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AR# 46710

10G Ethernet PCS/PMA (10G BASE-R) - Polarity change needed when using SFP on Kintex-7 KC705 board

Description

If using the 10G BASE-R core to connect to the SFP on the Kintex-7 KC705 board, the polarity on the GTX might need to be changed.For more details and to see what revisions of the board are affected, see (Xilinx Answer 46614).

Solution

To swap the polarity:

  1. Go to "example_design/gtx/gtwizard_10gbaser_gt.v/vhd".
  2. Change the RXPOLARITY and TXPOLARITY inputs from '0' to '1'.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
45934 Kintex-7 FPGA KC705 Evaluation Kit - Known Issues and Release Notes Master Answer Record N/A N/A

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
45934 Kintex-7 FPGA KC705 Evaluation Kit - Known Issues and Release Notes Master Answer Record N/A N/A
AR# 46710
Date Created 03/16/2012
Last Updated 01/22/2013
Status Active
Type General Article
IP
  • Ethernet 1000BASE-X PCS/PMA or SGMII