QSFP DD Loopback 200G/400G



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Features & Benefits
  • Backwards plug capability to 100G; seamless transition to future higher aggregate bandwidth
  • Addresses current and future market desired bandwidth port capability requirements
  • Adaptable design that provides the user adjustable dynamic control of different power levels per QSFP DD MSA power class definition
  • Modules are field upgradable enabling customized programs to customer specific requirements
  • Available with passive or active (repeater) high speed data path configurations
  • Enables electrical system debug and validation testing
  • Available with and without thermal loading
  • Inexpensive testing of host hardware ports
  • 2 LED system indicators - thermal loopbacks
  • Visual indication of module power settings and interrupt flags
  • On-board diagnostic monitoring - thermal loopbacks
  • On-board voltage and temperature monitoring
  • Signal conditioning of QSFP DD control lines - for both passive and active modules
  • Control line compliance with MSA - Passive models follow the DAC requirements; Thermal follow optical requirements
  • EEPROM per QSFP DD MSA; customization is available
  • Enables system communication over I2C bus
  • Enables 25Gb/s NRZ and 50Gb/s PAM4 per channel transmission
  • 200G / 400G aggregate bandwidth capacity
  • Compatible with both existing 100G QSFP based connector ports (with heat sinks and/or light pipes) as well as the 200G / 400G ports
  • Assured cable plugability regardless of port bandwidth configuration
  • Custom solutions supported
  • Custom solutions from adapter cables to loopback cables and beyond
  • Part of Amphenol's overall QSFP DD based product offerings
  • Comprehensive QSFP DD I/O system that includes cabling and connector solutions for copper or optical based solutions
  • RoHS compliant
  • Environmentally friendly
Target Market / Application
  • Switches
  • Routers
  • Low latency communications systems
  • Network interface card (NICs)
  • Servers
  • Networked storage systems
  • High Performance Computing (HPC) applications
  • Data Center networking
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200/400Gb QSFP DD Loopback Assembly

QSFP DD Loopback Assembly, Passive

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