Stratix V Device Handbook: Volume 2: Transceivers

ID 683779
Date 11/23/2021
Public
Document Table of Contents

4.8.3.2. Receiver and Transmit Gearbox in Native PHY IP

The Native PHY IP supports many 10G PCS:PMA gearbox ratios.

Users have the freedom to choose the best gearbox ratio that matches their core IP. The 67:40 is mainly used for Interlaken configurations and the 66:40 ratio is mainly used in 10, 40, and 100 Gigabit Ethernet configurations and the 50:40 is used in 10 Gigabit SDI applications. The other ratios can support additional standard communication and transport protocols such as GPON, EPON, SFI-5.2 and OTN.

10G PCS Supported Gearbox Ratios:

  • 64:64 PCS:PMA Width
  • 67:40 PCS:PMA Width
  • 66:40 PCS:PMA Width
  • 50:40 PCS:PMA Width
  • 40:40 PCS:PMA Width
  • 64:32 PCS:PMA Width
  • 32:32 PCS:PMA Width

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