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  3. AR# 46709: LogiCORE IP Ethernet 1000BASE-X PCS/PMA or SGMII - Polarity change needed if using SFP on Kintex-7 KC705 board

AR# 46709

LogiCORE IP Ethernet 1000BASE-X PCS/PMA or SGMII - Polarity change needed if using SFP on Kintex-7 KC705 board

Description

If using the 1000BASE-X PCS/PMA or SGMII 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/transceiver/gtwizard_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# 46709
Date 12/15/2012
Status Active
Type General Article
IP
  • Ethernet 1000BASE-X PCS/PMA or SGMII

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