800G CFP2-DCO Coherent Optical Module
The 800G CFP2-DCO is a high-performance Coherent optical module designed for OTN and Data Center Interconnect (DCI) applications. The module supports operation up to 850 Gbps and provides flexible Coherent line-side transmission using 800G PM-16QAM, 400G PM-QPSK and 400G 16QAM-PS modulation formats.
The module integrates Coherent DSP functionality, management, alarm handling and performance monitoring in a hot-pluggable CFP2 form factor. It supports multiple OTN, Ethernet and FlexO host interfaces and is intended for high-capacity regional and long-haul optical transport applications.
Key Features
• Coherent 800G CFP2-DCO optical module
• Maximum operating data rate: up to 850 Gbps
• Supports: 800G PM-16QAM-PS, 400G PM-QPSK, 400G 16QAM-PS
• Integrated SD-FEC
• Supports OTU4
• Supports OTUCn
• Supports 100GE
• Supports FlexO
• Supports OTL4.2 and OTL4.1 signaling
• FlexO support through: FOIC1.1, FOIC1.2, FOIC4.8
• Near-end data loopback
• Remote-end data loopback
• Hot-pluggable CFP2 form factor
• CFP2 MSA Hardware Specification 1.0 compliant with modifications
• CFP MSA Management Interface Specification 2.2 compliant with modifications
• Typical power consumption: up to 40 W.
Applications
• Data Center Interconnect – DCI
• OTN transport networks
• Regional coherent DWDM
• Long-haul coherent DWDM
• High-capacity point-to-point optical links
• 400G / 800G optical transport systems.
Line-Side Optical Performance
The module supports three main coherent operating modes.
400G PM-QPSK – Long-Haul
• Data rate: 400G
• Modulation: PM-QPSK
• FEC: SD-FEC
• Application: Long-haul
• Grid spacing: 150 GHz
• Frequency range: 190.75 to 196.60 THz
• Wavelength stability: ±1.5 GHz
• Tx output power range: -7 to -2 dBm
• Tx output power accuracy: ±1.5 dB
• Optical output during tuning: < -35 dBm
• Maximum chromatic dispersion tolerance: ±40,000 ps/nm
• Receiver input power range: 0 to -18 dBm
• Typical OSNR tolerance: 17 dB
• Typical power consumption: 40 W
400G 16QAM-PS – Regional
• Data rate: 400G
• Modulation: 16QAM-PS
• FEC: SD-FEC
• Application: Regional
• Grid spacing: 100 GHz
• Frequency range: 190.725 to 196.625 THz
• Wavelength stability: ±1.5 GHz
• Tx output power range: -7 to -2 dBm
• Maximum chromatic dispersion tolerance: ±25,000 ps/nm
• Receiver input power range: 0 to -18 dBm
• Typical OSNR tolerance: 18.5 dB
• Typical power consumption: 38 W
800G PM-16QAM-PS – Regional
• Data rate: 800G
• Modulation: PM-16QAM-PS
• FEC: SD-FEC
• Application: Regional
• Grid spacing: 150 GHz
• Frequency range: 190.75 to 196.60 THz
• Wavelength stability: ±1.5 GHz
• Tx output power range: -7 to -2 dBm
• Maximum chromatic dispersion tolerance: ±15,000 ps/nm
• Receiver input power range: 0 to -18 dBm
• Typical OSNR tolerance: 25.5 dB
• Typical power consumption: 40 W.
Electrical Interface
• Host connector: 104-pin CFP2-MSA
• High-speed electrical interfaces compliant with: CEI-112G-VSR, CEI-56G-VSR
• Eight differential TX lane pairs
• Eight differential RX lane pairs
• AC-coupled high-speed data interfaces
• Integrated local reference clock
• Host REFCLK is not required
• Integrated local clock: approximately 156.25 MHz.
Power Supply
• Supply voltage:
o Minimum: 3.2 V
o Typical: 3.3 V
o Maximum: 3.4 V
• Power supply tolerance: approximately ±5%
• Typical power consumption: 400G PM-QPSK: 40 W, 400G 16QAM-PS: 38 W, 800G PM-16QAM-PS: 40 W
• Maximum specified SD-FEC operating power: 40 W
• Low-power mode: maximum 2 W
• Power supply noise: Up to 2% p-p from DC to 1 MHz, Up to 3% p-p from 1 to 10 MHz.
Management and Monitoring
• MDIO management interface
• IEEE 802.3 Clause 45 MDIO implementation
• MDIO data rate: up to 4 Mb/s
• MDC clock rate: up to 4 MHz
• Module reset
• Transmitter disable
• Receiver loss-of-signal alarm
• Module-present detection
• Low-power mode
• Programmable control signals
• Programmable alarm signals
• Global alarm
• Internal software management
• Modulator control
• Alarm and performance event reporting.
Loopback Functions
• Near-end data loopback
• Remote-end data loopback
These functions can be used for commissioning, troubleshooting and system diagnostics.
Overhead Access Interface
• Two-channel SGMII monitoring interface
• Supports SGMII / 2500BASE-X modes
• Supports USGMII
• AC-coupled interface
• Used for DSP overhead access
• Serial rates described in the module include 3.125 Gbps SGMII / 2500BASE-X and up to 5 Gbps USGMII-related operation.
Environmental Specifications
• Operating case temperature: 0°C to +70°C
• Storage temperature: -40°C to +85°C
• Operating relative humidity: 5% to 85%, non-condensing
• Short-term operating humidity: 5% to 95%, non-condensing
• Short-term humidity condition: less than 96 hours
• ESD sensitivity: High-speed pins: 1000 V HBM, Other pins: 2000 V HBM.
Mechanical Specifications
• Form factor: CFP2-DCO
• Maximum dimensions: Length: 107.5 mm, Width: 41.5 mm, Height: 12.4 mm
• Electrical connector: 104-pin CFP2-MSA
• Hot-pluggable design.
Reliability and Compliance
• Class 1 laser product
• IEC / EN 60825 compliant
• FDA CDRH laser safety compliant
• GR-78 ESD requirements
• GR-1089-CORE Class B electromagnetic radiation requirements
• RoHS compliant according to the referenced directive
• ESD HBM: 1 kV on high-speed pins, 2 kV on other pins.
Product Summary
• Form Factor: CFP2-DCO
• Maximum Capacity: 800G / up to 850 Gbps operation
• 400G Modulation: PM-QPSK / 16QAM-PS
• 800G Modulation: PM-16QAM-PS
• FEC: SD-FEC
• Grid: 100 GHz / 150 GHz depending on mode
• Fiber: Single-mode coherent DWDM
• Typical Power Consumption: 38–40 W
• Operating Temperature: 0°C to +70°C
• Primary Applications: OTN, DCI, regional and long-haul coherent transmission