Products Pluggable Transceiver Modules 400G/200G DCO

400G/200G DCO Coherent Modules

Digital Coherent Optics (DCO) modules for metro, regional, and long-haul applications. Available in QSFP-DD and CFP2 form factors with 400ZR, Open ZR+ compliance and tunable DWDM capabilities.

Key Features

  • 400ZR / Open ZR+ compliant (QSFP-DD)
  • CFP2 DCO for 400G/200G tunable DWDM
  • Up to 2000km reach (with amplification)
  • Low power dissipation: <12W (QSFP-DD), <24W (CFP2)
  • Tunable C‑band (CFP2)
  • Integrated digital diagnostic monitoring
  • CMIS / MDIO compliant
  • Open APIs for management

Technical Specifications

Part Number Form Factor Data Rate Channel Frequency Channel Spacing Reach (max) Application
GWDJ120-DCO QSFP-DD 400G 191.3-196.1THz tunable 100GHz & 75GHz 80km ~ 120km 400ZR (single span)
GWDJ600-DCO QSFP-DD 400G/300G/200G/100G 191.3-196.1THz tunable Flexible > 600km Open ZR+ (amplified)
GWC2J500-DCO CFP2 400G/200G C‑band tunable 75GHz 500km @400G
2000km @200G
Long‑haul DWDM
GWC2H1000-DCO CFP2 200G/100G C‑band tunable 50GHz 1000km @200G
2000km @100G
Regional / metro

Compatibility & Compliance

  • QSFP-DD: OIF 400ZR, OpenZR+ MSA
  • CFP2: CFP MSA, coherent DWDM ready
  • Interoperable with Cisco, Juniper, Ciena, Huawei
  • CMIS 4.0/5.0, MDIO
  • RoHS, CE, UL certified

Need engineering support?

Contact our team for coherent module selection, evaluation samples, and system integration guidance.