The LineSpeed Flex MSH320 100G Gearbox with RS-FEC translates 10G interfaces to 25G interfaces, multiplexing 100G traffic at 10x10G or 10×11.18G to 4x25G or 4×27.95G. The device also supports the IEEE 802.3bj Clause 91 RS-FEC for 4x25G NRZ 100GE interfaces. When configured as a repeater, the device will support up to 10 independent 10G interfaces for Ethernet or OTN. With the 100G 802.3bj RS-FEC encode, decode and correction functions enabled, the device will encode data in one direction and decode and correct data (if needed) in the other direction. The IEEE 802.3bj RS-FEC enables additional signal integrity and/or distance capability over copper or optical interconnects and has been specified in multiple standards and MSAs including SR4, CWDM4 and PSM4.

The MSH320 supports the IEEE802.3ba gearbox function. The electrical interfaces support IEEE and OIF-CEI- 3.0 10G and 25/28G specifications.

Application Example

Key Features

  • IEEE 802.3ba Gearbox for Ethernet & OTN
  • IEEE and OIF 10, 40 and 100G electrical standards
  • Supports 802.3bj, Clause 91 RS-FEC Option
    • Specified in CR4, KR4, SR4, CWDM4, PSM4
  • Supports 10x10G independent retimers
  • Self adapting equalizer - eye opening capability
  • Transmitter and TX pre-emphasis
  • Per lane PRBS generator and bit error rate checker
  • Monitor, Alarm and reference clock support

Product Brief

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