• I2C master driven from either on-board microcontroller or external pin headers
  • Current sensor
  • Voltage sensor
  • Two temperature sensors
  • Matched differential trace length across all channels
  • High performance signal integrity traces from
  • TR40 connectors to QSFP-DD/OSFP host connector
  • On-board LEDs display MSA output alarm states
  • On-board jumpers for MSA input control signals
  • User friendly GUI for I2C R/W commands and loading custom MSA memory maps
  • Four corner testing capability
  • USB interface
  • QSFP-DD/OSFP analyser interface for ML4066-ANA I2C CMIS testing
  • No components near QSFP-DD/OSFP cage makes thermal testing easy to achieve

ML4062-TR (QSFP-DD) and ML4064-TR (OSFP) are fully featured, low-cost module compliance boards (MCB), designed to be used in manufacturing. They are used in combination with a replaceable multi- channel cable (Ardent 16 channel 16×2 cable). This design was chosen to enable a lower cost, consumable MCB for testing in significant volumes.

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