Physical Medium Dependent - 16.2 English

1G/2.5G Ethernet PCS/PMA or SGMII LogiCORE IP Product Guide (PG047)

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16.2 English

The Physical Medium Dependent (PMD) sublayer is defined in IEEE 802.3-2008 clause 38 for 1000BASE-LX and 1000BASE-SX (long and short wavelength laser). This type of PMD is provided by the external GBIC or SFP optical transceivers. An alternative PMD for 1000BASE-CX (short-haul copper) is defined in IEEE 802.3-2008 clause 39.

  • 2500BASE-X PMD operation is similar to 1000BASE-X operation as defined in IEEE 802.3-2008