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AR# 15168

LogiCORE Gigabit Ethernet MAC - 1000BASE-X and 1000BASE-T media support

Description

General Description:

What is the media support for 1000BASE-X and 1000BASE-T in the Gigabit Ethernet MAC?

Solution

The GMII configuration of the Xilinx Gigabit Ethernet MAC (GMAC) can be connected to any PHY (1000BASE-T or 1000BASE-X) that has a GMII interface for 1 Gbps speeds.

The "MII" in XGMII and GMII stands for "Media Independent Interface", which means that it is independent of any PHY (copper cable, optical fiber, etc.) standard.

The 1000BASE-X PCS/PMA configuration of the GMAC is only compatible with 1000BASE-X media. The Virtex-II Pro device I/O can be connected to fiber through an additional optical module/transponder which must be provided by the customer.

AR# 15168
Date Created 09/03/2007
Last Updated 12/15/2012
Status Active
Type General Article