Ascent’s QSFP-DD-ZR-120 module is intended to be used in conjunction with a host platform to support 400G transmission over optical links in DCI applications. The module can be portioned into four parts: oDSP, optical component IC-TROSA, Controller and Power supply.
• Supports 400G PM-16QAM Modulation
• Full C-band wavelength tunable
• Supports 100G/75 GHz channel spacing for 400G PM-16QAM
• Reach beyond 80 km to 120 km for 400G over SMF without inline chromatic dispersion compensation
• Supports C-FEC
• Hardware Specification Compliant to QSFP-DD-Hardware-rev5p0
• Management Interface Compliant to QSFP-DD-CMIS-rev4p0 and oxf2019.015.05-CMIS
• Supports 400GE, compliant with 400GAUI-8 interface, the high-speed lane supports 8x50G configurations
• QSFP-DD class 8 (Maximum power consumption 16.5W)
• Operating case temperature: 0°C to 70°C
• LC connector
List of Acronyms
DWDM Dense Wavelength Division Multiplexing
QSFP-DD QSFP Double Density 8x Pluggable Transceiver
PM-16QAM Polarization Multiplexing – 16 state Quadrature Amplitude Modulation
PM-QPSK Polarization Multiplexing– Quadrature Phase Shift Keying
SD-FEC Soft Decision Forward Error Correction
C-FEC Concatenated FEC (Staircase FEC + Hamming)
ODSP Optical Digital Signal Processing
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