Features

The 100 Gb transceiver complies with the SFF-8665 specification, and the 25 Gb transceivers with the SFF-8402 specification. Both have the following functional and Digital Diagnostic Monitoring (DDM) features:

• Physical layer link optimization:

  • Tx input equalization programmable in 11 levels from 0 to 10 dB

  • Rx output amplitude programmable in 2 levels up to 400 mVpp

  • Rx output pre-emphasis programmable in 8 levels from 0 to 7 dB

  • Selectable Tx/Rx CDR control

• Digital Diagnostic Monitoring (DDM) – Data Readout and Warning/Alarm Indication:

  • Rx receive optical power monitor

  • Tx transmit optical power monitor

  • Tx bias current monitor

  • Supply voltage monitor

  • Transceiver case temperature monitor

• Other SFF-8636 functions and interrupt indications:

  • Tx & Rx LOS indication

  • Tx & Rx LOL indication

  • Tx fault indication

  • Selectable Tx Squelch per lane

  • Selectable Tx & Rx disable per lane

The DDM functions comply with the SFF-8636 specifications for the 100 Gb end, and with the SFF-8472 specifications for the 25 Gb end.