QSFP28 100GE PAM4 DWDM 100GHz LC
A QSFP28 form-factor DWDM transceiver for 100Gbps Ethernet applications.
Product information
The SO-QSFP28-Dxx-A is a QSFP28 form-factor DWDM transceiver for 100Gbps Ethernet applications. It is intended for use in interconnect applications between data centers between switches, routers, storage equipment etc.
The transceiver is provided in 40 channel versions at the 100GHz DWDM grid as specified in the ITU-T 694.1 standard. The line signal is PAM4-modulated which means that the transmission links will need optical amplifiers and dispersion compensation. The receiver optical specification is consequently only specifying optimum input receiver power range and damage threshold.
The module includes FEC coding Forward Error Correction (KP4 FEC) to ensure reliable system operation. The host system shall thus not have FEC activated. The optical parameters will provide a bit error ratio (BER) of 2.4 x 10-4. FEC will render in the required BER of better than 1 x 10-12.
Digital diagnostics functions are available via the I2C interface as specified by the QSFP MSA specification SFF 8636. The electrical signals are transmitted and received from the host via a standard 38 pin connector described in the QSFP28 MSA (SFF-8679). The electrical interface is compliant to CAUI-4 (IEEE P802.3bm Annex 83E), splitting the 100Gbps signal in to four parallel 25Gbps NRZ streams.
Specification
- QSFP28 transceiver with LC connectors
- 40 single-lambda, PAM4 modulated DWDM channel versions @ 100GHz grid; 192.10 – 196.00 THz
- Up to 80km distance using a DWDM line system with amplification and dispersion management
- Less than 5.5W power consumption
- C-temp operating conditions (0°C to +70°C)
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