as traffic demands grow, optimizing capital expenditure alignment with actual business needs.

This architecture supports diverse client interfaces-from 100-gigabit QSFP28 modules to 400-gigabit CFP2 DCO coherent optics-providing compatibility across multiple network generations. The ability to mix and match interface types within the same platform simplifies network evolution and protects infrastructure investments.

Scaling to Meet Tomorrow's Bandwidth Requirements

Contemporary DCI solutions are engineered for massive scalability. Individual chassis can support bidirectional 1.6 terabit capacity, accommodating up to sixteen 100-gigabit client connections or multiple 200-gigabit and 400-gigabit line-side interfaces. When organizations require even greater throughput, device stacking enables expansion to 19.2 or even 25.6 terabits per fiber strand.

This scalability proves essential for hyperscale data center operators, cloud service providers, and telecommunications carriers facing relentless bandwidth growth. The architecture ensures that capacity additions integrate seamlessly with existing infrastructure, avoiding forklift upgrades that disrupt operations and consume resources.

Software-Defined Networking Integration

Modern DCI platforms embrace software-defined networking principles, offering programmable interfaces that enable automated provisioning and orchestration. Support for NETCONF and YANG data models allows integration with contemporary network management systems, enabling zero-touch deployment and real-time service activation.

These open interfaces facilitate custom workflow development, allowing organizations to build automation tailored to their specific operational requirements. Whether managing services across multiple data centers or coordinating with third-party optical transport systems, SDN-enabled DCI solutions provide the flexibility modern networks demand.

Optimized for Data Center Environments

Physical design considerations significantly impact DCI deployment success. Standard rack compatibility ensures equipment fits seamlessly into existing data center infrastructure without requiring specialized cabinets or modifications. Front-to-rear airflow patterns align with hot-aisle/cold-aisle configurations common in contemporary facilities, optimizing cooling efficiency.

Redundant power supplies with automatic failover capabilities protect against outages, while support for both AC and DC power options-including high-voltage DC-accommodates diverse data center power architectures. These features collectively minimize deployment complexity and operational risk.

Interoperability and Future-Proofing

The ability to interoperate with diverse vendor ecosystems proves critical for real-world deployments. Advanced DCI systems support industry-standard protocols and can integrate with any optical layer transmission platform, preventing vendor lock-in and preserving flexibility for future technology choices.

This interoperability extends to management protocols as well. Support for traditional interfaces like SNMP and CLI alongside modern NETCONF ensures compatibility with existing operational support systems while enabling migration toward more advanced automation frameworks.

Frequently Asked Questions

What makes DCI different from traditional WAN connectivity?

DCI technology is purpose-built for data center interconnection, offering significantly higher bandwidth capacity, lower latency, and better power efficiency compared to general-purpose WAN solutions. DCI systems utilize advanced coherent optics and specialized signal processing optimized for point-to-point or mesh connectivity between data center facilities.

How does power efficiency impact total cost of ownership for DCI deployments?

Power consumption represents a substantial portion of data center operational expenses. Modern DCI solutions consuming 12 watts per 100 gigabits versus older 25-watt technologies can reduce power costs by over 50%. Across large-scale deployments handling multiple terabits, these savings accumulate to significant reductions in both operating expenses and carbon footprint.

Can DCI infrastructure support both short-reach and long-haul applications?

Yes, contemporary DCI platforms support flexible reach profiles through programmable modulation formats and forward error correction schemes. Short metro connections can utilize higher-order modulation for maximum capacity, while long-haul links employ more robust modulation formats to maintain signal integrity over extended distances.

What role does DCI play in hybrid cloud architectures?

DCI provides the high-bandwidth, low-latency connectivity essential for hybrid cloud implementations. Organizations can seamlessly extend private data center resources to public cloud platforms, enabling workload portability, burst capacity utilization, and distributed application architectures that span on-premises and cloud environments.

How quickly can additional capacity be deployed when traffic demands increase?

Hot-swappable modular designs enable capacity additions without service disruption. Depending on component availability, organizations can install and activate new interface modules within hours rather than the weeks or months required for traditional equipment installations. This agility proves crucial for responding to unexpected traffic surges or business growth.

What management capabilities are essential for modern DCI operations?

Comprehensive DCI management requires multiple interface options to support diverse operational workflows. Web-based graphical interfaces simplify routine tasks, while CLI access enables scripting and automation. NETCONF/YANG support allows integration with SDN controllers and orchestration platforms for advanced automation and service lifecycle management.

How does super channel technology improve network efficiency?

Super channel technology aggregates multiple optical carriers into coordinated groups, enabling more efficient spectrum utilization and simplified network management. This approach can increase fiber capacity by 20-30% compared to independent wavelength operation while reducing operational complexity through unified management of carrier groups.

What considerations are important when planning DCI network expansion?

Successful expansion planning must account for current traffic patterns, growth projections, and potential architectural shifts. Organizations should evaluate fiber availability, power capacity in data center facilities, and compatibility with existing equipment. Modular DCI platforms offer advantages by allowing incremental capacity additions aligned with actual demand rather than requiring large upfront investments in potentially unused capacity.

 

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